Table 1 Frequency distribution of four types of crestal and radicular dentoalveolar phenotype (CRDAP) of investigated teeth in the anterior mandibular region
Total | CRDAP Class I | CRDAP Class II | CRDAP Class III | CRDAP Class IV | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Variables | n | n | % | n | % | n | % | n | % | p |
Side | 0.487 | |||||||||
Right | 447 | 44 | 9.8 | 92 | 20.6 | 46 | 10.3 | 265 | 59.3 | |
Left | 447 | 53 | 11.9 | 76 | 17.0 | 47 | 10.5 | 271 | 60.6 | |
Tooth type | < 0.001 | |||||||||
Central incisor | 298 | 58 | 19.5 | 56 | 18.8 | 26 | 8.7 | 158 | 53.0 | |
Lateral incisor | 298 | 25 | 8.4 | 74 | 24.8 | 31 | 10.4 | 168 | 56.4 | |
Canine | 298 | 14 | 4.7 | 38 | 12.8 | 36 | 12.1 | 210 | 70.5 | |
Side and tooth type | < 0.001 | |||||||||
Central incisor, right | 149 | 24 | 16.1 | 31 | 20.8 | 13 | 8.7 | 81 | 54.4 | |
Central incisor, left | 149 | 34 | 22.8 | 25 | 16.8 | 13 | 8.7 | 77 | 51.7 | |
Lateral incisor, right | 149 | 13 | 8.7 | 38 | 25.5 | 16 | 10.7 | 82 | 55.0 | |
Lateral incisor, left | 149 | 12 | 8.1 | 36 | 24.2 | 15 | 10.1 | 86 | 57.7 | |
Canine, right | 149 | 7 | 4.7 | 23 | 15.4 | 17 | 11.4 | 102 | 68.5 | |
Canine, left | 149 | 7 | 4.7 | 15 | 10.1 | 19 | 12.8 | 108 | 72.5 | |
Total | 894 | 97 | 10.9 | 168 | 18.8 | 93 | 10.4 | 536 | 60.0 | |