Dental Imaging – A basic guide for the radiologist

Masthoff, Max; Gerwing, Mirjam; Masthoff, Malte; Timme, Maximilian; Kleinheinz, Johannes; Berninger, Markus T.; Heindel, Walter; Wildgruber, Moritz; Schülke, Christoph

doi:10.1055/a-0636-4129

Cited by 37 publications

(34 citation statements)

References 36 publications

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“…The precision is comparable or even better than Demirjian’s technique when at least one lower tooth can be involved. Furthermore, X-ray of one or two teeth is sufficient, resulting in reduced radiation for the subject examined [ 34 ]. However, this statement should be substantiated with studies of the applicability of the staging method to dental films, as it is based on dental panoramic radiographs.…”

Section: Discussionmentioning

confidence: 99%

Forensic Dental Age Estimation: Development of New Algorithm Based on the Minimal Necessary Databases

Bjelopavlovic

Zeigner²,

Hardt³

et al. 2022

JPM

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Objectives Dental age determination relies on the presence of wisdom teeth, which can be assigned to specific age ranges according to their stage of development. The purpose of this study is to highlight the applicability of the Demirjian staging of layman compared to expert, as well as the inclusion of all four wisdom teeth in the overall assessment, in order to emphasize and critically highlight a precise age estimation in clinical practice, especially in the case of agenesis or the presence of less than all four wisdom teeth. Material and Methods: In this study, dental age determination is performed and compared by a trained layperson and an expert using 385 orthopantomograms. The radiographs of known chronological age from male patients in the age range of 11–22 years were acquired from the University Medical Center Mainz. All four wisdom teeth were radiologically viewed if present. Demirjian staging with stages A–H was applied, and regression analysis was performed. Results: The relationship between mineralization of wisdom teeth (18, 28, 38 and 48) and age was linear for all teeth (p < 0.01), except for tooth 18 (p = 0.02). Comparing the prediction of the four teeth individually revealed that the lower teeth gave better predictions than the upper ones (R2 ≥ 0.50 vs. R2 < 0.50). Conclusions: For clinical use, the mandibular wisdom teeth should be preferred when performing dental age estimation using the Demirjian staging method. As a result of the present analysis, two ways of determining dental age by wisdom teeth can be suggested. One is to take only tooth 38, with the formula: age = 3.3 + 0.73 × mineralization of tooth_38. The second recommendation would be to take tooth_48. If both are unavailable, the formula would be age = −0.5 + 0.94 × mineralization tooth_28. Utilizing tooth 18 would not lead to more precise results.

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Section: Discussionmentioning

confidence: 99%

Forensic Dental Age Estimation: Development of New Algorithm Based on the Minimal Necessary Databases

Bjelopavlovic

Zeigner²,

Hardt³

et al. 2022

JPM

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“…The most common maxillary dental inclusion, palatal inclusion of the upper canine, represents a particular challenge in orthodontic practice [10]. A number of questions arise regarding the management of an impaction, such as: Where is the impacted tooth positioned?…”

Section:  Introductionmentioning

confidence: 99%

Radiographic methods for locating impacted maxillary canines

Dinu

Todor²,

Zetu³

et al. 2023

Rom J Morphol Embryol

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Maxillary canine impaction is a fairly common phenomenon in dental practice. Most studies indicate its palatal position. For a successful orthodontic and/or surgical therapy, it is necessary to correctly identify the impacted canine in the depth of the maxillary bone, using conventional and digital radiological investigations, each with their advantages and disadvantages. Dental practitioners must indicate the most "targeted" radiological investigation. This paper aims to review the various radiographic techniques available for determining the location of the impacted maxillary canine.

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“…Early diagnosis of impacted canine is possible through clinical examination combined with the radiographic one [10]. Orthopantomography (OPT), lateral cephalography, posteroanterior cephalography, single-tooth radiograph, as well as computed tomography (CT) and cone-beam computed tomography (CBCT) are the radiographic methods used for diagnosis [10,11]. CBCT is the method that can accurately determine the positions of impacted maxillary canines [12].…”

Section:  Introductionmentioning

confidence: 99%

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2023

Rom J Morphol Embryol

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Dental Imaging – A basic guide for the radiologist

Cited by 37 publications

References 36 publications

Forensic Dental Age Estimation: Development of New Algorithm Based on the Minimal Necessary Databases

Forensic Dental Age Estimation: Development of New Algorithm Based on the Minimal Necessary Databases

Radiographic methods for locating impacted maxillary canines

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