Table 1.

Age distribution in two groups of patients studied

Age group	Button hole(N = 30)	Percentage	Underlay	Percentage
19–28	04	13.3%	05	16.7%
29–38	13	43.3%	10	33.3%
39–48	10	33.3%	10	33.3%
49–58	03	10%	05	16.7%