Table 2.

Clinical outcomes of CNST and MINST.

	CNST (n = 9)	MINST (n = 9)	Significance
Periodontal probing depth (mm) (mean ± SD)
Baseline	3.43 ± 1.47	3.32 ± 1.49	n.s.
Post-treatment 1 month	2.60 ± 0.99	2.56 ± 1.05	n.s.
Post-treatment 3 months	2.51 ± 0.90	2.49 ± 1.01	n.s.
Gingival recession depth (mm) (mean ± SD)
Baseline	0.50 ± 0.79	0.65 ± 0.99	n.s.
Post-treatment 1 month	0.85 ± 0.9	0.98 ± 1.03	n.s.
Post-treatment 3 months	0.77 ± 0.85	0.88 ± 1.00	n.s.
Clinical attachment level (mm) (mean ± SD)
Baseline	3.88 ± 1.60	3.92 ± 1.74	n.s.
Post-treatment 1 month	3.46 ± 1.31	3.54 ± 1.48	n.s.
Post-treatment 3 months	3.28 ± 1.19	3.37 ± 1.39	n.s.
Gingival bleeding on probing (%) (mean ± SD)
Baseline	58 ± 12.66	51.22 ± 13.47	n.s.
Post-treatment 1 month	23.67 ± 10.19	26.22 ± 14.23	n.s.
Post-treatment 3 months	25.44 ± 13.24	23.67 ± 15.03	n.s.
	Difference between CNST and MINST (from baseline to 3 months post-treatment)
Changes of periodontal probing depth (mm) (mean ± SEM)
Anterior teeth	0.05 ± 0.06		n.s.
Posterior teeth	0.11 ± 0.10		n.s.
Changes of gingival recession depth (mm) (mean ± SEM)
Anterior teeth	0.02 ± 0.06		n.s.
Posterior teeth	−0.08 ± 0.05		n.s.
Changes of clinical attachment level (mm) (mean ± SEM)
Anterior teeth	0.17 ± 0.08		n.s.
Posterior teeth	−0.03 ± 0.11		n.s.
Changes of bleeding on probing (%) (mean ± SEM)
Anterior teeth	−0.03 ± 0.04		n.s.
Posterior teeth	0.06 ± 0.04		n.s.
Time consumption (second)	1412 ± 609.8	1559 ± 516.1	n.s.

Wilcoxon signed-rank test was used for intra-group comparison. Statistical significance set as p value < 0.05. n.s.: no significant difference.