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Anatomical and skeletal parameters were measured at 2, 4 and 6\u00a0mm apical to the cementoenamel junction (CEJ) by one examiner. The intra- and inter-class correlation coefficients were calculated to assess the intra, and interobserver reliability. Data were analyzed by ANOVA and Tukey\u2019s test (alpha\u2009=\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The intra- and interobserver reliability were\u2009&gt;\u20090.9 for all parameters. The largest inter-radicular distance in the maxilla was between the central incisors (1\u20131) in classes I and III, and between premolars (4\u20135) in class II patients. The largest inter-radicular distance in the mandible was between molar teeth (6\u20137) in all three classes. The buccal cortical plate thickness was maximum at the site of mandibular first and second molars (6\u20137). The posterior maxilla and mandible showed the maximum thickness of cancellous bone and alveolar process. Wide variations were noted in this respect between class I, II and III patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The area with maximum inter-radicular distance and optimal alveolar bone thickness for miniscrew insertion varies in different individuals, depending on their sagittal skeletal pattern.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12903-021-01891-8","type":"journal-article","created":{"date-parts":[[2021,10,17]],"date-time":"2021-10-17T13:13:27Z","timestamp":1634476407000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Interradicular distance and alveolar bone thickness for miniscrew insertion: a CBCT study of Persian adults with different sagittal skeletal patterns"],"prefix":"10.1186","volume":"21","author":[{"given":"Amin","family":"Golshah","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahya","family":"Salahshour","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nafiseh","family":"Nikkerdar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,10,17]]},"reference":[{"key":"1891_CR1","doi-asserted-by":"publisher","first-page":"13","DOI":"10.1186\/1746-160X-9-13","volume":"9","author":"F Pan","year":"2013","unstructured":"Pan F, Kau CH, Zhou H, Souccar N. 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