Clinical guidelines for dental cone-beam computed tomography

Hayashi, Takafumi; Arai, Yoshinori; Chikui, Toru; Hayashi-Sakai, Sachiko; Honda, Kazumasa; Indo, Hiroko P.; Kawai, Taisuke; Kobayashi, Kaoru; Murakami, Shumei; Nagasawa, Masako; Naitoh, Munetaka; Nakayama, Eiji; Nikkuni, Yutaka; Nishiyama, Hiroaki; Shoji, Nobuyuki; Suenaga, Shigeaki; Tanaka, Ray

doi:10.1007/s11282-018-0314-3

Cited by 35 publications

(22 citation statements)

References 123 publications

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“…Guidelines were first established at the international level by the American Academy of Oral and Maxillofacial Radiology in 2008 [65] and the European Academy of Dental and Maxillofacial Radiology (EADMFR) in 2009 [66], and further complemented by the EU-funded SEDENTEXCT consortium with its Safety and Efficacy of a New and Emerging Dental X-ray Modality research project in 2012 [40]. In addition to the European guidelines, national guidelines from different countries are also available, including a recent review compiling and summarising the CBCT-related guidelines from organisations and associations within North America [8,40,67]. Although the SEDENTEXCT panel members stated that especially the referral criteria should be reviewed and updated at intervals of no>5 years, financial support for reviewing the guidelines is unfortunately still insufficient [40,68].…”

Section: Guidelinesmentioning

confidence: 99%

“…Traditional dental x-ray imaging has for decades applied 2D image acquisition and panoramic mode. However, superposition of true volumetric anatomy in these overlaid 2D images conceals potentially important clinical findings that would require multiplanar visualisation to reveal local and typically focal findings in any possible orientation [3,5,7,8]. More specifically, due to human anatomy, projection radiography and panoramic imaging of the dental area are mainly performed from the mediolateral direction (from outside of the jaw towards inside of the oral cavity).…”

Section: Introductionmentioning

confidence: 99%

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Dental cone beam CT: An updated review

et al. 2021

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Cone beam computed tomography (CBCT) is a diverse 3D x-ray imaging technique that has gained significant popularity in dental radiology in the last two decades. CBCT overcomes the limitations of traditional twodimensional dental imaging and enables accurate depiction of multiplanar details of maxillofacial bony structures and surrounding soft tissues. In this review article, we provide an updated status on dental CBCT imaging and summarise the technical features of currently used CBCT scanner models, extending to recent developments in scanner technology, clinical aspects, and regulatory perspectives on dose optimisation, dosimetry, and diagnostic reference levels. We also consider the outlook of potential techniques along with issues that should be resolved in providing clinically more effective CBCT examinations that are optimised for the benefit of the patient.

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Section: Guidelinesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Dental cone beam CT: An updated review

et al. 2021

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“…Ethical and radiobiological aspects must nonetheless be accounted for. Protection of the patient in accordance with the ALADA principle (as low as diagnostically acceptable) is imperative [24]. Furthermore, pursuant to § 8 of the Radiation Protection Act, the benefits to health must invariably prevail over the risks of radiation [25].…”

Section: Discussionmentioning

confidence: 99%

The comparison of roof visibility of the mandibular canal between cone-beam computed tomography scans and panoramic radiograph images as dependent on the cortical bone thickness of the mandible

Ketabi¹,

Zelka²,

Lauer

et al. 2021

Int J Implant Dent

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Background Accurate detection of the mandibular canal is a difficult process despite cutting-edge radiographic methods. The present study analyses whether mandibular canal roof visibility is comparable to panoramic radiography (PR) and cone-beam computed tomography (CBCT) and, further, examines whether the visibility in PR and CBCT is dependent on cortical bone thickness in the mandible. Methods This study was conducted on a group of 343 selected patients. It incorporated anonymised data on 343 patients in which a CBCT and PR were available. The first stage examines whether the mandibular canal roof visibility is comparable to PR and CBCT. In the second stage, measurements of cortical bone thickness showed buccal and lingual in the P2, M1, M2 and M3 teeth areas, both to the left and right of the mandible in CBCT images. Statistical analysis was supported by statistical software (IBM SPSS 25; Armonk, NY, USA). Results The mean age of the patients was 58.8 years with an almost equal gender distribution. When performing a McNemar test on the P2, M1, M2 and M3 on both the left and right jaws, the difference between the two image modalities, with regard to the visibility of the canal roof, was found to be significant (McNemar test, p < 0.001). Statistically (U test, p≥0.05), it follows that the thickness of the cortical bone of the mandible exerts no influence on the visibility of the roof of canalis mandibulae in PR and CBCT images. Conclusion We conclude that the visibility of the mandibular canal in PR and CBCT rays is not identical, and that the thickness of the cortical bone in the mandible does not represent a factor affecting the visibility of the roof of the mandibular canal.

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“…Before the advent of CBCT, panoramic radiography (PR) was the most common imaging tool in oral and maxillofacial surgery [2]. Although surgical practice is successful in the vast majority of cases, the limitations of this technique include variable magni cation, distortion, overlapping structures, air shadows, and inaccurate images of structures that are not within the focal plane [2][3][4]. CBCT has overcome these limitations due to its wide range of applications in dentistry, from diagnosis to treatment planning [1,2].…”

Section: Introductionmentioning

confidence: 99%

Use of Cone Beam Computed Tomography in the Differential Diagnosis of Jaw Bone Lesions

Carneiro

Tolentino

Aquaroni

et al. 2021

Preprint

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Background/Objective: This study aims to describe in detail the characteristics of the different jaw bone lesions seen in cone beam computed tomography examinations, from a retrospective analysis. Methods: All the preoperative examinations of cone beam computed tomography of intraosseous lesions of the jaws were retrospectively reviewed from patients treated at the Department of Stomatology of a Brazilian University, from 2008 to 2017. The following data were collected: sex, age, location, density and size of the lesion, relation to an unerupted tooth, margins, cortical and/or perforation, tooth displacement, root resorption, presence of calcifications, and proximity to anatomical structures. Fisher's exact test was used to verify associations between the variables. Results: We identified 28 lesions, all of which were benign: 14 odontogenic keratocysts, 5 odontomas, 3 dentigerous cysts, 2 ameloblastomas, 1 ameloblastic fibro-odontoma, 1 cementoblastoma, 1 adenomatoid odontogenic tumour, and 1 calcifying epithelial odontogenic cyst. Of these lesions, 23 affected the mandible, and 5 the maxilla. The lesions were subdivided into aggressive and non-aggressive, and when compared, there was a difference only for the cortical cone perforation variable (p <0.05), which was more prevalent in aggressive lesions, suggesting that this characteristic is an important indicator of pathological behaviour. Conclusions: An accurate identification of the characteristics of bone lesions of the buccomaxillofacial complex, using cone beam computed tomography, can guide diagnostic hypotheses, in addition to guiding the management, thus, providing a more appropriate treatment for each individualized case.

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Clinical guidelines for dental cone-beam computed tomography

Cited by 35 publications

References 123 publications

Dental cone beam CT: An updated review

Dental cone beam CT: An updated review

The comparison of roof visibility of the mandibular canal between cone-beam computed tomography scans and panoramic radiograph images as dependent on the cortical bone thickness of the mandible

Use of Cone Beam Computed Tomography in the Differential Diagnosis of Jaw Bone Lesions

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