DISCUSSION
tooth loss
TOOTH HYPERSENSITIVITY, ROOT CARIES
GR has many problems, including tooth hypersensitivity, root caries, the unaesthetic appearance of the gums, periodontal attachment loss, and tooth loss (Jenabian et al., According to the search of the PubMed database, this is the first study that evaluates the effects of liquid PRF on wound‐healing, the width of attached gingiva, and RC with FGG in a split‐mouth study design. We used “ Liquid PRF“ term instead of” i‐PRF” in the current study based on the recommendations by Miron et al. (HI values of the liquid PRF group were significantly better than the control group on the 7th and 14th days. It may be explained by the high concentration of growth factors in PRF increasing the production of fibroblasts and myofibroblasts and inducing angiogenesis resulting accelerate early wound‐healing (Alpan & Cin, 