Taking 200 mg Vitamin C Three Times per Day Improved Extraction Socket Wound Healing Parameters: A Randomized Clinical Trial

Table 1

% reduction in mean wound size between the 2 extraction sites in the P/600 group (placebo vs. 600 mg vitamin C/d).

	% reduction of the extraction wound at the placebo side	% reduction of the extraction wound at the 600 mg vitamin C/d side	value^a
Immediate and 7 days
Bucco-lingual	45.9	47.5	0.575
Mesio-distal	48.3	57.3	0.036
Depth	61.1	68.2	0.122
Immediate and 21 days
Bucco-lingual	54.8	58.9	0.445
Mesio-distal	54.6	60.2	0.262
Depth	83.3	86.2	0.398
7 days and 21 days
Bucco-lingual	13.8	18.7	0.575
Mesio-distal	11.3	5.9	0.416
Depth	56.8	49.6	0.540

SD, standard deviation. ^a value, Wilcoxon signed-rank test. .