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- PMID: 17668593
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Article: Root morphology--a study of the mandibular second molar of ethnic Chinese.
Title | Root morphology--a study of the mandibular second molar of ethnic Chinese. |
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Authors | |
Issue Date | 2006 |
Publisher | Royal Australasian College of Dental Surgeons. The Journal's web site is located at http://www.racds.org |
Citation | Annals Of The Royal Australasian College Of Dental Surgeons, 2006, v. 18, p. 47-50 How to Cite? |
Abstract | The C-shaped canal system often is a challenge to optimal cleaning and shaping. This present study was aimed to determine the incidence of fused root patterns, which indicates the presence of a C-shaped canal system, in mandibular second molars of ethnic Chinese in Hong Kong. One thousand clinical and radiographic records of patients in a dental teaching hospital were randomly selected and screened. From the panoramic radiographs, 399 patients with a total of 769 mandibular second molars were suitable for analysis. Of these selected patients, 370 (92%) presented with both 37 and 47, of which 108 (29%) pairs showed the same fused root pattern. Of all 769 second molars examined, 203 (26%) presented with a radiographic Type I morphology, and 68 (9%) and 54 (7%) with Type II and III morphology, respectively. It was concluded that approximately 42% of fused-root mandibular second molars of Hong Kong Chinese patients might be associated with a C-shaped root canal system. |
Persistent Identifier | http://hdl.handle.net/10722/154479 |
ISSN |
DC Field | Value | Language |
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dc.contributor.author | Cheung, LH | en_US |
dc.contributor.author | Low, D | en_US |
dc.contributor.author | Cheung, GS | en_US |
dc.date.accessioned | 2012-08-08T08:25:33Z | - |
dc.date.available | 2012-08-08T08:25:33Z | - |
dc.date.issued | 2006 | en_US |
dc.identifier.citation | Annals Of The Royal Australasian College Of Dental Surgeons, 2006, v. 18, p. 47-50 | en_US |
dc.identifier.issn | 0158-1570 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/154479 | - |
dc.description.abstract | The C-shaped canal system often is a challenge to optimal cleaning and shaping. This present study was aimed to determine the incidence of fused root patterns, which indicates the presence of a C-shaped canal system, in mandibular second molars of ethnic Chinese in Hong Kong. One thousand clinical and radiographic records of patients in a dental teaching hospital were randomly selected and screened. From the panoramic radiographs, 399 patients with a total of 769 mandibular second molars were suitable for analysis. Of these selected patients, 370 (92%) presented with both 37 and 47, of which 108 (29%) pairs showed the same fused root pattern. Of all 769 second molars examined, 203 (26%) presented with a radiographic Type I morphology, and 68 (9%) and 54 (7%) with Type II and III morphology, respectively. It was concluded that approximately 42% of fused-root mandibular second molars of Hong Kong Chinese patients might be associated with a C-shaped root canal system. | en_US |
dc.language | eng | en_US |
dc.publisher | Royal Australasian College of Dental Surgeons. The Journal's web site is located at http://www.racds.org | en_US |
dc.relation.ispartof | Annals of the Royal Australasian College of Dental Surgeons | en_US |
dc.subject.mesh | Adolescent | en_US |
dc.subject.mesh | Adult | en_US |
dc.subject.mesh | Aged | en_US |
dc.subject.mesh | Asian Continental Ancestry Group | en_US |
dc.subject.mesh | Dental Pulp Cavity - Anatomy & Histology - Radiography | en_US |
dc.subject.mesh | Female | en_US |
dc.subject.mesh | Hong Kong | en_US |
dc.subject.mesh | Humans | en_US |
dc.subject.mesh | Male | en_US |
dc.subject.mesh | Mandible | en_US |
dc.subject.mesh | Middle Aged | en_US |
dc.subject.mesh | Molar - Anatomy & Histology | en_US |
dc.subject.mesh | Radiography, Panoramic | en_US |
dc.subject.mesh | Tooth Root - Anatomy & Histology | en_US |
dc.title | Root morphology--a study of the mandibular second molar of ethnic Chinese. | en_US |
dc.type | Article | en_US |
dc.identifier.email | Low, D:dcylow@hkucc.hku.hk | en_US |
dc.identifier.email | Cheung, GS:spcheung@hkucc.hku.hk | en_US |
dc.identifier.authority | Low, D=rp00039 | en_US |
dc.identifier.authority | Cheung, GS=rp00016 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.pmid | 17668593 | - |
dc.identifier.scopus | eid_2-s2.0-34547860055 | en_US |
dc.identifier.hkuros | 126950 | - |
dc.identifier.volume | 18 | en_US |
dc.identifier.spage | 47 | en_US |
dc.identifier.epage | 50 | en_US |
dc.publisher.place | Australia | en_US |
dc.identifier.scopusauthorid | Cheung, LH=18633820400 | en_US |
dc.identifier.scopusauthorid | Low, D=7202083571 | en_US |
dc.identifier.scopusauthorid | Cheung, GS=7005809531 | en_US |
dc.identifier.issnl | 0158-1570 | - |