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ORIGINAL ARTICLE
Year : 2010  |  Volume : 1  |  Issue : 2  |  Page : 83-87

Evaluation of surface radiation dose to the thyroid gland and the gonads during routine full-mouth intraoral periapical and maxillary occlusal radiography


1 Department of Oral Medicine and Radiology, M.M. College of Dental Sciences and Research, Mullana, Ambala, Haryana, India
2 Department of Oral Medicine and Radiology, I.T.S. Ghaziabad, Uttar Pradesh, India

Correspondence Address:
Soheyl Sheikh
Department of Oral Medicine and Radiology, Mullana, Ambala, Haryana - 133 203
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-237X.68597

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Aim: The quantitative aspects of radiation doses to critical organs can help the dental professionals to take the necessary radiation protective measures as deemed necessary and can help the general public to allay radiation exposure fear in dental radiography, if any. Our study determines the surface radiation dose to thyroid and gonads in full-mouth intraoral periapical (IOPA) and maxillary occlusal radiography.Materials and Methods: A total number of 120 subjects participated in the study. The surface radiation dose was estimated to the thyroid gland and the gonads in full-mouth IOPA radiography using 10 IOPA (E speed films) and in maxillary occlusal radiography. The measurements were calculated using a digital pocket dosimeter (PD-4507).Results: The average dose at the thyroid gland level during full-mouth intraoral and maxillary occlusal radiography was estimated to be 10.93 mRads (1.093 Χ 10 -2 mGy) and 0.4 mRads (4.0 Χ 10 -2 mGy), respectively. The average surface radiation dose at the gonadal region during a full mouth intraoral and maxillary occlusal radiography was estimated to be 1.5 mRads (1.5 Χ 10 -2 mGy) and 0.15 mRads (1.5 Χ 10 -3 mGy), respectively. Conclusion: Our results suggest that although the radiation exposure doses to critical organs namely thyroid and gonads is within the safe limits still precautionary measures for these organs are advocated.


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