Retro MTA and tricalcium phosphate/retro MTA for guided tissue regeneration of periodontal dehiscence defects in a dog model: a pilot study

Table 1 Histometric analyses of the periodontal tissue formation [mean ± SD, mm]

	MTA	MTA + TCP	NO 1 control ^¥	NO 2 control^₤
New bone	2.25 ± 0.24 *	2.87 ± 0.42 **	1.25 ± 0.32	0.55 ± 0.45
New cementum	3.24 ± 0.56 *	3.74 ± 0.34 **	1. 15 ± 0.45	0.78 ± 0.65
New PDL	4.32 ± 0.35	4.45 ± 0.25	3.14 ± 0.45	2.65 ± 0.67

n = 8 for each treatment
*Statistically significant difference between MTA group and both of control groups (P < 0.0001)
**Statistically significant difference between MTA + TCP group and both of control groups (P < 0.0001)
^¥Control group 1: The defects which were left unfilled and just covered with a collagen membrane
^₤Control group 2: The defects which were left without any treatment

ISSN: 2055-7124