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. 2013 Oct 8;12:99. doi: 10.1186/1475-925X-12-99

Table 1.

The relative height of residual alveolar ridge after tooth extraction

Time (weeks)  
 Group
  
Experimental group Control group Blank control group
4
 0.9890 ±0.0079*#
 0.9651 ±0.0075
 0.9612 ±0.0126
8
 0.9828 ±0.0093*#
 0.9495 ±0.0116#
 0.9317 ±0.0103
12 0.9579 ±0.0101*# 0.9213 ±0.0166# 0.8992 ±0.0155

Values are expressed as means ± SD (n = 6). *p < 0.05, significantly different compared with control group, # p < 0.05, significantly different compared with blank control group.