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International Journal of Medical Research & Health Sciences (IJMRHS)
ISSN: 2319-5886 Indexed in: ESCI (Thomson Reuters)

Abstract

Dentoskeletal Overjet Measurements of Iraqi Adult Sample with Different Skeletal Jaw Relationship

Author(s): Shahbaa A Mohammed, Ali M Al-Attar and Ahmed Fadhil Faiq Al-Jarad

Background: Many attempts were done to develop a method that actually reflects the sagittal jaw discrepancies without depending on cranial landmarks or dental occlusion. This study aimed to use one of these methods (dentoskeletal overjet) for assessing the sagittal jaw relationships of Iraqi adult sample with different skeletal jaw relationship. Materials and method: The sample consisted of 90 digital true lateral cephalometric radiographs of Iraqi individuals with no previous orthodontic treatment. Cephalometric analysis of skeletal sagittal jaw relationship -ANB angle, beta angle and Wits appraisal- will perform for everyone to divide the sample into three groups (skeletal class I, II, III) for which the dentoskeletal overjet will be measured. All cephalometric measurements will be done using AutoCAD. Results: Descriptive statistics of all variables with different skeletal jaw relationship showed that mean values of dentoskeletal overjet were (1.15, 3.91 and –2.01 mm) for skeletal class I, class II and class III jaw relationship respectively. Accurate reproducibility of dentoskeletal overjet in assessment of jaw skeletal relationship showed that the lowest value was for assessment of skeletal class III jaw relationship (73%) and the value for assessment of both skeletal class I and class II was higher (93%). Conclusions: Dentoskeletal overjet could be utilized in accurate representation of skeletal jaw relationship.


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