Comparison of Bone Resorption Rates after Intraoral Block Bone and Guided Bone Regeneration Augmentation for the Reconstruction of Horizontally Deficient Maxillary Alveolar Ridges

Table 3

Association between predictor (augmentation technique) and primary outcome (resorption) variable.

	GBR ( = 15)	RBG ( = 13)
	Mean ± SD	Mean ± SD
V1, mm^3	5557.50 ± 1060.73	4959.11 ± 1152.21
V2, mm^3	4853.61 ± 885.61	4594.13 ± 1035.67
V1-V2 (%)	12.48 ± 2.67	7.20 ± 1.40

⁢ samples t-test; .
GBR, guided bone regeneration; RBG, ramus block bone graft; V1 and V2, initial postaugmentation and posthealing graft volumes, respectively; V1-V2 (%), resorption rate.