Impacts of X-ray beam angulation and image receptor positioning on the quantification of alveolar bone mineral density using intraoral radiographic technique.

Yuichiro Watanabe, Kiyomi Kohinata, Wakako Tome, Yukihiro Iida, Akitoshi Katsumata, Noriyuki Kitai

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Article in Oral radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1 citing paper in PubMed.

Toward accessible quantification of bone mineral density: feasibility of radiographic bone aluminum equivalence (RBAE) determined by digital radiography against DEXA and CT in translational sheep model.BMC medical imaging · 2026
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6 authors.

Yuichiro WatanabeDepartment of Orthodontics, School of Dentistry, Asahi University, Hozumi, 1851, Mizuho, Gifu, 501-0296, Japan.

Kiyomi KohinataDepartment of Oral Radiology, School of Dentistry, Asahi University, Mizuho, Gifu, Japan.

Wakako TomeDepartment of Orthodontics, School of Dentistry, Asahi University, Hozumi, 1851, Mizuho, Gifu, 501-0296, Japan.

Yukihiro IidaDepartment of Oral Radiology, School of Dentistry, Asahi University, Mizuho, Gifu, Japan.

Akitoshi KatsumataSchool of Dentistry, Asahi University, Mizuho, Gifu, Japan.

Noriyuki KitaiDepartment of Orthodontics, School of Dentistry, Asahi University, Hozumi, 1851, Mizuho, Gifu, 501-0296, Japan. nkitai@dent.asahi-u.ac.jp.ORCID 0000-0002-5746-9155

Funding

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6 · The paper itself

Abstract

objectivesThe purpose of this study was to evaluate the impact of X-ray beam angulation and image receptor positioning on the quantification of alveolar bone mineral density (BMD) using intraoral radiographic technique.

methodsIntraoral radiographs were acquired from four dry mandibular bone specimens, specifically in the region between the first premolar and first molar. An imaging phosphor plate system and a DentalSCOPE alignment device were used. Standard orthoradial projections were compared with images taken at 7° mesial and distal angulations, as well as 5° upward and downward angulations. In addition, radiographs were obtained with the receptor shifted anteriorly from the standard position by 2 mm, 4 mm, 6 mm, and 8 mm. BMD was measured in the alveolar septum between the mandibular second premolar and first molar using a DentalSCOPE image processing program. Statistical analyses were conducted to assess the impacts of projection angle and receptor positioning.

resultsBMD values obtained from mesiodistal and vertical oblique projections were significantly higher than those from the orthoradial view. However, no statistically significant differences were found between mesial and distal or between upward and downward projections. Variations in receptor positioning up to 8 mm anteriorly did not result in significant changes in BMD values.

conclusionsOblique radiographic projections tend to overestimate alveolar bone BMD compared to orthoradial projections. Orthoradial imaging provides reliable and reproducible quantitative BMD assessments when using computer-assisted analysis, highlighting its suitability for clinical and research applications.

Indexed as

Alveolar ProcessBone DensityMandibleRadiography, DentalHumansRadiography, Dental, DigitalBone mineral densityQuantitative measurementRadiographic conditionX-ray beam angulation

Identifiers

PMID41053387

DOI10.1007/s11282-025-00860-z

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