Background: Intra-oral periapical radiographs are the most frequently requested radiographic examination and an indispensable tool in the diagnosis of dental diseases. The repeated exposures to these radiographic examinations pose a risk especially to the thyroid gland due to the proximity to dental structures. This study was conducted to evaluate the surface dose received by the thyroid gland during intra-oral periapical (IOPA) radiographic exposures. Aim: To measure the entrance surface dose to the thyroid gland and compare the mean surface dose received by the thyroid during maxillary and mandibular anterior & posterior intraoral periapical radiography.
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Saswati Priyadarshini (2021) studied this question.
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