Frédéric Rafflenbeul1, Catherine-Isabelle Gros2, François Lefebvre3, Sophie Bahi-Gross4, Raphaëlle Maizeray1, Yves Bolender1. 1. Department of Dento Facial Orthopedics, Strasbourg University, France. 2. Department of Radiology, Faculty of Dental Surgery, Strasbourg University, France. 3. Division of Public Health, Methodology and Biostatistics, University Hospitals of Strasbourg, France. 4. Department of Oral Surgery, Faculty of Dental Surgery, Strasbourg University, France.
Abstract
OBJECTIVES: The aim of this retrospective study was to assess in maxillary canine impaction cases both the prevalence of root resorption of adjacent teeth among untreated children and adolescents, and its associated risk factors. SUBJECTS AND METHODS: Sixty subjects (mean age 12.2 years; SD 1.9; range 8-17 years) with 83 displaced maxillary canines and without any past or ongoing orthodontic treatment were included in this study. The presence of root resorption was evaluated on images from a single cone beam computed tomography (CBCT) unit. Potential risk factors were measured on the CBCT images and on panoramic reconstructions of the 3D data sets. The sample was characterized by descriptive statistics and multiple logistic regressions were performed to predict root resorption. RESULTS: Root resorption of at least one adjacent tooth was detected in 67.5 per cent of the affected quadrants. It was found that 55.7 per cent of the lateral incisors, 8.4 per cent of the central incisors, and 19.5 per cent of first premolars were resorbed. Of the detected resorptions, 71.7 per cent were considered slight, 14.9 per cent moderate, and 13.4 per cent severe. Contact between the displaced canine(s) and the adjacent teeth roots was the only identified statistically significant risk factor, all teeth being considered (odds ratio [OR] = 18.7, 95% confidence interval: 2.26-756, P < 0.01). An enlarged canine dental follicle, a peg upper lateral, or an upper lateral agenesis were not significantly associated with root resorption of adjacent teeth, nor were age nor gender. CONCLUSIONS: Root resorption of adjacent teeth was detected in more than two-thirds of a sample of sixty untreated children and adolescents.
OBJECTIVES: The aim of this retrospective study was to assess in maxillary canine impaction cases both the prevalence of root resorption of adjacent teeth among untreated children and adolescents, and its associated risk factors. SUBJECTS AND METHODS: Sixty subjects (mean age 12.2 years; SD 1.9; range 8-17 years) with 83 displaced maxillary canines and without any past or ongoing orthodontic treatment were included in this study. The presence of root resorption was evaluated on images from a single cone beam computed tomography (CBCT) unit. Potential risk factors were measured on the CBCT images and on panoramic reconstructions of the 3D data sets. The sample was characterized by descriptive statistics and multiple logistic regressions were performed to predict root resorption. RESULTS: Root resorption of at least one adjacent tooth was detected in 67.5 per cent of the affected quadrants. It was found that 55.7 per cent of the lateral incisors, 8.4 per cent of the central incisors, and 19.5 per cent of first premolars were resorbed. Of the detected resorptions, 71.7 per cent were considered slight, 14.9 per cent moderate, and 13.4 per cent severe. Contact between the displaced canine(s) and the adjacent teeth roots was the only identified statistically significant risk factor, all teeth being considered (odds ratio [OR] = 18.7, 95% confidence interval: 2.26-756, P < 0.01). An enlarged canine dental follicle, a peg upper lateral, or an upper lateral agenesis were not significantly associated with root resorption of adjacent teeth, nor were age nor gender. CONCLUSIONS: Root resorption of adjacent teeth was detected in more than two-thirds of a sample of sixty untreated children and adolescents.
Authors: Hana'a A Al-Kyssi; Naela M Al-Mogahed; Zainab M Altawili; Faiz N Dahan; Abeer A Almashraqi; Khalid Aldhorae; Maged S Alhammadi Journal: BMC Oral Health Date: 2022-06-03 Impact factor: 3.747
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