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Article: Agenesis of maxillary permanent first molars: literature review and two case reports

TitleAgenesis of maxillary permanent first molars: literature review and two case reports
Authors
KeywordsHypodontia
Missing teeth
Permanent first molars
Issue Date2009
PublisherJapanese Society of Pediatric Dentistry, Oral Health Association. The Journal's web site is located at http://www.jstage.jst.go.jp/browse/pdj/
Citation
Pediatric Dental Journal, 2009, v. 19 n. 2, p. 228-223 How to Cite?
AbstractCongenital absence of teeth is the most commonly known developmental dental anomaly in humans. Agenesis of the permanent first molars has the least frequency of all the tooth types and when present, usually occurs in association with oligodontia or anodontia. Generally, it is easy to diagnose agenesis of the permanent first molars retrospectively, based on the clinical morphology and x-ray photographic features of the permanent second molars; while it is often debatable when made prospectively. Several hypotheses have been promulgated to explain the etiology of hypodontia with evolutionary and anatomic models. Nevertheless, clinical epidemiology does not completely support these hypotheses and therefore clinicians should be cautious; while speculating the missing tooth type based on these hypotheses. We encompass a comprehensive review of the literature on missing permanent first molars and illustrate two cases of missing maxillary permanent first molars to emphasize the complexity involved in their diagnosis.
Persistent Identifierhttp://hdl.handle.net/10722/66026
ISSN
2015 SCImago Journal Rankings: 0.109

 

DC FieldValueLanguage
dc.contributor.authorAnthonappa, RPen_HK
dc.contributor.authorYiu, CKYen_HK
dc.contributor.authorKing, NMen_HK
dc.date.accessioned2010-09-06T05:42:58Z-
dc.date.available2010-09-06T05:42:58Z-
dc.date.issued2009en_HK
dc.identifier.citationPediatric Dental Journal, 2009, v. 19 n. 2, p. 228-223en_HK
dc.identifier.issn0917-2394en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66026-
dc.description.abstractCongenital absence of teeth is the most commonly known developmental dental anomaly in humans. Agenesis of the permanent first molars has the least frequency of all the tooth types and when present, usually occurs in association with oligodontia or anodontia. Generally, it is easy to diagnose agenesis of the permanent first molars retrospectively, based on the clinical morphology and x-ray photographic features of the permanent second molars; while it is often debatable when made prospectively. Several hypotheses have been promulgated to explain the etiology of hypodontia with evolutionary and anatomic models. Nevertheless, clinical epidemiology does not completely support these hypotheses and therefore clinicians should be cautious; while speculating the missing tooth type based on these hypotheses. We encompass a comprehensive review of the literature on missing permanent first molars and illustrate two cases of missing maxillary permanent first molars to emphasize the complexity involved in their diagnosis.-
dc.languageengen_HK
dc.publisherJapanese Society of Pediatric Dentistry, Oral Health Association. The Journal's web site is located at http://www.jstage.jst.go.jp/browse/pdj/en_HK
dc.relation.ispartofPediatric Dental Journalen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectHypodontia-
dc.subjectMissing teeth-
dc.subjectPermanent first molars-
dc.titleAgenesis of maxillary permanent first molars: literature review and two case reportsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0917-2394&volume=19&issue=2&spage=228&epage=223&date=2009&atitle=Agenesis+of+maxillary+permanent+first+molars:+literature+review+and+two+case+reportsen_HK
dc.identifier.emailYiu, CKY: ckyyiu@hkucc.hku.hken_HK
dc.identifier.emailKing, NM: profnigelking@mac.comen_HK
dc.identifier.authorityYiu, CKY=rp00018en_HK
dc.identifier.authorityKing, NM=rp00006en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros168212en_HK
dc.identifier.volume19-
dc.identifier.issue2-
dc.identifier.spage228-
dc.identifier.epage223-

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