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Article: Survival of molar teeth after resective periodontal therapy - A retrospective study

TitleSurvival of molar teeth after resective periodontal therapy - A retrospective study
Authors
Issue Date2012
PublisherBlackwell Munksgaard. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CPE
Citation
Journal of Clinical Periodontology, 2012, v. 39 n. 9, p. 850-860 How to Cite?
AbstractAIM: To study outcomes of molar teeth after resective therapy performed with the intention to prolong the lifespan of teeth having one or more unsaveable roots, and without which tooth extraction would be inevitable. MATERIAL AND METHODS: Clinical records of 149 subjects who had undergone resective therapy were retrieved. Demography and dental history were recorded, and a recall examination was undertaken. Cox regression models were performed. RESULTS: Of the 149 resective therapies, 132 (88.6%) were performed for periodontal reasons. Eighty-nine (59.7%) teeth subjected to resective therapies had been extracted by the time of recall (mean 10 years post-resection). The median survival period was 74 months. Factors significantly associated with shorter survival duration of teeth subjected to resective therapy were: age at resective therapy; pre-operative radiographic bone height of the remaining root(s) <50%; pre-treatment mobility II or above and not being splinted to neighbouring teeth nor incorporated as a bridge abutment. CONCLUSION: There was increased risk of tooth loss with increasing age at resection, grade II mobility or above, and reduced pre-operative radiographic bone heights around roots to remain. Splinting of a resected tooth to neighbouring teeth appeared to confer a protective effect towards its survival.
Persistent Identifierhttp://hdl.handle.net/10722/163725
ISSN
2014 Impact Factor: 4.010
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLee, KLen_US
dc.contributor.authorCorbet, EFen_US
dc.contributor.authorLeung, WKen_US
dc.date.accessioned2012-09-20T07:50:32Z-
dc.date.available2012-09-20T07:50:32Z-
dc.date.issued2012en_US
dc.identifier.citationJournal of Clinical Periodontology, 2012, v. 39 n. 9, p. 850-860en_US
dc.identifier.issn0303-6979-
dc.identifier.urihttp://hdl.handle.net/10722/163725-
dc.description.abstractAIM: To study outcomes of molar teeth after resective therapy performed with the intention to prolong the lifespan of teeth having one or more unsaveable roots, and without which tooth extraction would be inevitable. MATERIAL AND METHODS: Clinical records of 149 subjects who had undergone resective therapy were retrieved. Demography and dental history were recorded, and a recall examination was undertaken. Cox regression models were performed. RESULTS: Of the 149 resective therapies, 132 (88.6%) were performed for periodontal reasons. Eighty-nine (59.7%) teeth subjected to resective therapies had been extracted by the time of recall (mean 10 years post-resection). The median survival period was 74 months. Factors significantly associated with shorter survival duration of teeth subjected to resective therapy were: age at resective therapy; pre-operative radiographic bone height of the remaining root(s) <50%; pre-treatment mobility II or above and not being splinted to neighbouring teeth nor incorporated as a bridge abutment. CONCLUSION: There was increased risk of tooth loss with increasing age at resection, grade II mobility or above, and reduced pre-operative radiographic bone heights around roots to remain. Splinting of a resected tooth to neighbouring teeth appeared to confer a protective effect towards its survival.-
dc.languageengen_US
dc.publisherBlackwell Munksgaard. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CPE-
dc.relation.ispartofJournal of Clinical Periodontologyen_US
dc.rightsThe definitive version is available at www.blackwell-synergy.com-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleSurvival of molar teeth after resective periodontal therapy - A retrospective studyen_US
dc.typeArticleen_US
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0303-6979&volume=39&issue=9&spage=850&epage=860&date=2012&atitle=Survival+of+molar+teeth+after+resective+periodontal+therapy+-+A+retrospective+study-
dc.identifier.emailLee, KL: stanlee@hku.hken_US
dc.identifier.emailCorbet, EF: efcorbet@hku.hken_US
dc.identifier.emailLeung, WK: ewkleung@hkucc.hku.hken_US
dc.identifier.authorityCorbet, EF=rp00005en_US
dc.identifier.authorityLeung, WK=rp00019en_US
dc.description.naturepostprint-
dc.identifier.doi10.1111/j.1600-051X.2012.01918.x-
dc.identifier.pmid22780229-
dc.identifier.scopuseid_2-s2.0-84864696096-
dc.identifier.hkuros208546en_US
dc.identifier.volume39en_US
dc.identifier.issue9-
dc.identifier.spage850en_US
dc.identifier.epage860en_US
dc.identifier.eissn1600-051X-
dc.identifier.isiWOS:000307170000007-

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