Table 1 Baseline characteristics of participants

Age (SD)

69.2 (10.6)

66.6 (9.1)

68.4 (9.9)

0.57^†

Gender

6 men

3 men

9 men

0.25^‡

4 women

6 women

10 women

ACP classification

0.89^‡

 I

2

2

4

 II

3

2

5

 III

4

3

7

 IV

1

2

3

Maxillary occlusion status

3 dentulous

2 dentulous

5 dentulous

7 edentulous

7 edentulous

14 edentulous