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Article: Prevalence of impacted teeth and associated pathologies - A radiographic study of the Hong Kong Chinese population

TitlePrevalence of impacted teeth and associated pathologies - A radiographic study of the Hong Kong Chinese population
Authors
KeywordsChinese
Prevalence
Tooth, impacted
Issue Date2003
PublisherHong Kong Medical Association. The Journal's web site is located at http://www.hkmj.org/resources/supp.html
Citation
Hong Kong Medical Journal, 2003, v. 9 n. 3, p. 158-163 How to Cite?
AbstractObjectives. To investigate the prevalence and pattern of impacted teeth and associated pathologies in the Hong Kong Chinese population. Setting. The Reception and Primary Care Clinic, Prince Philip Dental Hospital, Hong Kong. Design. Retrospective study. Subjects and methods. The records of 7486 patients were examined to determine whether the chief complaints were related to impacted teeth and associated pathologies, which were investigated using panoramic radiographs. Results. A total of 2115 (28.3%) patients presented with at least one impacted tooth. Among the 3853 impacted teeth, mandibular third molars were the most common (82.5%), followed by maxillary third molars (15.6%), and maxillary canines (0.8%). Approximately 8% of mandibular second molars associated with impacted third molars had periodontal bone loss of more than 5 mm on their distal surfaces. Caries were also found on the same surfaces in approximately 7% of the second molars. Approximately 30% of patients with dental impaction had symptoms, and 75% had complaints limited to one side of the mouth. Conclusions. The prevalence of impacted teeth was high, and there was a predilection for impacted third molars in the mandible. More than 50% of maxillary third molars had erupted, creating potential trauma of the pericoronal tissues of the partially erupted mandibular third molars. Caries and periodontal diseases were commonly seen in relation to the impacted third molars, whereas cystic pathology and root resorption were rarely observed.
Persistent Identifierhttp://hdl.handle.net/10722/44552
ISSN
2015 Impact Factor: 0.887
2015 SCImago Journal Rankings: 0.279
References

 

DC FieldValueLanguage
dc.contributor.authorChu, FCSen_HK
dc.contributor.authorLi, TKLen_HK
dc.contributor.authorLui, VKBen_HK
dc.contributor.authorNewsome, PRHen_HK
dc.contributor.authorChow, RLKen_HK
dc.contributor.authorCheung, LKen_HK
dc.date.accessioned2007-10-30T06:04:01Z-
dc.date.available2007-10-30T06:04:01Z-
dc.date.issued2003en_HK
dc.identifier.citationHong Kong Medical Journal, 2003, v. 9 n. 3, p. 158-163en_HK
dc.identifier.issn1024-2708en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44552-
dc.description.abstractObjectives. To investigate the prevalence and pattern of impacted teeth and associated pathologies in the Hong Kong Chinese population. Setting. The Reception and Primary Care Clinic, Prince Philip Dental Hospital, Hong Kong. Design. Retrospective study. Subjects and methods. The records of 7486 patients were examined to determine whether the chief complaints were related to impacted teeth and associated pathologies, which were investigated using panoramic radiographs. Results. A total of 2115 (28.3%) patients presented with at least one impacted tooth. Among the 3853 impacted teeth, mandibular third molars were the most common (82.5%), followed by maxillary third molars (15.6%), and maxillary canines (0.8%). Approximately 8% of mandibular second molars associated with impacted third molars had periodontal bone loss of more than 5 mm on their distal surfaces. Caries were also found on the same surfaces in approximately 7% of the second molars. Approximately 30% of patients with dental impaction had symptoms, and 75% had complaints limited to one side of the mouth. Conclusions. The prevalence of impacted teeth was high, and there was a predilection for impacted third molars in the mandible. More than 50% of maxillary third molars had erupted, creating potential trauma of the pericoronal tissues of the partially erupted mandibular third molars. Caries and periodontal diseases were commonly seen in relation to the impacted third molars, whereas cystic pathology and root resorption were rarely observed.en_HK
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dc.format.mimetypeapplication/pdf-
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dc.format.mimetypetext/plain-
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dc.languageengen_HK
dc.publisherHong Kong Medical Association. The Journal's web site is located at http://www.hkmj.org/resources/supp.htmlen_HK
dc.relation.ispartofHong Kong Medical Journalen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectChineseen_HK
dc.subjectPrevalenceen_HK
dc.subjectTooth, impacteden_HK
dc.subject.meshTooth, Impacted - complications - epidemiology - radiographyen_HK
dc.subject.meshHong Kong - epidemiologyen_HK
dc.subject.meshRetrospective Studiesen_HK
dc.subject.meshAdolescenten_HK
dc.subject.meshPrevalenceen_HK
dc.titlePrevalence of impacted teeth and associated pathologies - A radiographic study of the Hong Kong Chinese populationen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1024-2708&volume=9&issue=3&spage=158&epage=163&date=2003&atitle=Prevalence+of+impacted+teeth+and+associated+pathologies+-+a+radiographic+study+of+the+Hong+Kong+Chinese+populationen_HK
dc.identifier.emailChu, FCS: cschu@hkucc.hku.hken_HK
dc.identifier.emailNewsome, PRH: newsome@hkucc.hku.hken_HK
dc.identifier.emailCheung, LK: lkcheung@hkucc.hku.hken_HK
dc.identifier.authorityChu, FCS=rp00035en_HK
dc.identifier.authorityNewsome, PRH=rp00017en_HK
dc.identifier.authorityCheung, LK=rp00013en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.pmid12777649-
dc.identifier.scopuseid_2-s2.0-0038352250en_HK
dc.identifier.hkuros80571-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0038352250&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume9en_HK
dc.identifier.issue3en_HK
dc.identifier.spage158en_HK
dc.identifier.epage163en_HK
dc.publisher.placeHong Kongen_HK
dc.identifier.scopusauthoridChu, FCS=7201881096en_HK
dc.identifier.scopusauthoridLi, TKL=24352391500en_HK
dc.identifier.scopusauthoridLui, VKB=7004231346en_HK
dc.identifier.scopusauthoridNewsome, PRH=35830103400en_HK
dc.identifier.scopusauthoridChow, RLK=36845170600en_HK
dc.identifier.scopusauthoridCheung, LK=7102302747en_HK

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