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Article: Three-dimensional radiographic evaluation of root migration patterns 4-8.5 years after lower third molar coronectomy: a cone beam computed tomography study

TitleThree-dimensional radiographic evaluation of root migration patterns 4-8.5 years after lower third molar coronectomy: a cone beam computed tomography study
Authors
Keywordscone beam CT
coronectomy
root migration
third molar
Issue Date2018
PublisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/ijom
Citation
International Journal of Oral and Maxillofacial Surgery, 2018, p. S0901-5027(18)30100-0 How to Cite?
AbstractThis prospective study in patients with a follow-up of 4-8.5years aimed to describe the long-term, three-dimensional changes of coronectomized lower third molar roots. Pre- and postoperative cone beam computed tomography (CBCT) scans were compared. The distance of root migration, the direction of root translation and rotation, and the amount of bone regeneration at the adjacent second molar and superficially to the third molar root were recorded. Age, gender, time elapsed following surgery, the status of the retained root including, impaction pattern and depth of impaction were tested to check if they were influencing factors for the above outcomes. A total of 57 coronectomized third molars from 44 patients were included. The distance of the mean root migration was 2.82mm, and they predominantly translated mesially (76.8%). Age negatively correlated with the distance of migration. Root remnants with a soft tissue coverage had less bone regenerated at the adjacent second molar (1.27mm vs. 2.95mm) in comparison to their impacted counterparts. Based on the present radiographic results and the absence of any pathological findings, coronectomy can be recommended for selected cases of third molar removal as a safe procedure with favourable long-term outcomes.
Persistent Identifierhttp://hdl.handle.net/10722/254681
ISSN
2019 Impact Factor: 2.068
2015 SCImago Journal Rankings: 0.854
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYeung, WKA-
dc.contributor.authorWong, NSM-
dc.contributor.authorBornstein, MM-
dc.contributor.authorLeung, YY-
dc.date.accessioned2018-06-21T01:04:49Z-
dc.date.available2018-06-21T01:04:49Z-
dc.date.issued2018-
dc.identifier.citationInternational Journal of Oral and Maxillofacial Surgery, 2018, p. S0901-5027(18)30100-0-
dc.identifier.issn0901-5027-
dc.identifier.urihttp://hdl.handle.net/10722/254681-
dc.description.abstractThis prospective study in patients with a follow-up of 4-8.5years aimed to describe the long-term, three-dimensional changes of coronectomized lower third molar roots. Pre- and postoperative cone beam computed tomography (CBCT) scans were compared. The distance of root migration, the direction of root translation and rotation, and the amount of bone regeneration at the adjacent second molar and superficially to the third molar root were recorded. Age, gender, time elapsed following surgery, the status of the retained root including, impaction pattern and depth of impaction were tested to check if they were influencing factors for the above outcomes. A total of 57 coronectomized third molars from 44 patients were included. The distance of the mean root migration was 2.82mm, and they predominantly translated mesially (76.8%). Age negatively correlated with the distance of migration. Root remnants with a soft tissue coverage had less bone regenerated at the adjacent second molar (1.27mm vs. 2.95mm) in comparison to their impacted counterparts. Based on the present radiographic results and the absence of any pathological findings, coronectomy can be recommended for selected cases of third molar removal as a safe procedure with favourable long-term outcomes.-
dc.languageeng-
dc.publisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/ijom-
dc.relation.ispartofInternational Journal of Oral and Maxillofacial Surgery-
dc.subjectcone beam CT-
dc.subjectcoronectomy-
dc.subjectroot migration-
dc.subjectthird molar-
dc.titleThree-dimensional radiographic evaluation of root migration patterns 4-8.5 years after lower third molar coronectomy: a cone beam computed tomography study-
dc.typeArticle-
dc.identifier.emailYeung, WKA: ndyeung@hku.hk-
dc.identifier.emailBornstein, MM: bornst@hku.hk-
dc.identifier.authorityYeung, WKA=rp02143-
dc.identifier.authorityBornstein, MM=rp02217-
dc.identifier.doi10.1016/j.ijom.2018.03.014-
dc.identifier.pmid29627152-
dc.identifier.scopuseid_2-s2.0-85044846466-
dc.identifier.hkuros285425-
dc.identifier.spageS0901-
dc.identifier.epage5027(18)30100-
dc.identifier.isiWOS:000441854500008-
dc.publisher.placeUnited Kingdom-

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