INTRODUCTION Adequate tooth-size ratios are required to ensure the satisfactory outcome of orthodontic treatment. Consequently, various methods of measuring tooth-size ratios have been developed being the Bolton ratio the most commonly accepted, known and used one. This ratio depending directly on mesiodistal tooth size has been associated with different ethnic backgrounds. Some authors suggest...

background and aims. tooth loss may lead to mastication disability, which in turn has important impact on individual’s quality of life. social and psychological factors have been shown to be associated with tooth loss. this study aimed to investigate the social determinants and prevalence of tooth loss, and presence of functional dentition among female heads of household under support of welfar...

The aims of this study were to identify possible gender-related differences in tooth size ratios, to determine whether there is a prevalence for intermaxillary tooth size discrepancies in any malocclusion group, and to detect the percentage of tooth size discrepancies outside 1 or 2 standard deviations (SDs) from Bolton's mean. The material comprised the models of 500 subjects (284 females and ...