Evaluation of Airway in Different Types of Soft Palate According To Growth Pattern
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 9
Abstract
A normal upper airway is important for nasal breathing, swallowing and phonation. Along with airway the velopharyngeal closure mechanism including the dimensions, shape and dynamics of the soft palate proves to be an important factor in carrying out these functions. The aim of the present study is to evaluate the radiographic length of velum(LV), width of velum(WV), velum angle( AV) , Depth of Pharynx( PD) , Need’s ratio(NR) , inclination angle(AI) in different morphological types of soft palate according to growth patterns in skeletal class I individuals. 80 pre treatment lateral cephalograms of patients with skeletal class I malocclusion( ANB 2-4 deg) were divided on basis of six types of soft palate and further into three subgroups according to growth pattern and evaluation of velum length, width, angle with the palatal plane and Need’s ratio was done. Kruskal Wallis test was used for the comparison between the groups. Statistically significant difference was verified among all groups for measurement of Need’s ratio. The highest Need’s ratio was seen in Crook type of soft palate (mean 0.9). Similarly The vertical growth pattern in all the six types of soft palate exhibited a higher Need’s ratio than the average and horizontal growth pattern group; the highest being exhibited by vertical group in type VI ( crook shaped).Velopharyngeal insufficiency is directly related to Need’s ratio. Vertical growth pattern has the highest susceptibility to Velopharyngeal insuffiency and speech and sleep apnea disorders.
Authors and Affiliations
Gargilaxmi Elkunchwar, Nitin Gulve, Amit Nehete, Kunal Shah, Shivpriya Aher
Keywords
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- EP ID EP381950
- DOI 10.9790/0853-1709035358.
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