Establishment of national diagnostic reference levels in dental cone beam computed tomography in Switzerland.

Deleu, Marine; Dagassan, Dorothea; Berg, Isabelle; Bize, Julie; Dula, Karl; Lenoir, Vincent; Ott, Barbara; Ott, Julien; Verdun, Francis R; Weber, Robert; Ziglinas, Panagiotis; Zingariello, Cesare; Sans Merce, Marta (2020). Establishment of national diagnostic reference levels in dental cone beam computed tomography in Switzerland. Dento maxillo facial radiology, 49(6), p. 20190468. British Institute of Radiology 10.1259/dmfr.20190468

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OBJECTIVES

The aim of this study was to establish diagnostic reference levels (DRLs) in the field of dental maxillofacial and ear-nose-throat (ENT) practices using cone beam CT (CBCT) in Switzerland.

METHODS

A questionnaire was sent to owners of CBCTs in Switzerland; to a total of 612 institutions. The answers were analyzed for each indication, provided that enough data were available. The DRLs were defined as the 75th percentile of air kerma product distribution (PKA).

RESULTS

227 answers were collected (38% of all centers). Third quartile of PKA values were obtained for five dental indications: 662 mGy cm² for wisdom tooth, 683 mGy cm² for single tooth implant treatment, 542 mGy cm² for tooth position anomalies, 569 mGy cm² for pathological dentoalveolar modifications, and 639 mGy cm² for endodontics. The standard field of view (FOV) size of 5 cm in diameter x 5 cm in height was proposed.

CONCLUSIONS

Large ranges of FOV and PKA were found for a given indication, demonstrating the importance of establishing DRLs as well as FOV recommendations in view of optimizing the present practice. For now, only DRLs for dental and maxillofacial could be defined; because of a lack of ENT data, no DRL values for ENT practices could be derived from this survey.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Radiation Oncology
04 Faculty of Medicine > School of Dental Medicine > Department of Oral Surgery and Stomatology

UniBE Contributor:

Dula, Karl and Ott, Julien

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0250-832X

Publisher:

British Institute of Radiology

Language:

English

Submitter:

Caroline Balz

Date Deposited:

04 Jan 2021 10:14

Last Modified:

10 Jan 2021 02:49

Publisher DOI:

10.1259/dmfr.20190468

PubMed ID:

32267774

Uncontrolled Keywords:

Clinical DRL Cone beam computed tomography Dental Radiography Diagnostic reference level Dose area product

BORIS DOI:

10.48350/147223

URI:

https://boris.unibe.ch/id/eprint/147223

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