Journal of Dental Rehabilitation and Applied Science:eISSN 2384-4272 pISSN 2384-4353

Table. 3.

Table. 3.

Occlusal wear patterns in teeth with palatal side abfractions depending on age (Parts defined in Fig. 1)

Total teeth Part 1 Part 2 Part 3 Part 4 Part 5 P
Below 29 13 3 (23.1%) 5 (38.5%) 8 (61.5%) 7 (53.8%) 7 (53.8%) < 0.292a
30 -39 12 7 (58.3%) 10 (83.3%) 9 (75.0%) 8 (66.7%) 8 (66.7%) < 0.724b
40 -49 56 15 (26.8%) 54 (96.4%) 53 (94.6%) 53 (94.6%) 32 (57.1%) < 0.000c
50 -59 100 33 (33.0%) 97 (97.0%) 98 (98.0%) 94 (94.0%) 63 (63.0%) < 0.000d
60 -69 87 34 (39.1%) 86 (98.9%) 86 (98.9%) 84 (96.6%) 62 (71.3%) < 0.000e
Over 70 45 15 (33.3%) 44 (97.8%) 45 (100.0%) 43 (95.6%) 32 (71.1%) < 0.000f

Chi-square test, α = 0.05.

X2: 4.952, df = 4;
X2: 2.063, df = 4;
X2: 112.400, df = 4;
X2: 184.190, df = 4;
X2: 153.894, df = 4;
X2: 88.918, df = 4.
J Dent Rehabil Appl Sci 2019;35:153-9 https://doi.org/10.14368/jdras.2019.35.3.153
© 2019 J Dent Rehabil Appl Sci