Clinical applications of concentrated growth factors combined with bone substitutes for alveolar ridge preservation in maxillary molar area: a randomized controlled trial

International Journal of Implant Dentistry

Table 2 Between and within-group comparison of alveolar bone area in C-, M-, and D-sections for the three groups. (mm², Mean ± SD)

Parameter	Group	Baseline	8 month postoperative	Difference value	P value^b
C-section	CGFs/DBBM (n = 12)	144.71 ± 19.54	131.96 ± 18.45	12.75 ± 2.22^†	< 0.001
	DBBM (n = 12)	134.59 ± 21.84	120.51 ± 20.59	14.08 ± 2.51^†	< 0.001
	Control (n = 12)	141.63 ± 24.05	96.59 ± 24.54	45.04 ± 8.38^‡	< 0.001
P value^a				< 0.001
M-section	CGFs/DBBM (n = 12)	160.96 ± 21.54	146.27 ± 20.23	14.69 ± 2.82^†	< 0.001
	DBBM (n = 12)	146.23 ± 23.71	130.81 ± 24.03	15.42 ± 3.47^†	< 0.001
	Control (n = 12)	139.82 ± 26.07	107.84 ± 22.91	31.98 ± 8.34^‡	< 0.001
P value^a				< 0.001
D-section	CGFs/DBBM (n = 12)	163.49 ± 22.53	146.54 ± 23.69	16.95 ± 4.17^†	< 0.001
	DBBM (n = 12)	159.38 ± 21.88	143.29 ± 19.21	16.09 ± 3.97^†	< 0.001
	Control (n = 12)	144.71 ± 26.27	112.86 ± 24.26	31.85 ± 8.52^‡	< 0.001
P value^a				< 0.001

^aOne-way ANOVA
^bPaired Student's t test
^†P < 0.05 (difference value post hoc LSD-t test, statistically significant difference compared with control group)
^‡P < 0.05 (difference value post hoc LSD-t test, statistically significant difference compared with DBBM group)