Observational Study on the Preparation of the Implant Site with Piezosurgery vs. Drill: Comparison between the Two Methods in terms of Postoperative Pain, Surgical Times, and Operational Advantages

Table 2

Operative surgery duration evaluated considering the different bone types.

Groups	D2 mean times (min)	D3 mean times (min)	Diff.
G1	10.74 ± 5	8.6 ± 4.6
G2	13.04 ± 6.9	13.15 ± 5.5
Diff.

Mann–Whitney test. Wilcoxon test.