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Pre-Eruptive Intracoronal Radiolucencies in permanent dentition of children in Tamil Nadu-A cross-sectional study.

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BACKGROUND Pre-eruptive intracoronal radiolucency (PEIR) poses a challenge to paediatric dentists as it cannot be clinically detected. AIM To estimate the prevalence and coexisting factors of PEIR in permanent teeth… Click to show full abstract

BACKGROUND Pre-eruptive intracoronal radiolucency (PEIR) poses a challenge to paediatric dentists as it cannot be clinically detected. AIM To estimate the prevalence and coexisting factors of PEIR in permanent teeth of children and adolescents in western Tamil Nadu, India. METHOD This cross-sectional study assessed 5012 digital panoramic radiographs of children and adolescents below 14 years of age obtained from private digital imaging centers, dental clinics, and dental colleges located in five districts of western Tamil Nadu. The prevalence and PEIR and its coexisting factors were assessed by two independent calibrated investigators. Data were analyzed using the chi-square test. RESULTS The subject prevalence and tooth prevalence of PEIR were estimated to be 3.2% and 0.4%, respectively. Maxillary canines and mandibular premolars were commonly involved. Majority of the lesions were limited to less than one-third of dentin thickness (74%) and distal aspect of the crown (45.1%). Ectopic positioning (9.3%) and dental caries in the preceding primary tooth (9.9%) were the most common coexisting factors. CONCLUSION Pre-Eruptive Intracoronal Radiolucency defects were commonly seen in maxillary canines, mandibular premolars, and distal aspect of the crown involving less than one-third dentin thickness. Ectopic positioning and caries in primary teeth were commonly seen along with the PEIR defects.

Keywords: tamil nadu; cross sectional; sectional study; pre eruptive; eruptive intracoronal; peir

Journal Title: International journal of paediatric dentistry
Year Published: 2021

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