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  • Title: Investigation of prevalence of dental anomalies by using digital panoramic radiographs.
    Author: Bilge NH, Yeşiltepe S, Törenek Ağırman K, Çağlayan F, Bilge OM.
    Journal: Folia Morphol (Warsz); 2018; 77(2):323-328. PubMed ID: 28933802.
    Abstract:
    BACKGROUND: This study was performed to evaluate the prevalence of all types and subtypes of dental anomalies among 6- to 40-year-old patients by using panoramic radiographs. MATERIALS AND METHODS: This cross-sectional study was conducted by analysing digital panoramic radiographs of 1200 patients admitted to our clinic in 2014. Dental anomalies were examined under 5 types and 16 subtypes. Dental ano-malies were divided into 5 types: (a) number (including hypodontia, oligodontia and hyperdontia); (b) size (including microdontia and macrodontia); (c) structure (including amelogenesis imperfecta, dentinogenesis imperfecta and dentin dys-plasia); (d) position (including transposition, ectopia, displacement, impaction and inversion); (e) shape (including fusion-gemination, dilaceration and taurodontism). RESULTS: The prevalence of dental anomalies diagnosed by panoramic radiographs was 39.2% (46% in men and 54% in women). Anomalies of position (60.8%) and shape (27.8%) were the most common types of abnormalities and anomalies of size (8.2%), structure (0.2%) and number (17%) were the least in both genders. Anomalies of impaction (45.5%), dilacerations (16.3%), hypodontia (13.8%) and taurodontism (11.2%) were the most common subtypes of dental anomalies. Taurodontism was more common in the age groups of 13-19 years. The age range of the most frequent of all other anomalies was 20-29. CONCLUSIONS: Anomalies of tooth position were the most common type of dental anomalies and structure anomalies were the least common in this Turkish po-pulation. The frequency and type of dental anomalies vary within and between populations, confirming the role of racial factors in the prevalence of dental ano-malies. Digital panoramic radiography is a very useful method for the detection of dental anomalies. (Folia Morphol 2018; 77, 2: 323-328).
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