engleski

The prevalence of non-carious cervical lesions in permanent dentition

A non-carious cervical lesion (NCCL) is the loss of hard dental tissue on the neck of the tooth, most frequently located on the vestibular plane. Causal agents are diverse and mutually interrelated. In the present study all vestibular non-carious cervical lesions were observed and recorded by The Tooth Wear Index (TWI) (Smith & Knight). The aim of the study was to determine the prevalence and severity of NCCL. For this puspose, 18, 555 teeth of permanent dentition were examined in a population from the city of Rijeka, Croatia. Subjects were divided into six age groups, and the examined lesions were divided into pathological and acceptable. The teeth with most NCCL were the lower premolars, which also had the largest percentage of higher index levels, indicating the greater severity of the lesions. The most frequent index level was 1, and the prevalence and severity of the lesions increased with age.

cervical lesions; tooth flexure; epidemiology

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