Maxillofacial Plastic and Reconstructive Surgery

Table 5 Comparison of MBL averages of NDIs according to conditions

From: Clinical outcome of narrow diameter dental implants: a 3-year retrospective study

	N	Vertical MBL(mm)		Horizontal MBL(mm)
	N	M±SD	t/F(p)	M±SD	t/F(p)
NDIs	174	0.33±0.32	-	0.18±0.17	-
Implant
Titanium type
TiZr	148	0.29±0.26	–2.548 (0.012)^†	0.16±0.16	–1.971 (0.050)
Cp Ti	126	0.38±0.36	–2.548 (0.012)^†	0.21±0.19	–1.971 (0.050)
Surface treatment
SLA	69	0.39±0.37^a	12.696 (0.005)^†	0.19±0.19	6.406 (0.093)^†
mSLA	128	0.28±0.26^b		0.16±0.16
RBM	46	0.39±0.39^c		0.20±0.17
CA	31	0.35±0.22^d		0.21±0.19
Implant position
Anterior	166	0.34±0.33	0.336 (0.737)	0.18±0.18	–0.126 (0.900)
Posterior	108	0.32±0.29	0.336 (0.737)	0.18±0.17	–0.126 (0.900)
Smoking
Yes	43	0.72±0.35	8.253 (0.000)^†	0.38±0.25	6.098 (0.000)^†
No	231	0.26±0.25	8.253 (0.000)^†	0.15±0.13	6.098 (0.000)^†

The mean comparison of MBL was performed using an independent sample t test
Kruskal-Wallis one-way test^†, Welch’s t test^† (not equal variance, heteroscedasticity)
The post hoc analysis was conducted with the Dunn test, and there was a significant difference between groups b and c

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