Fig 1.
a (SP 545, Les Petites Crottes collection). Measurements in the frontal plane. (a) chin height. (b) corpus height. (c) corpus width. (d) distance between mandibular angles. (e) bicondylar width. All these measurements were taken with a sliding caliper. b (SP 460, Ilot Saint Jacques collection). Measurements in the sagittal plane. (f) minimum ramus width. (g) maximum ramus height. (h) corpus length. (i) mandibular angle. (j) right coronoid process height. Measurements (f) and (j) were taken with a sliding caliper. Measurements (g), (h), (i) were made with a mandibulometer. c (SP 545, Les Petites Crottes collection). Measurements in the horizontal plane. (k) maximum right condyle length. (l) maximum right condyle width. (m) maximum left condyle length. (n) maximum left condyle width. All these measurements were taken with a sliding caliper. d (SP 545, Les Petites Crottes collection). Presence of exostosis at the mandibular angle. (o) exostosis at the mandibular angle.
Fig 2.
Distribution of individuals according to sex, age, and presence of exostoses at the mandibular angle.
The sample comprised 29 males, 19 females, and 32 subjects of undetermined sex. Of these, 42 had a total of 0 or 1 mandibular angle exostoses for both angles (group 1), and 38 had a total of 2 or more mandibular angle exostoses for both angles (group 2).
Fig 3.
Repeatability assessment for operator 1 (Bland-Altman plot).
Fig 4.
Repeatability assessment for operator 2 (Bland-Altman plot).
Fig 5.
Good agreement of 15 measurements for each of the 80 mandibles, between the two evaluators (Bland-Altman test).
Table 1.
Descriptive statistics for the overall sample.
Table 2.
Descriptive statistics for group 1 (42 mandibles).
Table 3.
Descriptive statistics for group 2 (38 mandibles).
Table 4.
Statistical analysis of the mandibular measurements of the whole sample according to the number of exostoses.