{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T12:31:06Z","timestamp":1793017866925,"version":"4.5.0"},"reference-count":32,"publisher":"Oxford University Press (OUP)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Dentomaxillofacial Radiology"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:sec><jats:title>Objectives:<\/jats:title><jats:p> To establish the prevalence and severity of external cervical resorption (ECR) in posterior teeth observed in bitewing (BW) radiographs in an epidemiological study of a 17-year-old patient population from community dentistry. Furthermore, to assess the potential predisposing factors for ECR. <\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p> Posterior BWs from 5596 patients (2717 females, 2879 males; mean age 17.8 years) were assessed by three observers in order to detect ECR (using Heithersay\u2019s classification system, severity classes 1\u20134). When ECR was suspected, cone beam CT (CBCT) was offered to verify diagnosis. Prevalence was estimated based on ECR suspected in BWs and finally in CBCT. Possible predisposing factors (orthodontic treatment, trauma, and periodontal disease) were recorded and assessed for association with ECR. <\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p> In 41 patients, ECR was suspected in BWs (suspected prevalence 0.73%). 32 patients accepted CBCT examination, of which eight were verified to have ECR (final prevalence 0.18%). In 24 patients, other disease entities and abnormal tooth morphology, that had mimicked ECR in BWs, excluded ECR in CBCT. ECR severity ranged from class 1\u20133 in BW and 2\u20134 in CBCT. All but one case had not been diagnosed by the patient\u2019s community dentist. No statistically significant association between predisposing factors and ECR was identified. <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions:<\/jats:title><jats:p> ECR had low prevalence in this adolescent population, as observed in both BWs and CBCT. Still, early detection of ECR is important for treatment prognosis, and attention should be paid to this disease entity when assessing BWs obtained for other diagnostic purposes. CBCT may subsequently aid in verifying the disease. <\/jats:p><\/jats:sec>","DOI":"10.1259\/dmfr.20220223","type":"journal-article","created":{"date-parts":[[2022,11,4]],"date-time":"2022-11-04T14:02:33Z","timestamp":1667570553000},"source":"Crossref","is-referenced-by-count":7,"title":["Early detection of external cervical resorption in posterior teeth: a radiographic, cross-sectional study of an adolescent population"],"prefix":"10.1093","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4719-7157","authenticated-orcid":false,"given":"Julie","family":"Suhr Villefrance","sequence":"first","affiliation":[{"name":"Section for Oral Radiology, Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ann","family":"Wenzel","sequence":"additional","affiliation":[{"name":"Section for Oral Radiology, Department of Dentistry and Oral Health, Aarhus University, Aarhus, 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