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    1417 results match your criteria Brazilian oral research[Journal]

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    Income trajectories affect treatment of dental caries from childhood to young adulthood: a birth cohort study.
    Braz Oral Res 2018 7;32:e36. Epub 2018 May 7.
    Australian Research Centre for Population Oral Health, Adelaide Dental School, The University of Adelaide, Adelaide, Australia.
    We aimed to analyze the effects of family income trajectories on the increase in dental caries from childhood to young adulthood. Data from the 1993 Pelotas (Brazil) birth cohort study, in which dental caries was measured at ages 6, 12, and 18 years, were analyzed. Family income of 302 participants was assessed at birth, and at 4, 11, 15, and 18 years of age. Read More

    Can low-fusing glass application affect the marginal misfit and bond strength of Y-TZP crowns?
    Braz Oral Res 2018 7;32:e34. Epub 2018 May 7.
    Department of Restorative Dentistry, Universidade Federal de Juiz de Fora - UFJF, Juiz de Fora, MG, Brazil.
    To evaluate the effect of different surface treatments on the marginal misfit and retentive strength between Y-TZP crowns and an epoxy resin. Forty (40) epoxy resin (G10) abutments (height: 5mm, conicity: 60, finish line: large chamfer) with equal dimensions were milled and included in polyurethane to simulate the periodontal ligament. Next, 40 Y-TZP crowns (thickness: 1mm) were milled (Cerec in Lab) and randomly divided into four groups (n=10) according to the surface treatment: GS(glaze spray), GP(glaze powder/liquid), P(zirconia primer) and RS(tribochemical silica coating). Read More

    Duration of effectiveness of Botulinum toxin type A in excessive gingival display: a systematic review and meta-analysis.
    Braz Oral Res 2018 7;32:e30. Epub 2018 May 7.
    Department of Orthodontics, Universidade Federal Fluminense - UFF, Niterói, RJ, Brazil.
    Botulinum toxin type A is effective in reducing excessive gingival display caused by hyperfunctional upper lip elevator muscles; however, this effect is transient. This study aimed to determine the duration of the effectiveness of botulinum toxin type A on a gummy smile. A systematic search was conducted using Medline (PubMed), Scopus, and Web of Science electronic databases, from 1970 to March 2017 with no language restriction; the search included studies evaluating adult patients with excessive gingival display who were treated with botulinum toxin and were followed-up for at least 3 months. Read More

    Comparing osteogenic effects between concentrated growth factors and the acellular dermal matrix.
    Braz Oral Res 2018 3;32:e29. Epub 2018 May 3.
    Department of Oral and Maxillofacial Surgery, Stomalogical Hospital, Guangzhou Medical University, Guangzhou, China.
    Concentrated growth factor (CGF) is an autogenuous product that contains highly concentrated number of platelets and can be derived from venous blood by selective centrifugation. It has been speculated that local growth factors in human platelets (insulinlike growth factor, IGF; transforming growth factor, TGF-b; platelet derived growth factor, PDGF) would enhance healing of grafts and also counteract resorption. The osteogensis effect of CGF and acellular dermal matrix (ADM) for alveolar cleft defects was evaluated in this study. Read More

    A systematic review and meta-analysis of the survival rate of implants placed in previously failed sites.
    Braz Oral Res 2018 3;32:e27. Epub 2018 May 3.
    Department of Stomatology, School of Dentistry, Universidade de São Paulo - USP, São Paulo, Brazil.
    The aim of this study was to conduct a systematic review and meta-analysis to assess the clinical outcomes of dental implants placed in previously early and late implant failed sites. An electronic literature search was conducted in several databases for articles published up to February 2018. Human clinical trials that received at least one implant in a previously failed site were included. Read More

    Medication-related osteonecrosis of the jaw, osteoradionecrosis, and osteomyelitis: A comparative histopathological study.
    Braz Oral Res 2018 3;32:e23. Epub 2018 May 3.
    Department of Oral Surgery, Universidade do Sagrado Coração, Bauru, SP, Brazil.
    It is largely known that some oral diseases can be diagnosed based upon their clinical manifestation combined with the patient's medical history and generally not depending on examination. This is the case of some bone diseases such as osteoradionecrosis of the jaw (ORNJ), osteomyelitis of the jaw (OMJ), and medication-related osteonecrosis of the jaw (MRONJ). The present study aimed to analyze the histopathological features of these specific bone diseases in order to evaluate similarities and differences. Read More

    Cross-cultural adaptation of the Brazilian version of the Dentine Hypersensitivity Experience Questionnaire (DHEQ-15).
    Braz Oral Res 2018 3;32:e37. Epub 2018 May 3.
    School of Dentistry, Universidade Federal de Minas Gerais - UFMG, Belo Horizonte, MG, Brazil.
    The dentine hypersensitivity (DH) is able to impair the oral health related quality of life (OHRQoL). However, there isn't any specific validated questionnaire to be used in Brazil. The objective was to adapt and to validate the English version of the Dentine Hypersensitivity Experience Questionnaire (DHEQ-15) for use in Brazil. Read More

    Effect of grinding and aging on subcritical crack growth of a Y-TZP ceramic.
    Braz Oral Res 2018 3;32:e32. Epub 2018 May 3.
    Post Graduation Program in Dental Science, Prosthetic Dentistry Unit, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
    This study aimed to investigate slow crack growth (SCG) behavior of a zirconia ceramic after grinding and simulated aging with low-temperature degradation (LTD). Complementary analysis of hardness, surface topography, crystalline phase transformation, and roughness were also measured. Disc-shaped specimens (15 mm Ø × 1. Read More

    A multicenter study of oral health behavior among adult subjects from three South American cities.
    Braz Oral Res 2018 3;32:e22. Epub 2018 May 3.
    Department of Periodontics, School of Dentistry, Universidad Maimonides, Buenos Aires, Argentina.
    The aims of this study were to describe the self-reported oral hygiene habits, dental visit frequency, and gingival bleeding perception in adult populations from three South American cities, and also to assess the association of these variables with sociodemographic data and with the clinical presence of plaque and gingival inflammation. Five-hundred and fifty adult subjects from each city (Porto Alegre, Brazil; Tucumán, Argentina; Santiago, Chile) received full mouth examinations to determine visible plaque and gingival index. A structured questionnaire on demographics, habits, attitudes and knowledge of oral health was also administered. Read More

    Influence of ethanol on dentin roughness, surface free energy, and interaction between AH Plus and root dentin.
    Braz Oral Res 2018 3;32:e33. Epub 2018 May 3.
    Department of Restorative Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - Unicamp, Piracicaba, SP, Brazil.
    This study aimed to evaluate the influence of different ethanol concentrations on dentin roughness, surface free energy, and contact angle between AH Plus and the root canal dentin. One hundred human maxillary anterior teeth were split longitudinally and 200 dentin specimens were polished to make the surface flatter and smoother. An acrylic bar was positioned between two dentin specimens and impression material was added to create a block, simulating an instrumented root canal space. Read More

    Is the fluoride intake by diet and toothpaste in children living in tropical semi-arid city safe?
    Braz Oral Res 2018 5;32:e26. Epub 2018 Apr 5.
    Department of Pathology and Dental Clinics, Universidade Federal do Piauí - UFPI, Teresina, PI, Brazil.
    Data about total fluoride intake in children living in a tropical semi-arid climate city is scarce, thus we conducted this study. Fifty-eight children aged two to five years, living in a Brazilian tropical city with optimally fluoridated water were selected. Dietary samples were collected using the duplicate diet method on two non-consecutive days in the children's home toothpaste was determined by subtracting the amount of fluoride recovered after brushing from the amount placed on the toothbrush. Read More

    Bond strength between a polymer-infiltrated ceramic network and a composite for repair: effect of several ceramic surface treatments.
    Braz Oral Res 2018 5;32:e28. Epub 2018 Apr 5.
    Faculty of Odontology, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS, Brazil.
    The effects of several ceramic surface treatments on bond strength of a polymer-infiltrated ceramic network and resin composite as repair material were evaluated. CAD-CAM blocks of a polymer-infiltrated ceramic network (Vita Enamic) were sliced and subjected to aging process, followed by embedding in acrylic resin. The bonding/repair area was treated as follows (n = 30): C- without treatment; UA- universal adhesive application; FM- 10% hydrofluoric acid and silane application; OM-airborne-particle abrasion with aluminum oxide and silane application; RP- tribochemical silica coating; and CA- surface grinding and application of universal adhesive. Read More

    Risk factors and comorbidities in Brazilian patients with orofacial clefts.
    Braz Oral Res 2018 5;32:e24. Epub 2018 Apr 5.
    Department of Clinical and Toxicological Analyses, Universidade Federal do Rio Grande do Norte - UFRN, Natal, RN, Brazil.
    Considering that environmental risk factors substantially contribute to the etiology of orofacial clefts and that knowledge about the characteristics and comorbidities associated with oral clefts is fundamental to promoting better quality of life, this study aimed to describe the risk factors, main characteristics, and comorbidities of a group of patients with cleft lip and/or cleft palate (CL/P) from Rio Grande do Norte (RN), Brazil. Data were obtained from 173 patients with CL/P using a form from the Brazilian database on Orofacial Clefts. Most patients were male with cleft lip and palate and had a normal size and weight at birth; presented few neonatal intercurrent events; and had anemia and respiratory and cardiovascular diseases as main associated comorbidities. Read More

    Horizontal Bone Reconstruction on sites with different amounts of native bone: a retrospective study.
    Braz Oral Res 2018 5;32:e21. Epub 2018 Apr 5.
    University of California, Los Angeles, CA, USA.
    The lack of guidelines for bone augmentation procedures might compromise decision making in implantology. The objective of this study was to perform a retrospective study to verify the outcomes of horizontal bone reconstruction in implant dentistry with different types of materials and amounts of native bone in the recipient bed to allow for a new guideline for horizontal bone reconstruction. One hundred preoperative CT scans were retrospectively evaluated and categorized in accordance to horizontal bone defects as presence (Group P) or absence (Group A) of cancellous bone in the recipient bed. Read More

    In vitro effects of alcohol-containing mouthwashes on human enamel and restorative materials.
    Braz Oral Res 2018 Mar 15;32:e25. Epub 2018 Mar 15.
    Johnson & Johnson Consumer Companies, São Paulo, SP, Brazil.
    The objective of this study was to evaluate the in vitro effects, including surface morphological characteristics and chemical elemental properties, of different mouthwash formulations on enamel and dental restorative materials, simulating up to 6 months of daily use. Human enamel samples, hydroxyapatite, composite resin, and ceramic surfaces were exposed to 3 different mouthwashes according to label directions - Listerine® Cool Mint®, Listerine® Total Care, and Listerine® Whitening - versus control (hydroalcohol solution) to simulate daily use for up to 6 months. The samples were analyzed using scanning electron microscopy (SEM), infrared spectrophotometry (µ-Fourier transform infrared microscopy), energy-dispersive X-ray (EDX) spectroscopy, and color analysis before and after exposure. Read More

    A multicenter study of biopsied oral and maxillofacial lesions in a Brazilian pediatric population.
    Braz Oral Res 2018 Mar 15;32:e20. Epub 2018 Mar 15.
    Universidade de Pernambuco - UPE, School of Dentistry, Department of Oral and Maxillofacial Pathology, Camaragibe, PE, Brazil.
    The aim of this study was to investigate the prevalence of oral and maxillofacial lesions among children from representative regions of Brazil. A retrospective descriptive study was conducted. Biopsy records comprising the period from 2000 to 2015 were obtained from the archives of three Brazilian oral pathology referral centers. Read More

    Can intra-radicular cleaning protocols increase the retention of fiberglass posts? A systematic review.
    Braz Oral Res 2018 Mar 15;32:e16. Epub 2018 Mar 15.
    Universidade Federal de Uberlândia - UFU, School of Dentistry, Department of Endodontics, Uberlândia, MG, Brazil.
    The presence of residues within the root canal after post-space preparation can influence the bond strength between resin cement and root dentin when using fiberglass posts (FGPs). Currently, there is no consensus in the literature regarding what is the best solution for the removal of debris after post-space preparation. This systematic review involved "in vitro" studies to investigate if cleaning methods of the root canal after post-space preparation can increase the retention of FGPs evaluated by the push-out test. Read More

    Epidemiological analysis and need for endodontic treatment among the indigenous Sateré-Mawé and Tikuna.
    Braz Oral Res 2018 Mar 8;32:e19. Epub 2018 Mar 8.
    Universidade Federal de Minas Gerais - UFM), School of Dentistry, Department of Restorative Dentistry, Belo Horizonte, MG, Brazil.
    The objective of this study was to analyze the epidemiological profile of oral health of Sateré-Mawé indigenous people living in Barreirinha, Amazonas (AM), Brazil, and the Tikuna indigenous people living in the urban area of Manaus (AM), in addition to characterizing the need for endodontic treatment between the two ethnic groups. A total of 138 individuals participated in the study, of whom 98 were Tikuna and 40 were Sateré-Mawé; they were distributed in age groups ranging from seven to 75 years. A very high prevalence of caries was observed in both ethnic groups. Read More

    Push-out bond strength of different tricalcium silicate-based filling materials to root dentin.
    Braz Oral Res 2018 Mar 8;32:e18. Epub 2018 Mar 8.
    Universidade de São Paulo - USP, School of Dentistry of Ribeirão Preto, Department of Restorative Dentistry, Ribeirão Preto, SP, Brazil.
    The aim of this study was to evaluate the bond strength of different triccalcium silicate cements to retrograde cavity using a push out test. Thirty maxillary central incisors were shaped using #80 hand files and sectioned transversally. Root slices were obtained from the apical 4 mm after eliminating the apical extremity. Read More

    A comparative study of bulk-fill composites: degree of conversion, post-gel shrinkage and cytotoxicity.
    Braz Oral Res 2018 Mar 8;32:e17. Epub 2018 Mar 8.
    Universidade de Santo Amaro - Unisa, School of Dentistry. São Paulo, SP, Brazil.
    Bulk-fill composites are claimed to be restorative materials used in deep preparations and effectively photoactivated in layers up to 4 mm. The aim of the present study was to evaluate the degree of conversion, post-gel volumetric shrinkage, and cytotoxicity of six bulk-fill and two conventional composites. Degree of conversion was determined by FTIR spectroscopy; post-gel volumetric shrinkage was determined using the strain gauge method; and cytotoxicity in human fibroblasts was evaluated indirectly by the MTT assay. Read More

    Cross-cultural adaptation and validation of the Impact of Fixed Appliances Measure questionnaire in Brazil.
    Braz Oral Res 2018 Mar 8;32:e14. Epub 2018 Mar 8.
    Universidade Federal de Minas Gerais - UFMG, Faculty of Dentistry, Department of Pediatric Dentistry and Orthodontics, Belo Horizonte, MG, Brazil.
    The aim of this study was to translate and cross-culturally adapt the condition-specific instrument Impact of Fixed Appliances Measure (IFAM), assessing its validity and reliability for use among Brazilian children/adolescents. The IFAM was translated, back-translated, cross-culturally adapted, and pilot-tested. The Brazilian version of the IFAM (B-IFAM) was tested on 161 10-to-18-year-old children/adolescents. Read More

    Desire for tooth bleaching and treatment performed in Brazilian adults: findings from a birth cohort.
    Braz Oral Res 2018 Mar 8;32:e12. Epub 2018 Mar 8.
    Universidade Federal de Pelotas - UFPEL, Graduate Program in Dentistry, Pelotas, RS, Brazil.
    Population-based studies estimating the prevalence of tooth bleaching desire or the percentage of individuals who had performed this treatment are rare. Thus, the aim of this study was to evaluate the desire to perform tooth bleaching and the prevalence of adult individuals who had performed the treatment and investigate the association of these outcomes. A subsample (n = 536) of the 1982 Pelotas birth cohort in southern Brazil was investigated at the ages 15, 24 and 31 by clinical examinations and interviews. Read More

    Interleukin-6 and interleukin-10 gene polymorphisms and the risk of further periodontal disease progression.
    Braz Oral Res 2018 Mar 8;32:e11. Epub 2018 Mar 8.
    Aristotle University of Thessaloniki, Faculty of Sciences, Department of Genetics, Development and Molecular Biology, Thessaloniki, Greece.
    Susceptible genotypes to periodontal disease are associated with disease onset and progression. The aim of this study was to examine the effect of gene polymorphisms on the risk of further disease progression and the need for further treatment among adults with chronic periodontal disease. Sixty-seven patients diagnosed with chronic periodontitis were grouped according to genotype status and risk of further progression of disease and tooth loss. Read More

    Evaluation of long-term bond strength and selected properties of self-adhesive resin cements.
    Braz Oral Res 2018 Mar 1;32:e15. Epub 2018 Mar 1.
    Universidade Federal de Pelotas - UFPel, Materials Engineering School, Department of Organic Chemistry, Pelotas, SC, Brasil.
    This study evaluated the shear bond strength (SBS) of self-adhesive resin cements (SARCs) to dentin and their physical-chemical properties. Five commercial SARCs were evaluated [SmartCem®2 - DENTSPLY (SC2); BisCem® - Bisco (BC); SeT PP® - SDI (SeT); Relyx U100® - 3M ESPE (U100) and YCEM® SA - Yller (YCEM)]. The SARCs were evaluated for SBS to dentin (n = 10) after 24 h, 6 months, and 12 months. Read More

    Bond strength values of fiberglass post to flared root canals reinforced with different materials.
    Braz Oral Res 2018 Mar 1;32:e13. Epub 2018 Mar 1.
    Universidade Estadual de Ponta Grossa - UEPG, School of Dentistry, Department of Restorative Dentistry, Ponta Grossa, PR, Brazil.
    The aim of this study was to compare in vitro the bond strength (BS) between fiberglass posts and flared root canals reinforced with different materials. The roots of 48 premolars were endodontically treated. After one week, the root canals were prepared to simulate an oversized root canal, except for the positive control group (PCG), which was cemented with a prefabricated fiber post (PFP) compatible with the root canal size, simulating an ideal adaptation. Read More

    Is there a best conventional material for restoring posterior primary teeth? A network meta-analysis.
    Braz Oral Res 2018 Mar 1;32:e10. Epub 2018 Mar 1.
    Universidade Federal de Santa Maria - UFSM, School of Dentistry,, Santa Maria, RS, Brazil.
    This study aimed to compare the longevity of different conventional restorative materials placed in posterior primary teeth. This systematic review was conducted following the PRISMA statement and registered in PROSPERO (CRD42016035775). A comprehensive electronic search without date or language restrictions was performed in PubMed/MEDLINE, Cochrane Central Register of Controlled Trials, Scopus, Turning Research Into Practice (TRIP) and Clinical Trials databases up to January 2017, selecting randomized clinical trials that assessed the longevity of at least two different conventional restorative materials performed in primary molars. Read More

    Immediate tooth replantation: root canal filling for delayed initiation of endodontic treatment.
    Braz Oral Res 2018 Mar 1;32:e7. Epub 2018 Mar 1.
    Universidade Estadual Paulista - Unesp, School of Dentistry, Surgery and Integrated Clinics, Araçatuba, SP, Brazil.
    The aim of this study is to evaluate the action of paramonochlorophenol associated with Furacin followed by calcium hydroxide (CH) dressing in the control of inflammatory root resorption in cases of immediate tooth replantation with delayed endodontic treatment. A total of 28 incisors of 3 male dogs were extracted and replanted after 15 minutes, and randomly divided into 3 groups: Group I (n = 8) - endodontic treatment was performed before the extraction and replantation; Group II (n = 10) - endodontic treatment was performed 30 days after replantation and the root canal was filled with CH dressing; Group III (n = 10) - endodontic treatment was performed 30 days after replantation and root canals received temporary medication of paramonochlorophenol-Furacin followed by CH dressing. The animals were euthanized 90 days after replantation. Read More

    Impact of aggressive periodontitis and chronic periodontitis on oral health-related quality of life.
    Braz Oral Res 2018 8;32:e006. Epub 2018 Feb 8.
    Department of Periodontology, School of Dentistry, Universidade de São Paulo, São Paulo, SP, Brazil.
    The purpose of this cross-sectional study was to investigate the effect of different forms of periodontal diseases on Oral Health-Related Quality of Life (OHRQoL). Fifty-two patients with Aggressive Periodontitis (AP) or Chronic Periodontitis (CP) were included: nine patients with Localized Aggressive Periodontitis (LAP), thirty-three patients with Generalized Aggressive Periodontitis (GAP) and ten patients with Generalized Chronic Periodontitis (GCP). Oral Health Impact Profile questionnaires (OHIP-14) were distributed after a clinical examination that measured the following periodontal parameters: tooth loss, bleeding on probing (BoP), probing depth (PD), gingival recession (REC) and clinical attachment level (CAL). Read More

    Evaluation of the association of bruxism, psychosocial and sociodemographic factors in preschoolers.
    Braz Oral Res 2018 Feb 5;32:e009. Epub 2018 Feb 5.
    Universidade Estadual da Paraíba - UEPB, Dental School, Department of Dentistry, Campina Grande, PB, Brazil.
    The aim of the present study was to evaluate factors associated with sleep bruxism in five-year-old preschool children. A preschool-based cross-sectional study was conducted with 761 pairs of children and their parents/caregivers. Sleep bruxism was diagnosed using a questionnaire administered to the parents/caregivers, who also answered questionnaires addressing sociodemographic data and parent's/caregiver's sense of coherence. Read More

    Therapeutic effect of Aloe vera and silver nanoparticles on acid-induced oral ulcer in gamma-irradiated mice.
    Braz Oral Res 2018 Feb 5;32:e004. Epub 2018 Feb 5.
    National Centre for Radiation Research and Technology - NCRRT, Atomic Energy Authority, Health Radiation Research Department, Nasr City, Cairo, Egypt.
    Radiation combined injury, a life-threatening condition, has higher mortality than simple radiation injury. The aim of the present study was to analyze the efficiency of Aloe vera and silver nanoparticles in improving the healing of ulcerated oral mucosa after irradiation. Thirty male Albino mice were divided into five groups: control, radiation, Aloe vera (AV), silver nanoparticles (NS), and AV+NS. Read More

    Effect on adhesion of a nanocapsules-loaded adhesive system.
    Braz Oral Res 2018 Feb 1;32:e008. Epub 2018 Feb 1.
    Universidade Federal do Rio Grande do Sul - UFRGS, School of Dentistry, Dental Materials Laboratory, Porto Alegre, RS, Brazil.
    This study aimed to evaluate the in situ degree of conversion, contact angle, and immediate and long-term bond strengths of a commercial primer and an experimental adhesive containing indomethacin- and triclosan-loaded nanocapsules (NCs). The indomethacin- and triclosan-loaded NCs, which promote anti-inflammatory and antibacterial effects through controlled release, were incorporated into the primer at a concentration of 2% and in the adhesive at concentrations of 1, 2, 5, and 10%. The in situ degree of conversion (DC, n=3) was evaluated by micro-Raman spectroscopy. Read More

    Evaluation of adaptation of ceramic inlays using optical coherence tomography and replica technique.
    Braz Oral Res 2018 Feb 1;32:e005. Epub 2018 Feb 1.
    Ege University, Faculty of Dentistry, Department of Prosthodontics, Izmir, Turkey.
    Optical coherence tomography (OCT) has generally been used as a nondestructive technique to evaluate integrities of composite restorations. We investigated marginal and internal adaptations of ceramic inlay restorations with OCT and compared them to results with the silicone replica technique. Round-shaped class I cavities were prepared on 16 human maxillary first premolar teeth. Read More

    Culture of human dental pulp cells at variable times post-tooth extraction.
    Braz Oral Res 2018 Feb 1;32:e003. Epub 2018 Feb 1.
    Universidade de Brasília - UnB, Department of Dentistry, Brasília, DF, Brazil.
    The aim of this study was to investigate the viability of human dental pulp cells from extracted teeth kept at standard room temperature and atmospheric pressure for different periods of time. Twenty-one healthy permanent teeth were used. They were divided into five groups according to the expected time from extraction to processing. Read More

    Oral health related quality of life among pregnant women: a randomized controlled trial.
    Braz Oral Res 2018 22;32:e002. Epub 2018 Jan 22.
    Department of Periodontology, Faculty of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
    The aim of the present study was to compare negative impacts of oral conditions in Oral Heath Related Quality of Life (OHRQoL) assessed by the Oral Health Impact Profile-14 (OHIP-14) scores in pregnant women receiving or not comprehensive periodontal treatment. This randomized controlled clinical trial included pregnant women aged between 18 and 35 years old. Participants were randomized in a test group with 96 and a control group with 114 women. Read More

    The marginal fit of lithium disilicate crowns: Press vs. CAD/CAM.
    Braz Oral Res 2018 22;32:e001. Epub 2018 Jan 22.
    Institute of Dentistry and Oral Sciences, Palacky University, Olomouc, Czech Republic.
    This study aimed to compare the vertical marginal gap of teeth restored with lithium disilicate crowns fabricated using CAD/CAM or by pressed ceramic approach. Twenty mandibular third molar teeth were collected after surgical extractions and prepared to receive full veneer crowns. Teeth were optically scanned and lithium disilicate blocks were used to fabricate crowns using CAD/CAM technique. Read More

    Determinants of oral self-care in the Brazilian adult population: a national cross-sectional study.
    Braz Oral Res 2017 Dec 18;31:e115. Epub 2017 Dec 18.
    Universidade Estadual Paulista "Júlio de Mesquita Filho" - Unesp, Araçatuba School of Dentistry, Department of Pediatric and Social Dentistry, Araçatuba, SP, Brazil.
    This study aims to investigate variables related to adherence to oral self-care in the Brazilian adult population. It is an exploratory study, using secondary data from a population-based survey on a representative sample of the adult population of the entire Brazilian territory (n=60202). The sample was selected using a multiple stage approach. Read More

    Effectiveness of different final irrigation techniques and placement of endodontic sealer into dentinal tubules.
    Braz Oral Res 2017 Dec 18;31:e114. Epub 2017 Dec 18.
    Universidade Positivo, Department of Dentistry, Curitiba, PR, Brazil.
    The aim of this study was to compare two irrigation techniques and four devices for endodontic sealer placement into the dentinal tubules. Ninety-nine single-rooted human teeth were instrumented and allocated to either the control (CO) (n=11) or experimental groups according to the irrigation method: syringe and NaveTip needle (NT) (n=44), and EndoActivator (EA) (n=44). These groups were subdivided according to sealer placement into K-File (KF), lentulo spiral (LS), Easy Clean (EC), and EndoActivator (EA) subgroups. Read More

    Comparison of two methods of irrigant agitation in the removal of residual filling material in retreatment.
    Braz Oral Res 2017 Dec 18;31:e113. Epub 2017 Dec 18.
    Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Dentistry, Endodontics and Dental Materials, Bauru, SP, Brazil.
    The aim of this study was to compare the efficacy of passive ultrasonic irrigation and EasyClean for removing residual filling material in retreatment. Twenty-two maxillary lateral incisors with apical curvature were instrumented with ProTaper files and filled with Endofill using the lateral compactation technique. Removal of filling material was performed with Reciproc, Mtwo and ProDesign Logic 50/. Read More

    Effect of CRABP2 on the proliferation and odontoblastic differentiation of hDPSCs.
    Braz Oral Res 2017 Dec 18;31:e112. Epub 2017 Dec 18.
    Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Pediatric Dentistry, Shanghai, China.
    Cellular retinoic acid-binding protein 2 (CRABP2) has been detected in several organs during embryonic development. Recent studies have demonstrated that CRABP2 plays important roles in the retinoic acid, β-catenin and Notch signaling pathways, as well as in the interaction between epithelial and mesenchymal cells, which are important for human dental pulp stem cells (hDPSCs) and tooth development. In the present study, the expression of CRABP2 during mouse molar development and the role of CRABP2 in hDPSC odontoblastic differentiation were evaluated. Read More

    Correlation and comparative analysis of the CPQ8-10 and child-OIDP indexes for dental caries and malocclusion.
    Braz Oral Res 2017 Dec 18;31:e111. Epub 2017 Dec 18.
    Universidade Federal dos Vales do Jequitinhonha e Macury - UFVJM, School of Dentistry, Department of Pediatric Dentistry and Orthodontics, Diamantina, MG, Brazil.
    The aim of this study was to evaluate the correlation between the Child Perceptions Questionnaire 8 to 10 (CPQ8-10) and child-Oral Impact on Daily Performances (child-OIDP) indexes according to their total and item scores, as well as assess the discriminative validity of these assessment tools regarding dental caries and malocclusion among schoolchildren. A sample of 300 children aged between 8 and 10 years answered the questionnaires in two distinct steps. First, half of the sample (G1 = 150) answered the CPQ8-10 and the other half (G2 = 150) answered the child-OIDP. Read More

    Gingival crevicular fluid oxidative stress level in patients with periodontal disease and hyperlipidemia.
    Braz Oral Res 2017 Dec 18;31:e110. Epub 2017 Dec 18.
    Ondokuz Mayis University Faculty of Medicine, Department of Medical Biochemistry, Samsun, Turkey.
    This study aimed to assess the impact of hyperlipidemia on healthy and diseased periodontal tissue by evaluating oxidative stress biomarkers in gingival crevicular fluid (GCF). Clinical periodontal parameters and blood serum lipid, GCF malondialdehyde (MDA), protein carbonyl (PC), and total antioxidant capacity (TAOC) levels were evaluated in six age and sex-matched groups (n = 15 each) of normolipidemic and hyperlipidemic individuals as follows: normolipidemic + periodontally healthy (H), normolipidemic + gingivitis (G), normolipidemic + chronic periodontitis (CP), hyperlipidemic + periodontally healthy (HH), hyperlipidemic + gingivitis (HG), and hyperlipidemic + CP (HCP). GCF MDA, and PC levels varied among groups, with patients with periodontitis having the highest MDA and PC levels [CP > G > H (p < 0. Read More

    Microtensile bond strength of CAD/CAM materials to dentin under different adhesive strategies.
    Braz Oral Res 2017 Dec 18;31:e109. Epub 2017 Dec 18.
    Pontifícia Universidade Católica da Universidade Federal do Rio Grande do Sul - PUC-RS, School of Dentistry, Graduate Program, Porto Alegre, RS, Brazil.
    The present study aimed to evaluate the microtensile bond strength (μTBS) of novel computer-aided design/computer-aided manufacturing (CAD/CAM) restorative materials to dentin using different adhesive strategies. Thirty-two crowns were milled using CAD/CAM materials (Vita Mark II as control, Vita Suprinity, Vita Enamic and Lava Ultimate) and luted to dentin using different resin cements (RelyX ARC, RelyX Unicem 2 and RelyX Ultimate). The specimens were stored in 100% relative humidity at 37°C for 24 h and sectioned. Read More

    Culture-dependent approaches to explore the prevalence of root canal pathogens from endodontic infections.
    Braz Oral Res 2017 Dec 18;31:e108. Epub 2017 Dec 18.
    Tehran University of Medical Sciences, Department of Microbiology, School of Medicine, Tehran, Iran.
    Endodontic infections are considered to be caused by the presence of various microorganisms within the root canal system. Recognition of this microbiota contributes to the successful treatment of infected root canals. This study investigated the microorganisms associated with primary and secondary endodontic infections via culture methods, biochemical tests, and molecular approaches in an Iranian population. Read More

    The analgesic effect of photobiomodulation therapy (830 nm) on the masticatory muscles: a randomized, double-blind study.
    Braz Oral Res 2017 Dec 18;31:e107. Epub 2017 Dec 18.
    Universidade de São Paulo, School of Dentistry, Department of Stomatology, São Paulo, SP, Brazil.
    This study assesses the efficacy of photobiomodulation therapy (830 nm) for myalgia treatment of masticatory muscles. Sixty patients with muscular myalgia were selected and randomly allocated into 2 groups (n=30): Group A comprised patients given a placebo (control), and Group B consisted of those undergoing photobiomodulation therapy (PBMT). PBMT and placebo were applied bilaterally to specific points on the masseter and temporal muscles. Read More

    Analysis of CD57+ natural killer cells and CD8+ T lymphocytes in periapical granulomas and radicular cysts.
    Braz Oral Res 2017 Dec 18;31:e106. Epub 2017 Dec 18.
    Universidade Federal do Rio Grande do Norte - UFRN, Postgraduate Program in Oral Pathology, Natal, RN, Brazil.
    The aim of this study was to compare the number of CD57+ natural killer (NK) cells and CD8+ T lymphocytes between periapical granulomas (PGs) and radicular cysts (RCs). Twenty-fives cases of PGs and 25 of RCs were submitted to histological analysis and immunohistochemistry using anti-CD57 and anti-CD8 biomarkers. Positive cells were counted in 10 fields (400× magnification) and the median value was calculated for each case. Read More

    Health-related quality of life of patients with squamous cell carcinoma: a comparison according to tumor location.
    Braz Oral Res 2017 Dec 18;31:e105. Epub 2017 Dec 18.
    Instituto Federal do Paraná, Londrina, PR, Brazil.
    The aim of this study was to evaluate the health-related quality of life (QOL) of patients with squamous cell carcinoma (SCC) according to tumor location. The sample consisted of 27 patients with primary SCC in the oral cavity (n = 15), pharynx (n = 7), and larynx (n = 5) who were undergoing cancer treatment at the Cancer Hospital of Londrina, regardless of age, sex, clinical stage, and type of antineoplastic treatment. Health-related QOL was evaluated using the 30-item Cancer-Quality of Life Questionnaire (QLQ-C30), the 35-item Head and Neck Cancer-Quality of Life Questionnaire (QLQ-HN35), and the University of Washington Quality of Life Questionnaire (UW-QOL). Read More

    Biostimulatory effects of simvastatin on MDPC-23 odontoblast-like cells.
    Braz Oral Res 2017 Dec 18;31:e104. Epub 2017 Dec 18.
    Universidade Estadual Paulista "Júlio de Mesquita Filho" - Unesp, School of Dentistry, Department of Physiology and Pathology, São Paulo State University (Unesp), School of Dentistry, Araraquara, SP, Brazil.
    The aim of this study was to evaluate the bioactivity and cytocompatibility of simvastatin (SV) applied to MDPC-23 odontoblast-like cells. For this purpose, MDPC-23 cells were seeded in 96-well plates and submitted to treatments with 0.01 or 0. Read More

    Treg and Th17 cells in inflammatory periapical disease: a systematic review.
    Braz Oral Res 2017 Dec 18;31:e103. Epub 2017 Dec 18.
    Universidade Federal de Minas Gerais - UFMG, School of Dentistry, Department of Pediatric Dentistry and Orthodontics, Belo Horizonte, MG, Brazil.
    The process involved in periapical lesions, which occur as an outcome of pulpal necrosis, is regulated by the immune system including regulatory T cells (Treg) and T helper 17 cell (Th17) responses. The objective of this study was to conduct a frequency systematic review to determine the presence of Treg/Th17 responses and the influence of these cells in the progression of chronic inflammatory periapical lesions in humans. A systematic computerized search was carried out in Pubmed, Medline, Web of Science and Scopus electronic databases from their date of inception through the first week of May 2017. Read More

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