4,145 results match your criteria Tooth Discoloration

Fourteen years clinical evaluation of leucite-reinforced ceramic inlays luted using two different adhesion strategies.

J Dent 2022 Jun 24:104210. Epub 2022 Jun 24.

Dental Clinic 1 - Operative Dentistry and Periodontology, Friedrich-Alexander University Erlangen-Nuremberg, Glueckstrasse 11, 91054, Erlangen, Germany.

Objectives: Aim of the present prospective study was to clinically evaluate the long-term performance of two different luting-materials for leucite-reinforced glass-ceramic inlays/onlays after 14 years.

Methods: A total of 83 IPS-Empress-inlays/onlays were placed in 30 patients. Restorations were luted according to two different strategies: 43 restorations were fixed with a self-adhesive resin-cement (RelyXUnicem, RX), 40 restorations were inserted with VariolinkII-low (SV) after pretreatment with an etch-and-rinse multi-step adhesive. Read More

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Tooth root resorption: A review.

Sci Prog 2022 Jul-Sep;105(3):368504221109217

1259Periodontics and Oral Medicine Department at University of Michigan School of Dentistry, Ann Arbor, MI, USA.

Tooth root resorption is multifactorial, leading to progressive destruction and eventual loss of tooth root dentin and cement. There are internal and external types of root resorption, each having its variety. The etiology and pathogenesis of tooth root resorption are poorly understood, and the most significant etiological factors are trauma, pulpal infection, tooth bleaching, and orthodontic treatment. Read More

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Evaluation of Charcoal and Sea Salt-Lemon-based Whitening Toothpastes on Color Change and Surface Roughness of Stained Teeth.

J Contemp Dent Pract 2022 Feb 1;23(2):169-175. Epub 2022 Feb 1.

Conservative Dentistry Department, National Research Center, Giza, Egypt.

Aim: To compare the efficacy of two naturally based commercially available whitening toothpastes charcoal and sea salt-lemon on stain removal of teeth in terms of color change and surface roughness.

Materials And Methods: Twenty-seven intact bovine incisors were selected and randomly allocated into three main groups ( = 9) according to the tested toothpaste [I: Signal Complete 8 Charcoal; II: sea salt-lemon essence Closeup natural smile; and III: Signal Complete 8 Original (control)]. Following 4 successive days of staining protocol, each specimen in its corresponding group was brushed with the toothpaste using toothbrush simulator apparatus for three brushing cycles. Read More

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February 2022

Clinical effects of laser-based cavity preparation on class V resin-composite fillings.

PLoS One 2022 23;17(6):e0270312. Epub 2022 Jun 23.

Department of Conservative Dentistry and Periodontology, University Hospital, Jena, Germany.

The aim of the present clinically controlled two-year study was to investigate the influence of laser-based cavity preparation on the long-term performance of Class V resin-composite fillings. Class V non-carious lesions (n = 75) were randomly assigned to two test and one control group. Cavities in both test groups were prepared using an Er,Cr:YSGG laser (Waterlase MD, Biolase, Irvine, California, USA). Read More

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Evaluation of the efficacy of diode laser in bleaching of the tooth at different time intervals using spectrophotometer: An study.

J Conserv Dent 2022 Mar-Apr;25(2):166-172. Epub 2022 May 4.

Department of Media Technology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Aim: This study aimed at comparative evaluation of the efficacy of tooth bleaching using different concentrations of carbamide peroxide (CP) with and without diode laser at 980 nm for 2.5 and 5 min time duration.

Materials And Methods: Hundred intact human incisors were selected. Read More

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Patient-reported outcome measures for children and adolescents having dental bleaching in the UK.

Eur Arch Paediatr Dent 2022 Jun 17. Epub 2022 Jun 17.

Charles Clifford Dental Hospital, Sheffield, UK.

Purpose: Dental bleaching in paediatric patients can be used to address discolouration of teeth due to trauma, endodontic treatment, or enamel and dentine defects. Despite being a minimally invasive and successful treatment, the use of bleaching products in children and young people remains controversial. This evaluation was designed to provide insight into the child's perspective on dental bleaching and the influence that this treatment has upon their life. Read More

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Nanoparticles as Next-Generation Tooth-Whitening Agents: Progress and Perspectives.

ACS Nano 2022 Jun 15. Epub 2022 Jun 15.

School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea.

Whitening agents, such as hydrogen peroxide and carbamide peroxide, are currently used in clinical applications for dental esthetic and dental care. However, the free radicals generated by whitening agents cause pathological damage; therefore, their safety issues remain controversial. Furthermore, whitening agents are known to be unstable and short-lived. Read More

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Evaluation of the effect of pediatric drugs and an oral rinse on primary teeth discoloration.

Dent Med Probl 2022 Jun 15. Epub 2022 Jun 15.

Department of Pediatric Dentistry, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey.

Background: Changes in the color of the teeth are a common dental finding associated with clinical and esthetic problems. Especially, the discoloration of primary teeth can cause parental concern and have a negative effect on social interactions between preschool children.

Objectives: The aim of the study was to evaluate the effect of pediatric drugs and an oral rinse on the discoloration of primary teeth. Read More

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Fast Cross-Linked Hydrogel as a Green Light-Activated Photocatalyst for Localized Biofilm Disruption and Brush-Free Tooth Whitening.

ACS Appl Mater Interfaces 2022 Jun 15. Epub 2022 Jun 15.

National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, P. R. China.

Biofilm-driven caries and tooth discoloration are two major problems in oral health care. The current methods have the disadvantages of insufficient biofilm targeting and irreversible enamel damage. Herein, an injectable sodium alginate hydrogel membrane doped with bismuth oxychloride (BiOCl) and cubic cuprous oxide (CuO) nanoparticles was designed to simultaneously achieve local tooth whitening and biofilm removal through a photodynamic dental therapy process. Read More

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The minimum thickness of a multilayer ceramic restoration required for masking dark background.

Dent Res J (Isfahan) 2022 27;19:31. Epub 2022 Apr 27.

Department of Operative Dentistry, Kerman University of Medical Sciences, Kerman, Iran.

Background: Masking dark tooth structure or darkness of oral cavity with ceramic restorations is an important concern. The aim of this study was to determine the minimum thickness of a multilayer all-ceramic restoration (IPS-emax Press) required for a proper masking in these situations.

Materials And Methods: In this experimental study, 36 multilayer ceramic disks of IPS e. Read More

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Clinical Performance and Parental Satisfaction with Composite Strip Crown and Prefabricated Zirconia Crown for Primary Anterior Teeth: A Randomized Clinical Trial.

J Contemp Dent Pract 2021 Dec 1;22(12):1462-1470. Epub 2021 Dec 1.

Department of Paediatrics and Preventive Dentistry, Karnavati School of Dentistry, Karnavati University, Gandhinagar, Gujarat, India.

Aim: To compare clinical performance and parental satisfaction with composite strip crown and prefabricated zirconia crown for primary anterior teeth.

Materials And Methods: The study compares clinical evaluation and parental satisfaction of two different crowns for primary anterior teeth. A total of 102 teeth in each group selected between ages 3 and 6 years, who met the inclusion criteria, were randomly allocated into two groups for further evaluation. Read More

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December 2021

Constituents, properties and clinical applications of OrthoMTA & RetroMTA: A systematic review.

Indian J Dent Res 2021 Oct-Dec;32(4):514-523

Department of Pediatric and Preventive Dentistry, D Y Patil School of Dentistry, Navi Mumbai, Maharashtra, India.

Aim: OrthoMTA and RetroMTA are newly developed mineral trioxide aggregates that were developed to achieve maximum benefits and clinical performance. This systematic review aimed at assessing and describing the constituents, properties and uses of OrthoMTA and RetroMTA.

Methodology: Literature search was performed using the keywords, "OrthoMTA", "RetroMTA", "BioMTA", "constituents" and "properties" in the databases, PubMed, Cochrane, Semantic scholar and Europe PubMed Central. Read More

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Oral Tissue Involvement and Probable Factors in Post-COVID-19 Mucormycosis Patients: A Cross-Sectional Study.

Healthcare (Basel) 2022 May 13;10(5). Epub 2022 May 13.

Department of Conservative Dentistry and Endodontics, Nair Hospital Dental College, Mumbai 400008, Maharashtra, India.

The primary goal of this study was to assess the prevalence of oral involvement and, secondarily, the likely variables in patients with confirmed COVID-19 accompanied by mucormycosis infection. The study design was a cross-sectional descriptive sort that was performed at a tertiary centre. The non-probability convenience sampling approach was used to determine the sample size. Read More

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Color stability and microhardness alteration of irradiated dental enamel treated with a high fluoride concentration toothpaste.

Clin Oral Investig 2022 May 19. Epub 2022 May 19.

Department of Pediatric Dentistry, Faculty of Dentistry of Ribeirao Preto, University of São Paulo, Av. do Café, s/nº, Monte Alegre, 14040-904, Ribeirão Preto, Brazil.

Objectives: Radiotherapy (RT) is a kind of head and neck cancer (HNC) treatment, which is associated to the habit of smoking and can develop collateral effects in the oral cavity, such as the increase of caries prevalence. This study evaluated the color alteration, the microhardness, and the remineralizing potential of high fluoride concentration toothpastes on irradiated teeth.

Materials And Methods: Forty bovine teeth were used (6 × 6 × 2 mm) and after color (EasyShade, VITA) and microhardness initial readings were separated into two groups: exposed to cigarette smoke and non-exposed. Read More

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Effectiveness of revitalization in treating apical periodontitis: A systematic review and meta-analysis.

Int Endod J 2022 May 17. Epub 2022 May 17.

Department of Stomatology, Section of Endodontics, School of Dentistry, University of Seville, Seville, Spain.

Background: Revitalization procedures primarily aim to eliminate clinical symptoms and heal periapical lesions.

Objectives: The objective of the study was to elucidate the effectiveness of revitalization in treating apical periodontitis in necrotic mature and immature permanent teeth based on the following PICO question: In patients with permanent immature or mature teeth and pulp necrosis with or without signs of apical periodontitis (P) what is the effectiveness of revitalization (I) in comparison with calcium hydroxide apexification, apical plug and root canal treatment (C) in terms of tooth survival, pain, tenderness, swelling, need for medication (analgesics and antibiotics), radiographic evidence of reduction of apical lesion size, radiographic evidence of normal periodontal ligament space, radiographic evidence of increased root thickness and length (not for mature teeth), tooth function (fracture and restoration longevity), need for further intervention, adverse effects (including exacerbation, restoration integrity, allergy and discolouration), oral health-related quality of life (OHRQoL), presence of sinus tract and response to sensibility testing (O). (T) = Defined as a minimum of 1 year and maximum of as long as possible for all outcome measures, except 'pain, tenderness, swelling, need for medication (analgesics)', which is a minimum of 7 days and maximum of 3 months and OHRQoL which is minimum of 6 months and a maximum of as long as possible. Read More

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Evaluation of the colour and translucency parameter of conventional and Computer-aided design and computer-aided manufacturing (CAD-CAM) feldspathic porcelains after staining and laser-assisted bleaching.

J Conserv Dent 2021 Nov-Dec;24(6):628-633. Epub 2022 Apr 1.

Department of Prosthodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.

Aims: The present study aimed to evaluate the color and translucency changes of the feldspathic porcelain samples made using the conventional or computer-aided design/computer-aided manufacturing (CAD/CAM) methods after immersion in staining solutions and laser bleaching.

Materials And Methods: A total of 72 samples of feldspathic porcelain were fabricated using the conventional ( = 36) or CAD/CAM ( = 36) methods. Afterward, each group was randomly divided into three subgroups ( = 12), which underwent exposure to coffee, orange juice, or distilled water for 6 weeks. Read More

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Outcomes reporting in systematic reviews on surgical endodontics: A scoping review for the development of a core outcome set.

Int Endod J 2022 May 12. Epub 2022 May 12.

Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK.

Background: Evidence-informed decision-making in health care relies on the translation of research results to everyday clinical practice. A fundamental requirement is that the validity of any healthcare intervention must be supported by the resultant favourable treatment outcome. Unfortunately, differences in study design and the outcome measures evaluated often make it challenging to synthesize the available research evidence required for secondary research analysis and guideline development. Read More

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Newer Technique of Extra-Coronal Bleaching with Sodium Perborate on Non-Pitted Fluorosis Stains in Permanent Anterior Teeth.

J Clin Pediatr Dent 2022 Mar;46(2):112-118

From the Department of Pedodontics, PGIDS, Rohtak, India.

Variety of treatment approaches have been proposed for esthetic management of dental fluorosis. Microabrasion, bleaching using hydrogen peroxide, and etch bleach seal are commonly used methods. Bleaching using sodium perborate has been used for intracoronal bleaching. Read More

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Amelogenesis Imperfecta and Distal Renal Tubular Acidosis: A Case Report.

Int J Clin Pediatr Dent 2022 Jan-Feb;15(1):121-123

Department of Pedodontics and Preventive Dentistry, Army College of Dental Sciences, Secunderabad, Telangana, India.

Amelogenesis imperfecta (AI) is an inherited dental condition affecting enamel, which can result in significant tooth discoloration and enamel breakdown, requiring lifelong dental care. Distal renal tubular acidosis (dRTA) is a condition in which the kidneys are unable to acidify the urine to a pH < 5.5 in the presence of systemic metabolic acidosis. Read More

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Simultaneous Photodynamic Eradication of Tooth Biofilm and Tooth Whitening with an Aggregation-Induced Emission Luminogen.

Adv Sci (Weinh) 2022 May 7:e2106071. Epub 2022 May 7.

Ming Wai Lau Centre for Reparative Medicine, Karolinska Institutet, Hong Kong, 999077, China.

Dental caries is among the most prevalent dental diseases globally, which arises from the formation of microbial biofilm on teeth. Besides, tooth whitening represents one of the fastest-growing areas of cosmetic dentistry. It will thus be great if tooth biofilm eradication can be combined with tooth whitening. Read More

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Adhesive Management of Anterior Tooth Wear in Combination with the Dahl Concept-A 27-Month Observational Case Series.

Oper Dent 2021 Nov;46(6):594-608

József Szalma, DMD, PhD, Habil, Department of Oral and Maxillofacial Surgery, University of Pécs Medical School, Pécs, Hungary.

Localized anterior maxillary tooth wear caused by erosion and attrition with loss of interocclusal space is difficult to manage. This observational case-series study reports six cases with worn anterior dentition treated with labial ceramic and palatal direct resin composite veneers at an increased vertical dimension of occlusion without restoration of unaffected posterior teeth. Thirty-six palatal direct veneers were made in six patients from a nanohybrid resin composite with the help of a wax-up-based template at an increased vertical dimension. Read More

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November 2021

Comparison of the Masking Ability and Translucency of Different Tooth-Colored Restorative Materials.

Pediatr Dent 2022 Mar;44(2):130-135

Loma Linda University, Loma Linda, Calif., USA.

Purpose: The purpose of this study was to evaluate the masking of simulated silver diamine fluoride (SDF) carious tooth discoloration using tooth-colored restorative materials.

Methods: Eighty disc specimens (N equals 10 disc specimens per group) were prepared using pink opaquer (PO), pink opaquer with composite resin (DUAL), opaque-shade composite resin (OSC), and resin-modified glass ionomer (RMGI) of one-mm and two-mm thicknesses. Three backgrounds were prepared: white, dark dentin shade (C4D), and black tile. Read More

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The effects of pediatric dentifrices with different types of fluoride on the color change of restorative materials.

Eur Oral Res 2022 Jan;56(1):42-48

Department of Pediatric Dentistry, Faculty of Dentistry, Istanbul Okan University, IstanbulTurkey.

Purpose: This study aimed to evaluate the effects of dentifrices with different fluoride content on color change of restorative materials commonly used in pediatric dentistry.

Materials And Methods: Three restorative materials (glass hybrid [Equia Forte (EF)], glass carbomer [GCP Glass Fill (GCP)] and compomer [Dyract XP (DXP)]) were used to prepare 120 disc shaped specimens by using a Teflon ring. Four dentifrice groups were created as Sodium Fluoride (NaF), Amine Fluoride (AmF), Stannous Fluoride (SnF2) and no-fluoride (n=40). Read More

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January 2022

Understanding children's attention to traumatic dental injuries using eye-tracking.

Dent Traumatol 2022 Apr 23. Epub 2022 Apr 23.

Dental School, The University of Western Australia, Perth, West Australia, Australia.

Background/aim: Traumatic dental injuries (TDIs) in the primary dentition may result in tooth discolouration and fractures. The aim of this child-centred study was to explore the differences between preschool children's eye movement patterns and visual attention to typical outcomes following TDIs to primary teeth.

Materials And Methods: An eye-tracker recorded 155 healthy preschool children's eye movements when they viewed clinical images of healthy teeth, tooth fractures and discolourations. Read More

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A Retrospective Clinical Study on Factors Influencing the Failure of NCCL Restorations.

Int J Dent 2022 11;2022:8048265. Epub 2022 Apr 11.

Department of Operative Dentistry and Endodontics, Faculty of Dentistry, Mahidol University, Bangkok, Thailand.

Objectives: This retrospective study evaluated the factors influencing the clinical failure of noncarious cervical lesion (NCCL) restorations.

Methods: Patients were routinely treated by undergraduate or postgraduate students and randomly received a clinical recall evaluation. A retrospective study was performed with two experienced calibrated examiners to evaluate NCCL restorations, including the critical parameters of retention, caries, marginal discoloration, and marginal integrity. Read More

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Various Aspects Involved in the Study of Tooth Bleaching Procedure: A Questionnaire-Based Study.

Int J Environ Res Public Health 2022 03 27;19(7). Epub 2022 Mar 27.

Department of Prosthetic Dentistry and Dental Materials, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania.

A beautiful smile is an important feature when it comes to a pleasant appearance of the face, and one of the most common situations that drive patients to book a dental appointment is tooth discoloration. Tooth bleaching is the treatment of choice for extrinsic tooth discoloration, as it is a cheap, fast, and minimally invasive procedure. This study aimed to provide comparative information on the perceptions of both patients and dentists regarding different whitening methods and on the factors involved in people's willingness to recommend and use a bleaching procedure. Read More

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Peptide-Enabled Nanocomposites Offer Biomimetic Reconstruction of Silver Diamine Fluoride-Treated Dental Tissues.

Polymers (Basel) 2022 Mar 28;14(7). Epub 2022 Mar 28.

Bioengineering Program, University of Kansas, 1132 Learned Hall 1530 W, 15th Street, Lawrence, KS 66045-7609, USA.

Caries is the most ubiquitous infectious disease of mankind, and early childhood caries (ECC) is the most prevalent chronic disease in children worldwide, with the resulting destruction of the teeth recognized as a global health crisis. Recent the United States Food and Drug Administration (FDA) approval for the use of silver diamine fluoride (SDF) in dentistry offers a safe, accessible, and inexpensive approach to arrest caries progression in children with ECC. However, discoloration, i. Read More

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Long-term Complications of Previously Successful Regenerative Endodontic Procedures after Orthodontic Movement: A Report of 3 Different Complications after 4, 8, and 11 Years.

J Endod 2022 Apr 8. Epub 2022 Apr 8.

Dental School, National and Kapodistrian University of Athens, Athens, Greece.

There is a paucity of literature on late complications of regenerative endodontic procedures. The aim of this article was to report 3 cases of previously successful regenerative endodontic procedures with long-term follow-up that developed different complications after the application of orthodontic forces. In the first case, an 8-year-old female patient received a regenerative endodontic procedure in her previously intruded tooth (tooth no. Read More

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Comparison of fiber-reinforced composite and nanohybrid resin impregnated with glass fibers as postendodontic restoration in molars - A clinical study.

J Conserv Dent 2021 Sep-Oct;24(5):514-518. Epub 2022 Mar 7.

Parikh Dental Clinic, Vadodara, Gujarat, India.

Background: Restoration of endodontically treated teeth is one of the most challenging part of operative dentistry. The introduction of fiber-reinforced composite has provided a considerable opportunity to modify material's behavior and to enhance the response of existing materials.

Aim: The aim of the study is to comparatively evaluate the efficacy of fiber-reinforced composite resins and nanohybrid resin impregnated with glass fibers as postendodontic restoration in molars. Read More

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Interdisciplinary esthetic approach in clinical dental rehabilitation.

J Conserv Dent 2021 Sep-Oct;24(5):519-523. Epub 2022 Mar 7.

Department of Odontology, School of Dentistry, Catholic University of Pelotas, Pelotas, Brazil.

During the esthetic evaluation of smile, the presence of diastemas, tooth color, size and shape, and the amount of gingival exposure are important factors to be considered. A 23-year-old female patient was referred to us with a dissatisfaction with her smile. After clinical examination revealed esthetic alterations as generalized tooth yellowish discoloration, a slight diastema in the upper anterior region, and a shortened appearance of maxillary dental crowns, providing a gingival smile. Read More

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