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Soft-tissue cephalometric norms for a sample of Iraqi adults with class I normal occlusion in natural head position | ||
| Journal of baghdad college of dentistry | ||
| Article 1, Volume 23, Issue 3, 2011, Pages 160-166 | ||
| Authors | ||
| Mushriq F. Al-Janabi; ZainabM. Kadhom | ||
| Abstract | ||
| ABSTRACTBackground: The purposes of this study were to establish the cephalometric norms for Iraqi adults with normalocclusion and well-balanced faces for both genders using Arnett et al. (1) analysis, to establish the mean values of(the dentoskeletal factor, the soft tissues structures, the facial length, true vertical line (TVL) projection and theharmony values measurements) and to verify the existence of gender differenceMaterials & methods: 60 Iraqi adult subjects (30 males and 30 females) with an age ranged between 18-25 yearshaving normal occlusion and well-balanced face were chosen for this study. Each individual was subjected toclinical examination and digital true lateral cephalometric X-ray in the natural head position which is mirror position inwhich the patient looking straight into his eyes into the mirror mounted on the stand. The radiographs were analyzedusing AutoCAD program 2007 to measure the distances and angles used in the Soft Tissue Cephalometric Analysis.Descriptive statistics was obtained for the measured variables for both genders and independent- samples t-test wasperformed to evaluate the genders difference.Results &conclusions: The results indicated that: females have high mean value of the angle between the maxillaryocclusal plane and TVL, increase in upper lip angle more than males. The males have thicker upper & lower lips,more soft tissue chin thicknesses, higher mean value of the facial height, lower third of the face height, upper & lowerlip length, mandibular height, the projection of the maxillary & mandibular central incisor crown tip, soft tissue B & A,nasal tip projection on the TVL and backward position of point Pog΄ and point B΄ than female.Key words: Soft-tissue cephalometric analysis, class I normal occlusion, natural head position. (J Bagh Coll Dentistry2011;23(3): 160-166). | ||
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