Table 1.

Histomorphometric analysis at 21 days after surgery.

		Control	Empty MS	Scl-Ab MS	Systemic Scl-Ab
Length of new bone (mm)		2.52 ± 0.07	2.60 ± 0.12	2.43 ± 0.14	2.69 ± 0.09
Linear bridging bone (%)		96.4 ± 2.0	93.8 ± 3.4	89.9 ± 4.8	97.3 ± 1.8
Area of new bone (mm2)		0.92 ± 0.07	0.89 ± 0.06	0.83 ± 0.09	1.03 ± 0.05
Bone fill %		53.9 ± 3.5	46.0 ± 2.8	45.3 ± 4.1	61.2 ± 3.0a,b
New cementum	+	6/12	6/12	7/12	4/9
New cementum length (mm)		0.39 ± 0.08	0.40 ± 0.09	0.38 ± 0.10	0.58 ± 0.12
New cementum length (%)		32.8 ± 7.1	31.9 ± 7.5	32.4 ± 8.5	52.5 ± 9.8
Root resorption	+	3/12	7/12	6/12	1/9

For lengths and areas of new cementum/root resorption.

a; p < 0.05 compared to empty MS.

b; p < 0.05 compared to Scl-Ab MS.

Tukey–Kramer test.

For positive numbers of New Cementum and Root Resorption.

No significant differences.

Chi-square test.