지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.5
- 수록면
- 189 - 198 (10page)
이용수
초록· 키워드
오류제보하기
Objective: To estimate the projected cancer risk attributable to diagnostic cone-beam computed tomography (CBCT) performed under different exposure settings for orthodontic purposes in children and adults. Methods: We collected a list of CBCT machines and their specifications from 38 orthodontists. Organ doses were estimated using median and maximum exposure settings of 105 kVp/156.8 mAs and 130 kVp/200 mAs, respectively. The projected cancer risk attributable to CBCT procedures performed 1–3 times within 2 years was calculated for children (aged 5 and 10 years) and adult (aged 20, 30, and 40 years) male and female patients. Results: For maximum exposure settings, the mean lifetime fractional ratio (LFR) was 14.28% for children and 0.91% for adults; this indicated that the risk to children was 16 times the risk to adults. For median exposure settings, the mean LFR was 5.25% and 0.58% for children and adults, respectively. The risk of cancer decreased with increasing age. For both median and maximum exposure settings, females showed a higher risk of cancer than did males in all age groups. Cancer risk increased with an increase in the frequency of CBCT procedures within a given period. Conclusions: The projected dental CBCT-associated cancer risk spans over a wide range depending on the machine parameters and image acquisition settings. Children and female patients are at a higher risk of developing cancer associated with diagnostic CBCT. Therefore, the use of diagnostic CBCT should be justified, and protective measures should be taken to minimize the harmful biological effects of radiation.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (30)
참고문헌 신청
Adams GL / 2004 / Comparison between traditional 2-dimensional cephalometry and a 3-dimensional approach on human dry skulls / Am J Orthod Dentofacial Orthop 126:397~409
Tronje G / 1981 / Image distortion in rotational panoramic radiography. I. General considerations / Acta Radiol Diagn (Stockh) 22(3A):295~299
Loubele M / 2009 / Comparison between effective radiation dose of CBCT and MSCT scanners for dentomaxillofacial applications / Eur J Radiol 71:461~468
Suomalainen A / 2008 / Accuracy of linear measurements using dental cone beam and conventional multislice computed tomography / Dentomaxillofac Radiol 37:10~17
Kapila SD / 2015 / CBCT in orthodontics : assessment of treatment outcomes and indications for its use / Dentomaxillofac Radiol 44:20140282
Tronje G / 1981 / Image distortion in rotational panoramic radiography. I. General considerations / Acta Radiol Diagn (Stockh) 22(3A):295~299
Loubele M / 2009 / Comparison between effective radiation dose of CBCT and MSCT scanners for dentomaxillofacial applications / Eur J Radiol 71:461~468
Suomalainen A / 2008 / Accuracy of linear measurements using dental cone beam and conventional multislice computed tomography / Dentomaxillofac Radiol 37:10~17
Kapila SD / 2015 / CBCT in orthodontics : assessment of treatment outcomes and indications for its use / Dentomaxillofac Radiol 44:20140282
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UCI(KEPA) : I410-ECN-0101-2021-515-001725755