Effects of Impacted Third Molars Extraction on Periodontal Status of Second Molar and Oral Health-Related Quality of Life
Figure 3.
Comparison of the percentage of gingival swelling and toothache between two groups at different observation point. A. Gingival swelling; B. Toothache. * P<0.05, ** P<0.01 compared with other observation point or control group.