Efficacy of Alveolar Ridge Preservation after Maxillary Molar Extraction in Reducing Crestal Bone Resorption and Sinus Pneumatization: A Multicenter Prospective Case-Control Study

Table 1

Demographic characteristics.

Gender	Age			Sample size
	Test	Control	Diff.	Test	Control	Diff.
Males	53.4 ± 7.3	51.9 ± 6.5	0.342; NS	7	7	1; NS
Females	56.1 ± 4.2	55.4 ± 5.8		8	8

Age is presented as mean±standard deviation. Diff., significance of the difference between the groups. NS, no significant difference.