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Effect of Topically-Applied Hyaluronic-Acid on Pain and Palatal Epithelial Wound Healing: An Examiner-Blind, Randomized, Controlled Clinical Trial.
Journal of Periodontology 2017 September 16
BACKGROUND: This study aimed to evaluate the effects of two different concentrations of topical hyaluronic-acid on post-operative patient discomfort and wound healing of palatal donor sites following free gingival graft (FGG) surgery.
METHODS: Thirty-six patients requiring FGG were randomly assigned into three groups in an examiner-blind, randomized-controlled clinical trial. After harvesting palatal grafts, 0.2% and 0.8% hyaluronic-acid gels were used in the test-1 and -2 groups, respectively. Gels were applied on donor sites and protected with periodontal dressing in the test groups whereas the wound was covered only with periodontal dressing in the control group. On days 3-7-14 and 21, pain and burning sensation were recorded by using visual analog scale (VAS) as well as other parameters such as complete epithelization (CE) and color match on days 3-7-14-21-42.
RESULTS: Test groups experienced less pain than the control group on days 3 and 7 (P<0.001 and P<0.001, respectively). The mean VAS score for burning sensation was higher in the control group on day 3 compared to the test-1 and -2 groups (P=0.033 and P=0.020, respectively). CE in all patients was achieved on day 21 in both test groups while it was achieved on day 42 in the control group. The test groups showed higher color match scores than the control group on days 21 (P<0.001 and P<0.001, respectively) and 42 (P=0.004 and P=0.002, respectively).
CONCLUSION: Topical application of hyaluronic-acid exhibits positive impact on post-operative pain, burning sensation and accelerates palatal wound healing in terms of epithelization and color match.
METHODS: Thirty-six patients requiring FGG were randomly assigned into three groups in an examiner-blind, randomized-controlled clinical trial. After harvesting palatal grafts, 0.2% and 0.8% hyaluronic-acid gels were used in the test-1 and -2 groups, respectively. Gels were applied on donor sites and protected with periodontal dressing in the test groups whereas the wound was covered only with periodontal dressing in the control group. On days 3-7-14 and 21, pain and burning sensation were recorded by using visual analog scale (VAS) as well as other parameters such as complete epithelization (CE) and color match on days 3-7-14-21-42.
RESULTS: Test groups experienced less pain than the control group on days 3 and 7 (P<0.001 and P<0.001, respectively). The mean VAS score for burning sensation was higher in the control group on day 3 compared to the test-1 and -2 groups (P=0.033 and P=0.020, respectively). CE in all patients was achieved on day 21 in both test groups while it was achieved on day 42 in the control group. The test groups showed higher color match scores than the control group on days 21 (P<0.001 and P<0.001, respectively) and 42 (P=0.004 and P=0.002, respectively).
CONCLUSION: Topical application of hyaluronic-acid exhibits positive impact on post-operative pain, burning sensation and accelerates palatal wound healing in terms of epithelization and color match.
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