نتایج جستجو برای: tooth selection
تعداد نتایج: 404824 فیلتر نتایج به سال:
AIM There is limited scientific information on the relationship between tooth shade, age, gender, and skin color in black Africans. This lack of knowledge may impact the ability of the prosthodontist to select artificial teeth for completely edentulous patients. This study explores the possibility of a relationship between tooth shade, gender, age, and skin color in a black African population. ...
INTRODUCTION Tooth display and lip position in smiling and speech are important esthetic aspects in orthodontics and dentofacial surgery. The spontaneous smile and speech are considered valuable diagnostic criteria in addition to the posed social smile. A method was developed to measure tooth display in both smile types and speech. METHODS The faces of 20 subjects were individually filmed. Sp...
Objectives. The purpose of the study was to investigate the relation between skin and tooth colour parameters in various ethnic groups. Materials and Methods. Saudi Arabian, Indian, African, and East Asian ethnic groups of 75 each were included in the study. The tooth colour was determined by spectrophotometer in CIELAB parameters. The skin colour was measured at earlobe, forehead, and malar lo...
STATEMENT OF THE PROBLEM No recent literature has reviewed the current scientific knowledge on complete coverage tooth preparations. PURPOSE This article traces the historic evolution of complete coverage tooth preparations and identifies guidelines for scientific tooth preparations. MATERIAL AND METHODS Literature covering 250 years of clinical practice was reviewed with emphasis on scient...
BACKGROUND Several tooth whiteners are available on the market, and the ideal choice should be determined by efficacy and optimal clinical results. OBJECTIVES The purpose of this study was to compare the reported clinical success rates of different tooth whitening products. SEARCH STRATEGY The relevant literature (1998 - 2011) was studied, using as sources the databases: Google Scholar, Sci...
The form of two hard tissues of the mammalian tooth, dentine and enamel, is the result of a combination of the phylogenetic inheritance of dental traits and the adaptive selection of these traits during evolution. Recent decades have been significant in unveiling developmental processes controlling tooth morphogenesis, dental variation and the origination of dental novelties. The enamel-dentine...
A study was performed to examine the correlation between maxillary central incisor tooth form and face form in males and females in an Indian population. The selection of prosthetic teeth for edentulous patients is a primary issue in denture esthetics, especially in the case of maxillary central incisors, which are the most prominent teeth in the arch. Two hundred dental students of Indian orig...
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
It’s important to preserve the natural tooth structure and also supporting structures as well those areas where prostheses are placed. This case report carries an ingenious approach for a removable prosthesis 56-year-old male patient based on his willingness maintain teeth not opt extraction thus selection of abutment was done accordingly.
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