Table 2.

Operative time in the piezosurgery alveoloplasty group was significantly higher compared to the conventional group using independent –T test

Healing index	Criteria
1—Very Poor	(1) Tissue color: >  = 50% of Gingiva red
	(2) Response to palpation: Bleeding
	(3) Granulation tissue: Present
	(4) Incision margin: Not epithelialized, with loss of epithelium beyond incision margin
	(5) Suppuration: Present
2—Poor	(1) Tissue color: >  = 50% of gingiva red
	(2) Response to palpation: Bleeding
	(3) Granulation tissue: Present
	(4) Incision margin: Not epithelialized, with connective tissue exposed
3—Good :	(1) Tissue color: >  = 25% and < 50% of gingiva red
	(2) Response to palpation: No bleeding
	(3) Granulation tissue: None
	(4) Incision margin: No connective tissue exposed
4—Very Good	(1) Tissue color: < 25% of gingiva red
	(2) Response to palpation: No bleeding
	(3) Granulation tissue: None
	(4) Incision margin: No connective tissue exposed
5—Excellent	(1) Tissue color: All tissues pink
	(2) Response to palpation: No bleeding
	(3) Granulation tissue: None