88 Chapter 4 Table 3 The mean and the standard deviation of anthropometric measurements (in cm) for the cadavers, stratified according to gender. Anthropometric measurements in cm (ref Fig. 1) Total (N = 20) Female (N = 8) Male (N = 5) P-value difference female vs male ICC Length of head (I) 22.8 ± 0.99 (N = 12) 22.3 ± 1.10 (N = 5) 23.4 ± 0.95 (N = 3) 0.195 0.64 Width of head (II) 15.8 ± 0.89 15.6 ± 0.56 16.6 ± 1.29 0.076 0.96 Depth of head (III) 18.8 ± 0.75 (N = 18) 18.5 ± 0.70 (N = 8) 19.0 ± 0.48 (N = 3) 0.380 0.95 Face height (IV) 14.1 ± 1.04 13.8 ± 0.62 15.1 ± 1.09 0.023 0.96 Lower face height (V) 8.3 ± 0.81 8.2 ± 0.51 8.7 ± 1.16 0.303 0.91 Nose height (VI) 6.1 ± 0.53 5.8 ± 0.44 6.6 ± 0.56 0.018 0.83 Width of mouth (VII) 5.6 ± 0.52 5.7 ± 0.38 5.8 ± 0.51 0.534 0.90 Upper face height (VIII) 8.1 ± 0.65 7.8 ± 0.58 8.7 ± 0.58 0.015 0.91 Upper lip height (IX) 2.2 ± 0.31 2.1 ± 0.25 2.5 ± 0.33 0.021 0.92 Mandible height (X) 4.7 ± 0.61 4.4 ± 0.36 5.2 ± 0.64 0.011 0.66 Mandibular length (XI) 14.7 ± 0.81 14.4 ± 0.47 15.8 ± 0.56 0.001 0.88 Palatal width 4.3 ± 0.31 4.4 ± 0.23 3.9 ± 0.24 0.006 0.96 N indicates the number of cadavers. The P-value of ANOVA one-way test is shown. The ICC indicates the degree of agreement between the two independent anthropometric measurements. For 7 cadavers the gender was unknown, for this reason they are not included in the ANOVA comparison. Different N as in some cases this anthropometric measurements could not be performed. Relation between intra‑oral surface areas and anthropometric measurements A moderate positive correlation was found between the surface of the palate and the length of the head, Pearson’s r(12) = 0.59, P = 0.045. Also, the surface of the tongue and the depth of the head were positively correlated, Pearson’s r(18) = 0.50, P = 0.036. The Pearson correlation analysis did not reveal significant relations between anthropometric measurements and the total intra-oral surface area (P value varying from 0.097 for the palatal width and 0.995 for the upper face height). Also, no significant correlation was found for the surface area of the hard tissue and the mucosa with the anthropometric measurements.
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