نتایج جستجو برای: tooth structure

تعداد نتایج: 1632769  

Journal: :Journal of prosthodontics : official journal of the American College of Prosthodontists 2000
M McCracken S J O'Neal

The causes of tooth erosion are varied, but all are associated with a chemical attack on the teeth and resulting loss of tooth structure. Etiologic factors related to erosion cited in the literature include bulimia, eating acidic foods, soft drink consumption, acid reflux, and swimming, among others. This clinical report suggests that chronic use of headache powders can also be a factor leading...

Journal: :journal of dentistry, tehran university of medical sciences 0
najmeh akhlaghi dental research center, department of pediatric dentistry, school of dentistry, isfahan university of medical sciences, isfahan, iran. ali-reza eshghi dental research center, department of pediatric dentistry, school of dentistry, isfahan university of medical sciences, isfahan, iran. mehrnaz mohamadpour dental research center, department of pediatric dentistry, school of dentistry, isfahan university of medical sciences, isfahan, iran.

dentinogenesis imperfecta (di) is a hereditary dentin defect caused by an autosomal dominant mutation in dentin sialophosphoprotein gene. defective dentin development results in discolored teeth that are prone to wear and fracture. early diagnosis and proper treatment are necessary to achieve better functional and esthetic results and minimize nutritional deficiencies and psychosocial distress....

2011
Pramita Suwal P Suwal A Sultana

Introduction: This study was designed to observe the success of three quarter crown over conventional full veneer crown in the posterior teeth (premolars and molars) where there has been considerable destruction of tooth structure but with the buccal surface remaining intact. Method: A total number of 30 patients were studied. Among which 15 patients were treated with three quarter crown and re...

2013
Christine Dirxen Uwe Blunck Saskia Preissner

BACKGROUND The development of ceramics during the last years was overwhelming. However, the focus was laid on the hardness and the strength of the restorative materials, resulting in high antagonistic tooth wear. This is critical for patients with bruxism. OBJECTIVES The purpose of this study was to evaluate the clinical performance of the new double hybrid material for non-invasive treatment...

2017
Steven W McCormack Ulrich Witzel Peter J Watson Michael J Fagan Flora Gröning

Alveolar bone remodelling is vital for the success of dental implants and orthodontic treatments. However, the underlying biomechanical mechanisms, in particular the function of the periodontal ligament (PDL) in bone loading and remodelling, are not well understood. The PDL is a soft fibrous connective tissue that joins the tooth root to the alveolar bone and plays a critical role in the transm...

2016
Yun-Jong Park Seunghee Cha Young-Seok Park

Tooth derived stem cells or dental stem cells are categorized according to the location from which they are isolated and represent a promising source of cells for regenerative medicine. Originally, as one kind of mesenchymal stem cells, they are considered an alternative of bone marrow stromal cells. They share many commonalties but maintain differences. Considering their original function in d...

2012
Matthias Scherge Sandra Sarembe Andreas Kiesow Matthias Petzold

Dental wear caused by tooth care is a complex phenomenon that depends on the quality of the tooth material, the type of toothbrush and the brushing slurry. Tooth wear is commonly determined in abrasion experiments using a standardized toothbrush in contact with a radioactively labeled dentin sample (RDA method). The increase of radioactivity in the slurry is a direct and highly-sensitive indica...

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