Table 1.

Summary of demographic data.

Variable	N (%)
Age (mean ± SD)	54.2 ± 9.7
Gender
Males	6 (75.0)
Females	2 (25)
Teeth position
Bilateral premolars	5 (62.5)
Bilateral molars	2 (25.0)
Bilateral canine	1 (12.5)

SD = standard deviation.