Postdischarge radiation exposure from I-131-treated thyroid cancer patients: implications for dental practice.

IF 2.4 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Oral Surgery Oral Medicine Oral Pathology Oral Radiology Pub Date : 2026-08-26 DOI:10.1016/j.oooo.2026.08.009

Emine Tuna Akdoğan, Enes Malik Pınarbaşı, Sinem Coşkun, Nami Yeyin, Ghada ALMisned, Huseyin Ozan Tekin, Mustafa Demir

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引用次数: 0

Abstract

Objectives: This study evaluated, for the first time, the radiation exposure of dentists examining thyroid cancer patients following radioactive iodine (RAI) therapy.

Study design: External dose-rate measurements were performed at distances of 5-100 cm in 93 differentiated thyroid carcinoma (DTC) patients between Days 1 and 7 after discharge. Patients were classified according to administered RAI activity as Group I (1110-2775 MBq, n = 31) and Group II (3700-7400 MBq, n = 62). Measurements were obtained in the anterior oblique position with patients seated upright to simulate dental examination conditions.

Results: In Group I, the cumulative radiation dose potentially received by a dentist was 461.75 µSv on Day 1 after discharge, decreasing to 112 µSv and 92 µSv on Days 2 and 3, respectively. In Group II, cumulative doses on Days 1-4 after discharge were 1148 µSv, 447 µSv, 73 µSv, and 37 µSv, respectively.

Conclusions: The findings indicate that patients receiving <3700 MBq RAI may safely undergo dental examination approximately 24-26 hours after discharge with appropriate radiation protection precautions, whereas dental treatment in patients receiving ≥3700 MBq RAI should preferably be postponed for at least 48 hours to maintain occupational exposure below the 1 mSv public dose limit.

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来源期刊

Oral Surgery Oral Medicine Oral Pathology Oral Radiology DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.80

自引率

6.90%

发文量

1217

审稿时长

2-4 weeks

期刊介绍： Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology is required reading for anyone in the fields of oral surgery, oral medicine, oral pathology, oral radiology or advanced general practice dentistry. It is the only major dental journal that provides a practical and complete overview of the medical and surgical techniques of dental practice in four areas. Topics covered include such current issues as dental implants, treatment of HIV-infected patients, and evaluation and treatment of TMJ disorders. The official publication for nine societies, the Journal is recommended for initial purchase in the Brandon Hill study, Selected List of Books and Journals for the Small Medical Library.