A SURVEY ON THE AMOUNT OF COORDINATION BETWEEN PANORAMIC AND LATERAL CEPHALOMETRIC RADIOGRAPHS IN DIAGNOSIS OF FACIAL VERTICAL GROWTH PATTERN

Razeghinejad, M.H and Razavi Rohani, Z and Sabzikari, N and Rahmanpour, R (2017) A SURVEY ON THE AMOUNT OF COORDINATION BETWEEN PANORAMIC AND LATERAL CEPHALOMETRIC RADIOGRAPHS IN DIAGNOSIS OF FACIAL VERTICAL GROWTH PATTERN. URMIA MED J 2017: 28(3): 191 ISSN:, 28 (3). pp. 183-191. ISSN 1027-3727

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Abstract

One of the most important issues in training, diagnosis, and treatment in orthodontics is a thorough understanding of patient’s growth pattern. Imbalances in this pattern can cause malocclusion which is one of the most important causes of referring patients for treatment. At the first step, dentist’s responsibility is the diagnosis and monitoring of the growth pattern in aberrant cases. The aim of this study was to find panoramic indices in the diagnosis of facial vertical growth pattern and comparing them with standard lateral cephalometric radiographs. Materials & Methods: Current research is a descriptive, cross-sectional study that was carried out on 30 patient’s pretreatment lateral cephalometric and panoramic radiographs. Gonial, FMA, Basal, Schudy and Or Go Me angles were used to measure both radiographs. Pearson’s correlation coefficient and independent t-test were used for data analysis. Results: Results showed that the value of all variables on panoramic radiographs was smaller than their counterparts on lateral cephalograms. Gonial angles had the highest correlation coefficient (r=0.89, p<0.001) when comparing the two methods. And Or Go Me angle had the lowest (r=0.41, p<0.05). Conclusion: Gonial angles can be detected on panoramic views along with lateral cephalograms with high accuracy that can show facial vertical growth pattern to some extent; however, for accurate diagnosis cephalometric analysis is also needed.

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