ArticleFrontiers in veterinary science2026
Radiographic and cone-beam computed tomography characterization of Chevron lucency in 82 clinically healthy maxillary canine teeth of dogs: a retrospective descriptive study.
Article in Frontiers in veterinary science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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Abstract
The apex of the canine tooth is surrounded by the periodontal ligament and alveolar bone, where the periapical cancellous bone may radiographically present as a V-shaped radiolucent area known as the "chevron lucency" (CL). Although CL in healthy maxillary canine teeth of dogs is considered a normal radiographic finding, its characterization on dental radiographs remains challenging due to the two-dimensional limitations of this imaging modality. This retrospective descriptive study aimed to morphologically characterize the radiographic and cone-beam computed tomography (CBCT) features of CLs in clinically healthy maxillary canine teeth of dogs and to determine which imaging modality provided superior diagnostic reliability for their identification and classification. Dental radiographs and CBCT images of 82 clinically healthy maxillary canine teeth from 41 dogs were retrospectively analyzed to evaluate key imaging features of the periapical region, including CL presence, shape, symmetry, lamina dura appearance, periodontal ligament space, and periapical cancellous bone pattern. CBCT demonstrated almost perfect inter-observer agreement for CL presence, shape, and symmetry (
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