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Year : 2022  |  Volume : 11  |  Issue : 1  |  Page : 38

Novel cephalometric parameters for the assessment of vertical skeletal dysplasia

1 Independent Scholar, 5717 Durham Castle Ct., Indianapolis, IN 46250, USA
2 Department of Orthodontics and Dentofacial Orthopaedics, Rama Dental College Hospital and Research Center, Kanpur, Uttar Pradesh, India

Correspondence Address:
Kaveri Kranti Gandhi
Independent Scholar, 5717 Durham Castle Ct., Indianapolis, IN 46250
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jos.jos_32_22

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INTRODUCTION: The accurate diagnosis of vertical skeletal abnormalities presents several challenges. Specific cephalometric parameters can be effectively used for this purpose; however, their diagnostic utility has not been fully ascertained. This study examined the effectiveness of two novel cephalometric parameters in diagnosing vertical dysplasia. METHODS: Orthodontic patients were divided into three study groups: average growth group (AGG), horizontal growth group (HGG), and vertical growth group (VGG). The efficacies of the sum of the angles (maxillary, mandibular, and ramal) and the height ratio (lower anterior facial height [LAFH]/upper anterior facial height [UAFH]) in identifying the different growth patterns were examined. Receiver operating characteristic curves were used to quantitatively assess diagnostic precision. RESULTS: A total of 150 patients were included and divided equally among the 3 study groups. The ramal and mandibular angles varied across AGG, HGG, and VGG; however, the maxillary angle and the sum of these three angles did not vary significantly. There was a significant difference in LAFH, UAFH, and their ratios among the three groups. The height ratio had a sensitivity of 88% and 92% for the diagnosis of VGG and HGG, respectively, with cutoff values of 46 and 34, respectively (P < 0.001). CONCLUSIONS: The height ratio values varied considerably according to facial growth patterns, suggesting its utility as a diagnostic tool for skeletal dysplasia with greater reliability for positive treatment outcomes.

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