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    External root morphology of maxillary first premolars in Kenyan Africans.

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    Date
    2009
    Author
    Ng'ang'a, R N.
    Masiga, M.A.
    Maina, S. W.
    Type
    Article
    Language
    en
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    Abstract
    Objective: To determine the external root morphology of the maxillary first premolars in Kenyan Africans. Design: In vitro descriptive cross-sectional study. Setting: School of Dental Sciences, University of Nairobi. Subjects: One hundred and fifty five extraded maxillary first premolar teeth obtained from patients aged between 13-30 years attending dental clinics within Nairobi. Main outcome measures: Number of roots, direction of root curvature and tooth length. Results: A total of 155 maxillary first premolars were studied, 77 from males and 78 from females. Overall, there were 83.2% two-rooted teeth (mean tooth length: buccal root 22.3 mro; lingual root 21.2 nun), 10.3% one-rooted (mean tooth length-22.6 mm) and 6.5% three-rooted. Three roots occurred more commonly in males than females and this was a statistically significant gender difference (P<O.05). Males were found to have larger mean tooth length than females in multirooted teeth. Majority of the roots were straight (57.2%). Distal and "S" curvatures were the commonest (19.1 % and 10.2% respectively). There were no significant gender differences in direction of root curvature (P>O.OS). Conclusions: Maxillary first premolars were mostly two-rooted with straight roots. Males presented with two or three roots more often than females and had significantly larger mean tooth lengths.
    URI
    http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/10367
    Citation
    East African Medicnl Journal Vol. 86 No. 12 December 2009
    Subject
    Oral health
    Premolars
    Root morphology
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    • Faculty of Health Sciences (FHS) [10189]

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