Characteristics Study group
(n = 55) 		Control group
(n = 55)
Frequency (%) Frequency (%)
Gender
Female 12 21.8 12 21.8
Male 43 78.2 43 78.2
Age
38 - 49 years 11 20 10 18.2
50 - 59 years 20 36.4 20 36.4
60 - 69 years 11 20 13 23.6
≥ 70 years 13 23.6 12 21.8
Smoking
Never 4 7.3 21 38.2
Current smoker 7 12.7 12 21.8
Ex-smoker 44 80 22 40
Use of removable denture
No 12 21.8 12 21.8
One complete denture 18 32.7 16 29.1
Two complete dentures 19 34.5 21 38.2
Partial dentures 6 10.9 6 10.9
Xerostomic medication
One or more drugs
(antihypertensive/antidepressant) 		19 34.5 23 41.8