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Molar dentoalveolar heights’ association with some vertical craniofacial measurements in class I skeletal pattern | ||
| Journal of baghdad college of dentistry | ||
| Article 1, Volume 22, Issue 4, 2010, Pages 96-101 | ||
| Author | ||
| Hadeel A. Yousif | ||
| Abstract | ||
| ABSTRACTBackground: Cases with vertical discrepancy have proved to be the most difficult to treat and have the leastfavorable prognosis. This study was designed to determine the relationship between maxillary and mandibular molardentoalveolar heights and several vertical skeletal variables; and to start up population standard for the verticalposition of the maxillary and mandibular 1st molar, in individuals with skeletal and dental class I.Materials and method: The sample included 60 digital true lateral cephalometric radiographs (33 females and 27males) which had been taken in the Orthodontic department in the College of Dentistry, University of Baghdad. Theywere determined radiographically to have class I skeletal pattern, and clinically to have normal Angle Class Iocclusion. Ten skeletal and two dentoalveolar cephalometric measurements were used to assess vertical facialmorphology.Results: Males had a significantly larger molar dentoalveolar height than the females. Both in males and females,maxillary and mandibular dentoalveolar heights were significantly positively correlated with anterior total and lowerfacial heights and posterior facial height. Ar-Go has higher significant positive correlations in females than males,positive correlations were also found in males between SN-MP angle and molar dentoalveolar heights, and betweenPP-MP angle and MxMDH only.Conclusions: Positive relationship between dentoalveolar and craniofacial heights has been confirmed. Populationstandard for the vertical position of the maxillary and mandibular 1st molar, in individuals with skeletal and dentalclass I, were verified. The increase in dentoalveolar heights of males show more tendency toward backward rotationof the mandible compared to that of females.Keywords: molar dentoalveolar heights, vertical dimension, skeletal pattern. (J Bagh Coll Dentistry 2010;22(4):96-101). | ||
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