The kappa statistic was used to measure interexaminer and intraexaminer reliability at 0.794 sellekchem and 0.824, respectively. There was no statistically significant difference between the examiners�� readings. Both examiners independently staged all tracings, and, if there was disagreement, they were recalibrated regarding the Group in conflict; then, the tracings were reviewed again and remeasured by both examiners until consensus was reached. For every subject, impressions of the incisal and occlusal thirds of the mandibular teeth were obtained using a polyvinyl siloxane putty material (3M Empress) [Figure 2]. The impressions were obtained in three positions of the mandible, during the relative rest position of the mandible, minimum opening of mouth and maximum opening [Figure 3].
The impressions were poured under vacuum with Ultra Rock Die stone with the electronically weighed water powder ratios. The casts obtained were scanned along with a scale to digitalize the image and scanning was done to avoid any errors due to magnification. Using Coral Draw software, anatomical reference points on the contralateral first molars were selected for the images. MMF was measured by calculating the variation of the intermolar distance from rest (R) to maximum opening (O) using impression technique. Intermolar distance was measured [Figure 4] in triplicate for each image and then averaged. Figure 1 Brachyfacial, mesofacial and dolicofacial types Figure 2 3M empress Putty Material, Impressions in three positions of the mandible Figure 3 Relative rest position of the mandible, Minimum opening and Maximum opening of mouth Figure 4 Measurement of inter molar width RESULTS The statistical analysis of the observations included Descriptive and Inferential statistics.
The statistical analysis was executed by means of Sigma graph pad prism software, USA Version-4. Continuous data were presented as mean, median, range, and standard deviation. Between group analyses were carried out by using Kruskal walls (ANOVA) followed by Dunns post hoc test. Mann Whitney U-test was performed to assess the difference in MMF values between Males and Females of the three groups. Table 1 illustrates the intermolar distance recorded for the 3 groups: Group 1: Brachyfacial, Group 2: Mesofacial, Group 3: Dolichofacial at relative rest and maximum opening of the mouth and the difference between the values at maximum opening of mouth and rest position for each individual in all the groups.
Table 1 Observations of median median mandibular flexure values of the 3 groups at rest and maximum mouth opening with the difference between the values Table 2 illustrates the Mean (SD) intermolar distance for the Group 1 (Brachyfacial) AV-951 that was 37.73 mm (0.83) at relative rest and 36.61 mm (0.84) at maximum opening with Mean MMF of 1.12 mm (0.09).