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Tooth wear

L K Bandlish
No abstract text is available yet for this article.
October 21, 2016: British Dental Journal
F Spear
Some of the most challenging patients to produce a pleasing smile for are those who present with inadequate tooth display (either due to tooth position, the patient has normal size teeth, but they aren't exposed adequately to fill out the smile) or due to tooth size (the teeth are small, often due to tooth wear). The key to understanding how to manage these patients is to learn to understand the possible aetiologies that could produce the condition, and learn how to diagnose which aetiologies exist for your patient...
October 21, 2016: British Dental Journal
A Mulic, Ø Fredriksen, I D Jacobsen, A B Tveit, I Espelid, C G Crossner
AIM: To study the prevalence, distribution and severity of dental erosion among 16-year-old adolescents in the Troms region of Norway. MATERIALS AND METHODS: Study design: The participants were recruited through the Tromsø-study ("Fit Futures"), and 392 16-year-olds were examined for dental erosion using clinical intraoral photographs. Three calibrated clinicians used the Visual Erosion Dental Examination (VEDE) system to register and grade the dental erosive wear...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
Z Zingler, M Pritsch, C J Lux, S Kneist
AIM: To evaluate the correlation between clinical and salivary microbial parameters during treatment with removable orthodontic appliances with or without use of fluoride mouth rinse. MATERIALS AND METHODS: A group of 48 patients completed this randomized, controlled, parallel-group, clinical pilot study. 24 patients of the test group (TG) rinsed after tooth brushing with a fluoride mouth rinse (100 ppm AmF/150 ppm NaF) while 21 patients of the control group (CG) did not...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
Kazuki Takaoka, Emi Segawa, Michiyo Yamamura, Yusuke Zushi, Masahiro Urade, Hiromitsu Kishimoto
Dental implants play an important role in postoperative rehabilitation after surgical treatment of oral cancer through the provision of prosthetic tooth replacement. Two major implant prosthesis designs are available: fixed implant-supported prostheses and implant-supported overdentures. We herein report a case of a 16-year-old female patient who underwent alveolar ridge resection for treatment of mandibular gingival carcinoma. Following surgery, oral rehabilitation was attempted using an implant-supported overdenture on a gold bar retainer splinting four implants...
December 2015: Int J Implant Dent
P Wetselaar
Numerous ranking systems exist for the quantification of tooth wear, each unfortunately with its own particular shortcomings. In this dissertation a new and very comprehensive tooth wear evaluation system is described. In it, the existing terminology is adapted to distinguish among mechanical-intrinsic (formerly attrition), mechanical-extrinsic (formerly abrasion), chemical-intrinsic (formerly erosion) and chemical-extrinsic (formerly erosion). In order to indicate the degree of wear, the terms mild, moderate, serious and severe are used...
October 2016: Nederlands Tijdschrift Voor Tandheelkunde
Abhishek Singh, Abhishek Nagpal, Salil Pawah, Chetan Pathak, Gaurav Issar, Pankaj Sharma
INTRODUCTION: In an attempt to minimize wear damage to the enamel of antagonist teeth, new low and medium fusing ceramic materials have been developed. Manufacturers usually claim that these ceramics are wear-friendly because of their lower hardness, lower concentrations of crystal phase, and smaller crystal sizes. This study aimed to quantitatively analyze the wear strength of various commercially available dental porcelain with tooth enamel as well as the surface hardness of these dental porcelain...
September 1, 2016: Journal of Contemporary Dental Practice
Moreangels M Mbizah, Gerhard Steenkamp, Rosemary J Groom
African wild dogs (Lycaon pictus) are endangered and their population continues to decline throughout their range. Given their conservation status, more research focused on their population dynamics, population growth and age specific mortality is needed and this requires reliable estimates of age and age of mortality. Various age determination methods from teeth and skull measurements have been applied in numerous studies and it is fundamental to test the validity of these methods and their applicability to different species...
2016: PloS One
X P Luo
Tooth wear has complex and multi-factorial etiologies that result in the surface loss of dental hard tissues. Clinic prevention and restorative technology of tooth wear are challenge for dentists with the increasing numbers of population and the transition of disease age. From the etiology and classification of tooth wear, it is crucial to accurately assess and diagnose a patient presenting with tooth wear. Fluoride application, sealant and resin bonded restoration are beneficial to manage the mild tooth wear...
October 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
S Barone, A Paoli, A V Razionale, R Savignano
Transparent and removable aligners represent an effective solution to correct various orthodontic malocclusions through minimally invasive procedures. An aligner-based treatment requires patients to sequentially wear dentition-mating shells obtained by thermoforming polymeric disks on reference dental models. An aligner is shaped introducing a geometrical mismatch with respect to the actual tooth positions to induce a loading system, which moves the target teeth toward the correct positions. The common practice is based on selecting the aligner features (material, thickness, and auxiliary elements) by only considering clinician's subjective assessments...
October 5, 2016: International Journal for Numerical Methods in Biomedical Engineering
Peter Wetselaar, Jan H Vermaire, Corine M Visscher, Frank Lobbezoo, Annemarie A Schuller
This study aimed to assess the prevalence of tooth wear in different age groups of the Dutch adult population and to determine this tooth wear distribution by gender, socioeconomic class, and type of teeth. Results were compared with the outcomes of a previous study in a comparable population. As part of a comprehensive investigation of the oral health of the general Dutch adult population in 2013, tooth wear was assessed among 1,125 subjects in the city of 's-Hertogenbosch. The data collected were subjected to stratified analysis by 5 age groups (25-34, 35-44, 45-54, 55-64, and 65-74 years), gender, socioeconomic class, and type of teeth...
October 1, 2016: Caries Research
Mary H M Li, Eduardo Bernabé
OBJECTIVE: To explore the association between tooth wear and quality of life among adults in the United Kingdom, independently of sociodemographic factors and other common oral conditions. METHODS: We used data from 5654 dentate adults who participated in the 2009 Adult Dental Health Survey. Tooth wear was assessed during clinical examination and classified as none, mild, moderate and severe based on the worst affected tooth recorded. The numbers of teeth with mild, moderate and severe tooth wear were used as alternative measures...
September 28, 2016: Journal of Dentistry
Peter W Lucas, Ridwaan Omar, Khaled Al-Fadhalah, Abdulwahab S Almusallam, Amanda G Henry, Shaji Michael, Lidia Arockia Thai, Jörg Watzke, David S Strait, Adam van Casteren, Anthony G Atkins
No abstract text is available yet for this article.
September 27, 2016: Journal of Human Evolution
Bangalore H Durgesh, Saleh Alhijji, Mohamed I Hashem, AbdulAziz A Al Kheraif, Pavithra Durgesh, Mohamed Elsharawy, Pekka K Vallittu
BACKGROUND: Adhesive resin composite, which is used to bond orthodontic bracket to tooth surface is exposed to the influence of wear by tooth brushing and wear may influence loosening of the bracket. OBJECTIVE: The aim of this study was to evaluate in vitro the effect of tooth brushing on the adhesion strength of orthodontic brackets bonded to surface treated porcelain. METHOD: A total of 90 glazed porcelain fused to metal facets (PFM) were randomly assigned into 3 groups according to the surface treatment to be received...
September 28, 2016: Bio-medical Materials and Engineering
Y-L Tsai, W-C Liao, C-Y Wang, M-C Chang, S-H Chang, S-F Chang, C-W Chang, Y-D Huang, C-P Chan, J-H Jeng
AIM: To describe the clinical characteristics and radiographic findings of horizontal root fractures (HRF) in posterior teeth without a history of dental trauma. METHODOLOGY: A total 24 patients and 31 HRF cases in 28 posterior teeth were collected from 2006 to 2015. Clinical examinations and radiographic imaging were evaluated. Value of confidence intervals of the proportions were calculated for data presentation. RESULTS: The number of males (54%) was similar to females (46%)...
September 28, 2016: International Endodontic Journal
Ivan Calandra, Gaëlle Labonne, Ellen Schulz-Kornas, Thomas M Kaiser, Sophie Montuire
In mammals, tooth function, and its efficiency, depends both on the mechanical properties of the food and on chewing dynamics. These aspects have rarely been studied in combination and/or at the intra-specific level. Here we applied 3D dental surface texture analysis to a sample of field voles (Microtus agrestis) trapped from Finnish Lapland at different seasons and localities to test for inter-population variations. We also explored intra-individual variation in chewing dynamics by analysing two facets on the second upper molars...
2016: Scientific Reports
J Lang, S Birkenbeil, S Bock, R Heinrich-Weltzien, K Kromeyer-Hauschild
Aim of this study was to investigate the frequency and type of developmental defects of enamel (DDE) in a medieval and an early-modern-age population from Thuringia, Germany. Sixty-six skeletons subdivided into 31 single burials (12(th)/13(th) c.) and 35 individuals buried in groups (15(th)/16(th) c.) were examined. DDE were classified on 1,246 teeth according to the DDE index. Molar-incisor-hypomineralisation (MIH), a special type of DDE, was recorded according to the European Academy of Paediatric Dentistry (EAPD) criteria...
August 25, 2016: Anthropologischer Anzeiger; Bericht über die Biologisch-anthropologische Literatur
F H van de Sande
The article describes studies aimed at investigating factors that can influence composite restoration survival in posterior teeth, focusing on the main reasons for failure of direct restorations - fracture and secondary-caries. Since direct composite resin restaurations seem to be more prone to secondary caries when compared to amalgam, one study was performed to evaluate the influence of materials on secondary caries lesion formation in situ. Also, in most clinical studies evaluating restoration survival, there is a tendency to focus on materials factors...
September 2016: Nederlands Tijdschrift Voor Tandheelkunde
Gildas Merceron, Anusha Ramdarshan, Cécile Blondel, Jean-Renaud Boisserie, Noël Brunetiere, Arthur Francisco, Denis Gautier, Xavier Milhet, Alice Novello, Dimitri Pret
Both dust and silica phytoliths have been shown to contribute to reducing tooth volume during chewing. However, the way and the extent to which they individually contribute to tooth wear in natural conditions is unknown. There is still debate as to whether dental microwear represents a dietary or an environmental signal, with far-reaching implications on evolutionary mechanisms that promote dental phenotypes, such as molar hypsodonty in ruminants, molar lengthening in suids or enamel thickening in human ancestors...
September 14, 2016: Proceedings. Biological Sciences
Mateja Petrović, Sebastian Kühl, Martina Šlaj, Thomas Connert, Andreas Filippi
Handball has developed into a much faster and high-impact sport over the past few years because of rule changes. Fast sports with close body contact are especially prone to orofacial trauma. Handball belongs to a category of sports with medium risk for dental trauma. Even so, there is only little literature on this subject. The aim of this study was to examine the prevalence and the type of injuries, especially the occurrence of orofacial trauma, habits of wearing mouthguards, as well as degree of familiarity with the tooth rescue box...
2016: Swiss Dental Journal
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