Table 1. CComparison of bone structure parameters among the PIERT, AI and CON groups. Data are means (±SD).

Group	TV (mm3)	OBV (%)	OBV/TV	Tb.Th (mm)	Tb.N
PIERT (n = 6)	23.57 (9.26)	10.58 (4.61)	.11 (.05)	.44 (.15) *	56.25 (55.91)
AI (n = 6)	28.31 (16.37)	10.05 (4.34)	.10 (.04)	.67 (.25)	13.5 (21.15)
CON (n = 6)	24.46 (6.07)	8.79 (1.86)	.09 (.02)	.52 (.10)	22.83 (20.19)

Compared with the AI group, p < 0.05/0.01