Table 2.

Mean (SD) difference in proportion and P value of alveolar ridge width for control and test group 1, 4 and 8 weeks after extraction.

	Extraction to one week	Extraction to four weeks		Extraction to eight weeks	One week to four weeks	One week to eight weeks	Four weeks to eight weeks
Control group (mean difference)	3.26 ± 2.21	9.79 ± 6.02	13.54 ± 6.57		6.72 ± 5.25	11.08 ± 6.78	4.20 ± 1.47
Test group (mean difference)	2.09 ± 0.84	5.22 ± 0.80	8.58 ± 1.73		3.19 ± 0.77	6.33 ± 1.35	3.24 ± 1.21
P value	0.141	0.012*	0.036*		0.012*	0.036*	0.37

^*The mean difference is significant at the P < 0.05.