The incidence rate of caries on individual tooth surfaces and its distribution by age and gender in clinic patients of Hawler Medical University/College of Dentistry: a retrospective cross-sectional study.
Keywords:Dental caries, tooth surface, G.V. Black classification, age, gender
Background and objectives: Dental caries is one of the most prevalent chronic diseases, which is caused by cariogenic oral bacteria. This study is aimed to realize the distribution of caries on individual permanent tooth surfaces, and compares these results among various age groups and gender.
Methods: This cross-sectional study was conducted among clinic patients of Hawler Medical University/College of Dentistry in Erbil Governorate, Kurdistan, Iraq, over a span of four months in 2021. Thousand carious teeth were recorded in the Conservative Department. Individuals who reported, being over the age of 12 years old. Data were analyzed using Statistical Package for the Social Sciences (SPSS), version 25.
Results: Maxillary teeth (54.1%) were more susceptible to caries than mandibular teeth (45.9%). Caries incidence was the highest on the mandibular first molar (18.5%) and maxillary central incisor (18.4%). Class I caries was the most common type of carious lesion (32.2%). The incidence of caries was the highest among the individuals of age group II (20-39 Years). Females (54.6%) showed a higher caries incidence than males (45.4%).
Conclusion: The most prevalent tooth surface was the occlusal surface (Class I). The mandibular first molar was the most susceptible tooth to dental caries. Besides that, females were found to be more prone to caries than males, and group II (20-39 years) had the highest rate of caries occurrence.
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