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Clin Oral Investig 2019 Feb 14. Epub 2019 Feb 14.

Department of Restorative Dentistry, State University of Ponta Grossa, Rua Carlos Cavalcanti, 4748, Bloco M, Sala 64-A, Uvaranas, Ponta Grossa, Paraná, 84030-900, Brazil.

Objectives: A systematic review and a network meta-analysis were performed to answer the following research question: "Is there any light-activation protocol capable of improving color change efficacy when associated with an in-office bleaching gel in adults?"

Material And Methods: A search was performed in PubMed, Scopus, Web of Science, LILACS, BBO, Cochrane Library, and SIGLE without date and/or language restrictions in April 23, 2017 (updated on March 30, 2018). IADR abstracts (1990-2018), unpublished and ongoing trial registries, dissertations, and theses were also searched. Only randomized clinical trials conducted in adults that included at least one group treated with in-office dental bleaching with light activation were included. Read More

Dent Res J (Isfahan) 2019 Jan-Feb;16(1):53-59

Student Research Committee, Dental School, Kermanshah University of Medical Sciences, Kermanshah, Iran.

Background: This study sought to assess and compare coronal discoloration following the application of white mineral trioxide aggregate, Biodentine, and calcium-enriched mixture cement in endodontically treated teeth.

Materials And Methods: In this experimental study, 64 freshly extracted sound human premolars were selected, cleaned, and stored in saline. After cleaning, shaping, and obturation the root canal of the teeth, the teeth were randomly assigned to one control ( = 4) and three experimental ( = 20) groups. Read More

Orthod Craniofac Res 2019 Feb 9. Epub 2019 Feb 9.

Department of Dentistry, School of Medicine, European University Cyprus, Nicosia, Cyprus.

Objectives: To assess in vivo color alterations of teeth following removal of fixed orthodontic appliances during retention.

Setting And Sample Population: The Department of Orthodontics at XXXXXX University of XXXXX. Forty eight patients after orthodontic treatment. Read More

Wiad Lek 2018 ;71(9):1749-1752

Ukrainian Medical Stomatological Academy, Poltava, Ukraine.

Objective: Introduction: The use of ceramic veneers is one of the modern methods of correction of color changes in teeth. The effectiveness of treating dental discoloration with the use of veneers depends on their high-quality fixation on teeth. The aim of the research is to conduct a comparative assessment of the adhesion strength on offset when fixing veneers by various materials and methods. Read More

Int J Paediatr Dent 2019 Feb 1. Epub 2019 Feb 1.

Cukurova University, Faculty of Dentistry, Department of Pediatric Dentistry, Adana, Turkey.

Background: The causes for intrinsic tooth discoloration can be separated into two categories as systemic and local. Systemic causes are either genetic or drug induced effects. The development of dentition can also be affected by a number of systemic factors and metabolic diseases such as porphyria. Read More

MMWR Morb Mortal Wkly Rep 2019 Feb 1;68(4):87-90. Epub 2019 Feb 1.

Fluoride use is one of the main factors responsible for the decline in prevalence and severity of dental caries and cavities (tooth decay) in the United States (1). Brushing children's teeth is recommended when the first tooth erupts, as early as 6 months, and the first dental visit should occur no later than age 1 year (2-4). However, ingestion of too much fluoride while teeth are developing can result in visibly detectable changes in enamel structure such as discoloration and pitting (dental fluorosis) (1). Read More

BMC Oral Health 2019 Jan 29;19(1):26. Epub 2019 Jan 29.

State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.

Background: It is widely accepted that oral health plays an important role in overall health. Both dental and medical students are expected to possess good oral health awareness and work together for public oral health promotion especially in developing countries like China. The aim of this study was to assess the oral health knowledge, behavior and status of dental and medical undergraduate students in the first (fresh) and third year (before specialized courses) study. Read More

J Dent (Shiraz) 2018 Dec;19(4):280-286

Postgraduate Student, Dept. of Endodontics, School of Dentistry, Shiraz University of Medical Science, Shiraz, Iran.

Statement Of The Problem: The endodontically treated teeth usually suffer from the discoloration induced by endodontic materials, which can adversely affect the esthetical outcome of a treatment.

Purpose: This study aimed to compare the discoloration caused by the silver nanoparticles coated with imidazolium as an irrigant, sodium hypochlorite (NaOCl), and chlorhexidine gluconate (CHX).

Materials And Method: The root tips of 65 single-rooted human teeth were resected and root canal systems were chemomechanically prepared from the apical aspect. Read More

Int Endod J 2019 Jan 14. Epub 2019 Jan 14.

Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand.

Aim: To compare the outcome of partial pulpotomy using two cements, ProRoot MTA (Dentsply, Tulsa Dental Specialties, Tulsa, OK, USA) and Biodentine (Septodont, Saint-Maur-des-Fossés, France), in permanent teeth of 6- to 18-year-old patients with signs and symptoms indicative of irreversible pulpitis. Furthermore, the frequencies of perceptible grey discoloration caused by the cements were compared.

Methodology: Sixty-nine permanent first molars with signs and symptoms indicative of irreversible pulpitis, from 69 patients, were included. Read More

Can J Anaesth 2019 Mar 9;66(3):328-330. Epub 2019 Jan 9.

Faculté de Médecine Dentaire, Université Laval, Quebec, QC, Canada.

Farm Hosp 2019 01 1;43(1):36-38. Epub 2019 Jan 1.

Servicio de Farmacia. Dirección General de Política Sanitaria. Consejería de Sanidad del Principado de Asturias, Oviedo, Asturias.

J Clin Exp Dent 2018 Nov 1;10(11):e1058-e1062. Epub 2018 Nov 1.

BDS, Postgraduate student, Department of orthodontics, JKK Nataraja dental college and hospital, Kumarapalayam.

Background: To assess the reversal of discolouration caused by Ledermix using various bleaching agents.

Material And Methods: Twenty six extracted human mandibular premolars were taken and divided into four groups. Six teeth were divided into three each which are taken as positive and negative controls. Read More

J Contemp Dent Pract 2018 Nov 1;19(11):1295-1300. Epub 2018 Nov 1.

Innovation and Development, ISDIN S.A., Barcelona, Spain, Phone: +34 932 402 020, e-mail:

Aims: Oral hygiene is key to prevent periodontal disease (PD). The efficacy of chlorhexidine-containing products has been largely proven, often being tooth discoloration an unwanted associated side-effect. Importantly, some differences related to the pharmaceutical presentation of these products have also been reported. Read More

PLoS One 2018 20;13(12):e0209330. Epub 2018 Dec 20.

Center for Microscopy and Imaging, Baylor University, Waco, Texas, United States of America.

Taphonomic analyses of bone-surface modifications can provide key insights into past biotic involvement with animal remains, as well as elucidate the context(s) of other biostratinomic (pre-burial) processes, diagenesis, excavation, preparation and storage. Such analyses, however, first require researchers to rigorously disambiguate between continuums of damage morphologies prior to attributing individual marks to specific actors and effectors (e.g. Read More

Quintessence Int 2018 Dec 18:2-12. Epub 2018 Dec 18.

Objectives: To test if cigarette smoke (CS) causes discoloration of enamel, dentin, and composite resin restorations and induces color mismatch between dental hard tissues and the restorations, and to compare the findings with the effects of aerosol generated by the tobacco heating system (THS) 2.2.

Method And Materials: Twenty-two human premolars were prepared with Class V cavities restored with Filtek Supreme Ultra (3M Espe) composite resin. Read More

Braz Dent J 2018 Sep-Oct;29(5):409-418

Department of Dentistry, UFSC - Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.

This systematic review aimed to evaluate whether alternative materials to conventional triple antibiotic paste (TAP - metronidazole, ciprofloxacin, and minocycline) and grey mineral trioxide aggregate (GMTA) could avoid tooth discoloration in teeth submitted to Regenerative Endodontic Procedure (REP). It was also investigated if dental bleaching is able to reverse the color of darkened teeth due to REP. The search was conducted in four databases (Medline via PubMed, Scopus, ISI Web of Science and BVS - Virtual health library), following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Read More

Int J Environ Res Public Health 2018 11 12;15(11). Epub 2018 Nov 12.

Dental Center, 29 Marasli Street, Kolonaki, GR10676 Athens, Greece.

The primary aim of this study was to examine the clinical performance of posterior monolithic single crowns in terms of failure or complications and the secondary aim was to assess the quality of these restorations according to the United States Public Health Service (USPHS) criteria. Ιn a private dental clinic, 65 patients with need of posterior crowns were restored with monolithic zirconia crowns. All the restorations were evaluated 6 and 12 months after their cementation. Read More

Niger J Clin Pract 2018 Nov;21(11):1484-1491

Department of Pediatric Dentistry, European University of Lefke Faculty of Dentistry, Lefke, Cyprus.

Context: In pediatric clinic practice, bulk fill composite is gaining importance for shortened clinical time with a limited shrinkage.

Aims: The present study evaluated the 1 year clinical performance of bulk fill composite and conventional composite material in occlusal caries of primary molars.

Settings And Design: The study was designed as randomized single blind clinical trial and a total of 160 restorations were placed in the cavities of the 80 patients. Read More

Int J Dent Hyg 2018 Oct 29. Epub 2018 Oct 29.

Department of Oral and Maxillo-Facial Sciences, "Sapienza" University of Rome, Rome, Italy.

Objectives: To compare 3 mouthwashes: 0.20% chlorhexidine (CHX) with Anti-Discoloration System (ADS), 0.20% CHX and 0. Read More

Braz Oral Res 2018 Oct 18;32(suppl 1):e75. Epub 2018 Oct 18.

Pontifícia Universidade Católica de Minas Gerais - PUC-MG, Department of Dentistry, Belo Horizonte, MG, Brazil.

Pulp canal obliteration (PCO) is a frequent finding associated with pulpal revascularization after luxation injuries of young permanent teeth. The underlying mechanisms of PCO are still unclear, and no experimental scientific evidence is available, except the results of a single histopathological study. The lack of sound knowledge concerning this process gives rise to controversies, including the most suitable denomination. Read More

Pediatr Dent 2018 Jul;40(4):253-258

Department of Developmental Dentistry, School of Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA.

The purpose of this study was to evaluate the clinical success of a new primary zirconia molar crown compared with stainless steel crowns (SSCs). This randomized, controlled clinical trial was designed as a split-mouth study. Fifty three- to seven-year-old children were recruited to provide a total of 50 pairs of teeth requiring primary molar crowns, with each participant receiving a SSC and zirconia crown. Read More

Clin Oral Investig 2018 Oct 17. Epub 2018 Oct 17.

Department of Preventive Dentistry, School of Dentistry, Kyungpook National University, 2177, Dalgubeol-daero, Jung-gu, Daegu, 41940, Republic of Korea.

Objectives: To evaluate the efficacy of a brush-off patch containing 3.0% hydrogen peroxide, which is a new over-the-counter (OTC) product for tooth whitening, and determine the optimal protocol for use.

Materials And Methods: We performed an in vitro study using hydroxyapatite specimens and a clinical trial involving 140 volunteers. Read More

J Indian Soc Pedod Prev Dent 2018 Oct-Dec;36(4):402-406

Department of Pedodontics and Preventive Dentistry, Dr. D.Y Patil Vidyapeeth, Pune, Maharashtra, India.

Objective: The objective of this study is to evaluate the effect of chlorhexidine on the outcome of pit and fissure sealant (PFS) in permanent molars.

Methods: A double-blind randomized controlled trial using split-mouth design was conducted for a period of 1 year. The clinical trial registry was done in the Indian Council of Medical Research, and the clinical trial number obtained was CTRI/2016/08/007222. Read More

J Clin Exp Dent 2018 Aug 1;10(8):e815-e820. Epub 2018 Aug 1.

DDS, MSc, PhD, Professor, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil.

Background: To establish the correlation between enamel roughness and color change of tooth.

Material And Methods: Enamel/dentin blocks (5 x 5 x 3.2 mm) were serially ground with the following abrasive paper: 1200-grit, 800-grit, and 600-grit SiC papers. Read More

Dental Press J Orthod 2018 Aug 1;23(4):36-42. Epub 2018 Aug 1.

Centro Universitário de Adamantina (Adamantina/SP, Brasil).

To biologically explain why the orthodontic treatment does not induce pulp necrosis and calcific metamorphosis of the pulp, this paper presents explanations based on pulp physiology, microscopy and pathology, and especially the cell and tissue phenomena that characterize the induced tooth movement. The final reflections are as follows: 1) the orthodontic movement does not induce pulp necrosis or calcific metamorphosis of the pulp; 2) there is no literature or experimental and clinical models to demonstrate or minimally evidence pulp alterations induced by orthodontic movement; 3) when pulp necrosis or calcific metamorphosis of the pulp is diagnosed during orthodontic treatment or soon after removal of orthodontic appliances, its etiology should be assigned to concussion dental trauma, rather than to orthodontic treatment; 4) the two pulp disorders that cause tooth discoloration in apparently healthy teeth are the aseptic pulp necrosis and calcific metamorphosis of the pulp, both only induced by dental trauma; 5) the concussion dental trauma still requires many clinical and laboratory studies with pertinent experimental models, to increasingly explain its effects on the periodontal and pulp tissues. Read More

J Conserv Dent 2018 Sep-Oct;21(5):562-568

Faculty of Dentistry, SEGi University, Selangor, Malaysia.

Introduction: Among the various causes of tooth discoloration after root canal treatment, percolation of sealer remnants into the dentinal tubules of the pulp chamber is the most common cause.

Objectives: The aim of this study is to evaluate the efficacy of dentin bonding agent (DBA) in preventing coronal discoloration caused by four different root canal sealers- MTA Fillapex, Sealapex, Zical and Z. O. Read More

Clin Oral Investig 2018 Oct 6. Epub 2018 Oct 6.

Faculty of Dentistry, Department of Restorative Dentistry, Çanakkale Onsekizmart University, Çanakkale, Turkey.

Objectives: This study compared the 3-year clinical performance of a low-shrinkage silorane-based composite material with that of a methacrylate-based composite material in the restoration of endodontically treated premolar teeth.

Materials And Methods: A total of 70 patients requiring a Class II composite-resin restoration of a premolar tooth following root-canal treatment participated in the study. Cavities were restored with either a silorane-based restorative (Filtek Silorane + Silorane System Adhesive) or a methacrylate-based restorative (Filtek Z250 + Clearfil SE Bond) system applied according to the manufacturer's instructions. Read More

Case Rep Dent 2018 6;2018:4601795. Epub 2018 Sep 6.

Kırıkkale University Faculty of Dentistry, Department of Restorative Dentistry, Turkey.

Dental aesthetics have become highly important in recent years. Treating aesthetic demands with noninvasive or minimally invasive techniques can preserve the natural tissues. A 20-year-old female patient presented to the clinic with aesthetic concerns. Read More

Clin Oral Investig 2018 Sep 27. Epub 2018 Sep 27.

Department of Endodontics, Faculty of Dentistry, Gazi University, Emek mah. 1. sok No: 4, 06510, Ankara, Turkey.

Objectives: The aim of this study was to evaluate the tooth crown discoloration induced by commonly used and new-generation endodontic sealers after 1 month and 1 and 3 years.

Materials And Methods: The crowns of 60 extracted incisors were cut and the pulp chambers were cleaned. The specimens were divided randomly into four groups (n = 15 each). Read More

Dent Res J (Isfahan) 2018 Sep-Oct;15(5):367-371

Department of Prosthodontics, Faculty of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran.

Background: Iron supplement is recommended for alleviating iron deficiency. Black discoloration of teeth is one of the side effects of consumption of iron supplements. Besides these effects, iron drops may also act directly on the dental hard tissues, with erosive lesions as possible outcomes of their content. Read More

Forensic Sci Int 2018 Oct 18;291:e8-e12. Epub 2018 Aug 18.

Department of Forensic Anthropology and Odontology, Scientific State Police, Goiania, Brazil; Department of Forensic Odontology, Federal University of Goias, Goiania, Brazil.

Forensic thanatology comprises the investigation of every phenomenon related to death performed through cadaveric exams. The pink tooth phenomenon (PTP) emerges as a thanatological finding registered during medical or dental autopsy. The PTP consists of a reddish or pink coloration caused in the teeth by the penetration of pulpal hemoglobin in the dentinal tubules. Read More

Niger J Clin Pract 2018 Sep;21(9):1093-1097

Private Practice, Ankara, Turkey.

Objectives: The objective of the study is to evaluate the effects of repeated bracket bonding on the color changes of tooth enamel after in vitro coloration.

Materials And Methods: Eighty-one premolars were equally divided into three groups. Samples in Group 1 (G1) represented nonorthodontic treatment patients, and the enamel surfaces were left intact. Read More

Dent Med Probl 2018 Apr-Jun;55(2):167-171

Department of Dental Prosthetics, Faculty of Dentistry, Wroclaw Medical University, Poland.

Background: Prosthetic treatment restores proper chewing function and facial aesthetics, and enhances the quality of life. The overall aesthetic result of the use of removable prostheses is correlated with the type of artificial teeth used and with the maintenance of aesthetic effect and color stability.

Objectives: The aim of the study was to evaluate the formation and intensity of discoloration caused by the dyes present in selected 5-layer acrylic teeth. Read More

J Prosthet Dent 2019 Feb 20;121(2):340-346. Epub 2018 Aug 20.

Associate Professor, Department of Restorative Dental Sciences, Division of Prosthodontics, College of Dentistry, University of Florida, Gainesville, Fla. Electronic address:

Statement Of Problem: Whether tooth whitening alters the surface topography of enamel causing an increase in surface roughness that could increase susceptibility to restaining is unclear.

Purpose: The purpose of this in vitro study was to evaluate whether immersing enamel in common solutions produces a color change of ΔE greater than 2; whether the highest concentration carbamide peroxide bleaching agent produces the greatest ΔE; whether bleaching increases the susceptibility to further staining by common solutions; and whether morphologic changes to the enamel surface are observed after staining and bleaching as evidenced by scanning electron microscopy (SEM) analysis and energy-dispersive X-ray spectroscopy (EDS).

Material And Methods: Forty-five extracted human teeth were immersed in 5 solutions (wine, coffee, tea, soda, and water) for 15 days at 80°C, and the change in ΔE was assessed with a colorimeter. Read More

Qual Life Res 2018 Dec 21;27(12):3199-3207. Epub 2018 Aug 21.

Department of Restorative Dentistry, Faculty of Dentistry, University of Chile, Independencia, Santiago, Chile.

Purpose: Intracoronary bleaching is a minimally invasive, alternative treatment that addresses aesthetic concerns related to non-vital teeth discoloration. However, to the best of our knowledge, no studies have assessed the psychosocial impacts of such procedures on patients' aesthetic perceptions. The aim of this study was to evaluate aesthetic perceptions and the psychosocial impact of patients up to 3 months after their teeth had been bleached with hydrogen peroxide (35%) and carbamide peroxide (37%) using the walking bleach technique. Read More

J Conserv Dent 2018 Jul-Aug;21(4):450-454

DDS (ISP-1), School of Dental Medicine, University of Colorado, Denver, USA.

Context: Molar incisor hypomineralization (MIH) is a commonly occurring esthetic setback among patients. Depending on the graveness of the lesion, esthetics of MIH can be improved by treatments such as enamel microabrasion, bleaching, composite resin bonding, and the combination of some or all of these techniques.

Aim: The aim of this study is to evaluate the esthetic results of resin infiltration treatment on incisors with Grade I molar incisor MIH. Read More

J Conserv Dent 2018 Jul-Aug;21(4):388-393

Dr. D. Y. Patil Dental College & Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharastra, India.

Aim: The aim of this study is to evaluate and compare the coronal discoloration induced by two Triple antibiotic paste (TAP 1 and 2), when used with varying depths of 2 and 4 mm of temporary sealing materials at the end of 0, 3, and 6 weeks.

Objectives: (1) To evaluate coronal discoloration induced by TAP-1 when the depth of the temporary restorative material is 2 mm below cementoenamel junction at the end of 0, 3, and 6 weeks.

Materials And Methods: Forty extracted permanent maxillary central and lateral incisors or single-rooted tooth were collected and chosen for the study. Read More

Int J Periodontics Restorative Dent 2018 ;38(Suppl):s17-s27

A prospective cohort clinical study was performed to evaluate the concept and design of a novel macro hybrid implant placed into maxillary anterior postextraction sockets. Thirty-three patients with an equal number of hybrid implants were used to replace nonrestorable single anterior teeth with immediate tooth replacement therapy (immediate implant placement and immediate provisional restoration). The macro features of this hybrid implant are unique in geometry, as it combines two different shapes-a cylindrical coronal and tapered apical portion-into a singular body design, each comprising roughly half of the implant length. Read More

Dent Traumatol 2018 Dec 16;34(6):401-405. Epub 2018 Oct 16.

Department of Preventive and Community Dentistry, Dental School, Rio de Janeiro State University, Rio de Janeiro, Brazil.

Background/aims: Dental trauma to the predecessor teeth can cause crown and root dilacerations to the successor teeth, which can interfere with the normal development of permanent teeth. The aims of this study were to verify the types of trauma more frequent to the predecessor teeth that cause dilaceration to their successor teeth, to determine the frequency of crown and root dilacerations in permanent incisors, taking into account the child's age at the time of trauma, and to describe the types of treatment performed.

Materials And Methods: Details of 815 anterior primary teeth with dental injury were obtained from 483 dental records of children aged 0-9 years at the time of trauma. Read More

Am J Dent 2018 Aug;31(4):211-214

Department of Prosthodontics, Faculty of Dentistry, Biruni University, Istanbul, Turkey.

Purpose: To evaluate the tooth discoloration effect of the daily use protocol of six different mouthrinses.

Methods: 70 extracted caries-free central incisors were divided into seven groups (n=10/per group) : Group 1: Curasept Anti Discoloration System; Group 2: CB12; Group 3: Listerine Zero; Group 4: Listerine Cool Mint; Group 5: Colgate Plax; Group 6: Kloroben. The teeth were exposed to the mouthrinse for 2 minutes daily for 3 weeks. Read More

Int J Dent Hyg 2018 Nov 12;16(4):541-552. Epub 2018 Aug 12.

Research Centre for the Study of Periodontal and Peri-Implant Diseases, University of Ferrara, Ferrara, Italy.

Objectives: To evaluate the postsurgery gingival healing as well as plaque, gingival inflammation and staining levels following the use of a 0.2% chlorhexidine (CHX) solution with or without antidiscoloration system (ADS) and 0.2% hyaluronic acid (HA). Read More

Oral Oncol 2018 Aug 12;83:64-72. Epub 2018 Jun 12.

Clinic of Orthodontics and Pediatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland. Electronic address:

Objective: The aim of this systematic review was to assess evidence on dental adverse effects associated with chemotherapy (CH) administered to children with cancer.

Material And Methods: Eight databases were searched without restrictions up to March 2017 for studies reporting on dental effects of CH administered for childhood cancer. After elimination of duplicates, data extraction, and risk of bias assessment according to the Cochrane guidelines, random-effects meta-analyses of Relative Risks (RR) and Mean Differences (MD) and their 95% Confidence Intervals (CI) were performed, followed by meta-regression and sensitivity analyses. Read More

J Dent Res Dent Clin Dent Prospects 2018 20;12(2):120-127. Epub 2018 Jun 20.

Department of Restorative Dentistry, Faculty of Dentistry, Pamukkale University, Denizli, Turkey.

The use of trayless at-home bleaching agents in darker teeth is raising some concerns due to their unknown efficacy. The purpose of this in vitro study was to evaluate the effect of tooth discolouration severity on the efficacy and colour stability of two different trayless at-home bleaching systems. Ninety enamel-dentin samples were divided into two groups: lighter tand darker teeth. Read More

Iran Endod J 2018 ;13(3):413-419

Department of Operative Dentistry, Dow Dental College, Dow University of Health Sciences, Baba-e-Urdu Road Karachi, Pakistan.

A case of unusual anatomy in a maxillary lateral incisor is presented. A 20-year old female presented with failing endodontics. Clinical examination and radiographs revealed poorly obturated maxillary left lateral incisor with an untreated patent second root and a palatogingival groove. Read More

Iran Endod J 2018 ;13(3):278-284

Institute of Dentistry and Oral Sciences, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic.

Discoloration remains an unfavourable complication of otherwise successful regenerative endodontic procedure of immature teeth with necrotic pulp. This review presents a critical view on current knowledge of discoloration sources, its treatment and possible preventive modalities, dealing mainly with the use of antibiotics, ethylendiaminotetraacetic acid, calcium hydroxide, mineral trioxide aggregate, calcium silicate cements, sodium hypochlorite and chlorhexidin during regenerative treatment and their possible interactions. Bleaching as a discoloration treatment modality is discussed as well. Read More

Am J Orthod Dentofacial Orthop 2018 Aug;154(2):213-220

Department of Biostatistics, Faculty of Medicine, Yüzüncü Yıl University, Van, Turkey.

Introduction: The aim of this study was the long-term follow-up of enamel color changes observed in the middle third of buccal tooth surfaces after treatment with fixed orthodontic appliances.

Methods: The study included 120 maxillary central and lateral incisors and canines of 20 subjects who had fixed orthodontic treatment. The Spectro Shade Micro device (MHT, Verona, Italy) was used to evaluate the color changes of the teeth. Read More

Int J Esthet Dent 2018;13(3):394-403

This study evaluated the effectiveness of resin infiltration or enamel microabrasion for restoring color changes caused by incipient carious lesions as well as the color stability achieved by these treatments. Enamel specimens were subjected to cariogenic challenge to produce white spot lesions (WSLs) using a microcosm biofilm model. These lesions were treated with resin infiltration or enamel microabrasion (n = 8), and color changes were measured with a spectrophotometer at baseline and after the treatments. Read More

Int J Esthet Dent 2018;13(3):302-317

In the case of discolored devitalized anterior teeth, several treatments are available to enhance the esthetic outcome, from noninvasive external/internal bleaching to freehand resin composites and more complex prosthetic solutions such as veneers or full crowns. Innovative computer-aided design/computer-aided manufacturing (CAD/CAM) chairside technologies and the introduction of new industrially polymerized composite resin blocks coupled with modern adhesive strategies have reduced both biological and financial costs compared to the classic post-core-crown approach. The aim of this article is to show how these new materials can be used in association with noninvasive internal and external tooth bleaching to restore a discolored, fractured, non-vital central incisor. Read More

Oper Dent 2019 Jan/Feb;44(1):24-33. Epub 2018 Jul 30.

Objective:: This randomized clinical study evaluated two parameters: 1) the clinical color rebound of whitening patients' tooth discoloration using the walking bleaching technique and 2) the impact on psychological and aesthetic self-perception at the one-year follow-up of patients who underwent bleaching of nonvital teeth.

Methods And Materials:: Fifty study participants with nonvital tooth discoloration were recruited. Teeth were assigned randomly into one of two groups: 1) 35% hydrogen peroxide (n=25) and 2) 37% carbamide peroxide (n=25). Read More

Int J Clin Pharm 2018 Oct 26;40(5):1030-1036. Epub 2018 Jul 26.

Department of Pediatric Intensive Care Unit, Children's Hospital Zhejiang University School of Medicine, No. 3333, Binsheng Road, Hangzhou, 310052, China.

Background Severe infection is life-threatening in children with hematologic malignancies and its treatment is challenging because of an increasing number of multidrug-resistant pathogens. Tigecycline has an expanded antibacterial activity spectrum; some successful cases of tigecycline treatment have been reported in the literature. Objective To examine the efficacy and safety of tigecycline in children. Read More