Table 11: Resonance frequency analysis for tapered and straight implants.

	Tapered		Straight
Mean S.D. n Range	73.7 6.4 161 53 - 84		72.2 8.0 163 30 - 85
	n	%	n	%
30 – 39	0	0	1	0.6
40 – 49	0	0	2	1.2
50 – 59	6	3.7	10	6.1
60 – 69	26	16.1	25	15.3
70 – 79	98	60.9	98	60.1
80 – 89	31	19.3	27	16.6