Table 2.
Comparison of occlusal condition according to Eichner's classification of the two group.
Eichner's classification (n, %) | Prosthetic (n = 193) | TMD (n = 199) | P-value |
---|---|---|---|
Class A | 61 (31.6) | 171 (85.9) | <0.001a |
A1 | 23 (11.9) | 113 (56.8) | |
A2 | 22 (11.4) | 47 (23.6) | |
A3 | 16 (8.3) | 11 (5.5) | |
Class B | 91 (47.2) | 24 (12.1) | <0.001a |
B1 | 31 (16.1) | 10 (5.0) | |
B2 | 24 (12.4) | 5 (2.5) | |
B3 | 19 (9.8) | 5 (2.5) | |
B4 | 17 (8.8) | 4 (2.0) | |
Class C | 41 (21.2) | 4 (2.0) | <0.001a |
C1 | 5 (2.6) | 0 (0.0) | |
C2 | 22 (11.4) | 3 (1.5) | |
C3 | 14 (7.3) | 1 (0.5) |
, chi-square. TMD temporomandibular disorder. A1, four support zones with no teeth lost; A2, four support zones with tooth loss on one side; A3, four support zones with tooth loss on both side; B1, three support zones; B2, two support zones; B3, only one support zones; B4, no support zones, occlusal contact at anterior teeth; C1, no support zones, teeth remaining on both arches; C2, one edentulous arch; C3, two edentulous arches.