Abstract
Measurement Of Surface Dose To The Thyroid Gland In Intraoral Radiography
Highlights
Imaging plays an integral part in the diagnosisand treatment planning in dental practice.Dental radiographs comprise the most frequent diagnostic radiographic examination [1] and among them intra oral radiographs are the most common and frequently taken radiographs.[2]
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
It is considered that the radiation dose from dental radiology is minimal the unwarranted and repeated exposure of this gland during dental radiographic procedures may lead to thyroid dysfunction resulting in autoimmune thyroiditis and papillary thyroid carcinoma in young women and thyroid cysts in women of all ages.[3] with increasing age at exposure the risk of radiation induced thyroid cancer decreases,[5] thyroid protection is recommended in dental radiography when it does not interfere with the exposure and the quality of the image.[6]
Summary
Imaging plays an integral part in the diagnosisand treatment planning in dental practice.Dental radiographs comprise the most frequent diagnostic radiographic examination [1] and among them intra oral radiographs are the most common and frequently taken radiographs.[2]. The purpose of these examinations range from diagnostic, restorative purpose, to treatment planning and follow up. This study was conducted to evaluate the surface dose received by the thyroid gland during intra-oral periapical (IOPA) radiographic exposures. Conclusion: The surface dose received by the thyroid gland during intraoral radiography may be considered low but the frequency of such exposures may pose a risk to the radiosensitive thyroid gland. The thyroid gland should be protected during routine IOPA radiographic techniques
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