Epidemiology and risk factors of wedge-shaped defects in a Swiss population.

摘要: The purpose of this study was to determine the prevalence wedge-shaped abrasion defects in teeth an adult Swiss population. 980 letters explaining were sent randomly selected subjects. 391 persons (40%) belonging two age groups (26-30 and 46-50 years) checked for frequency severity lesions on all buccal tooth surfaces. Furthermore patients asked about dietary prophylactic habits as well other factors possibly relevant study. severe 19.1% younger, 47.2% older group, with a mean 3 affected per person (pooled group). On average, 34.8% suffered from hypersensitivity. 84.6% examinees complained hypersensitivity at these sites. It is concluded that cause considerable problems more than one third population, such are often combined teeth.