Table 1 Percentage distribution of the posterior extension of the palatal rugae in relation to the teeth and according to gender, palatal shape and gingival phenotype
Posterior most extension of the rugae | Percentage (%) | Gender | Palatal shape | Gingival phenotype | Smoking status | ||||
|---|---|---|---|---|---|---|---|---|---|
Male n(%) | Female n(%) | High, narrow n(%) | Shallow, widen(%) | Thin n(%) | Thick n(%) | Smokers n(%) | Non-smokers n(%) | ||
Mesial of 1st premolar | 1 (1.7) | 1 (1.7) | 0 (0) | 1 (1.7) | 0 (0) | 1 (1.7) | 0 (0) | 0 (0) | 1 (1.7) |
Midpalatal of 1st premolar | 1 (1.7) | 0 (0) | 1 (1.7) | 1 (1.7) | 0 (0) | 0 (0) | 1 (1.7) | 0 (0) | 1 (1.7) |
Distal of 1st premolar | 4 (6.7) | 0 (0) | 4 (6.7) | 2 (3.3) | 2 (3.3) | 2 (3.3) | 2 (3.3) | 1 (1.7) | 3 (5.0) |
Mesial of 2nd premolar | 7 (11.7) | 3 (5.0) | 4 (6.7) | 6 (10) | 1 (1.7) | 0 (0) | 7 (11.7) | 0 (0) | 7 (11.7) |
Midpalatal of 2nd premolar | 14(23.3) | 9 (15.0) | 5 (8.3) | 9 (15) | 5 (8.3) | 6 (10.0) | 8 (13.3) | 1 (1.7) | 13 (21.7) |
Distal of 2nd premolar | 25 (41.7) | 13 (21.7) | 12 (20) | 13 (21.7) | 12 (20) | 9 (15) | 16 (26.7) | 4 (6.7) | 21 (35) |
Mesial of 1st molar | 8 (13.3) | 3 (5.0) | 5 (8.3) | 6 (10) | 2 (3.3) | 2 (3.3) | 6 (10.0) | 0 (0) | 8 (13.3) |
Total | 60 (100) | 29 (48.3) | 31 (51.7) | 38 (63.3) | 22 (36.7) | 20 (33.3) | 40 (66.7) | 6 (10) | 54 (90) |