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Evaluation of Topical Erythropoietin Application on the Healing Outcome of Gingival Graft Recipient Site; a Randomized Controlled Clinical Trial Publisher Pubmed



Yaghobee S1 ; Rouzmeh N1 ; Taheri M1 ; Aslroosta H1 ; Mahmoodi S2 ; Mohammadnejad Hardoroodi M3 ; Soleimanzadeh Azar P4 ; Khorsand A1
Authors
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Authors Affiliations
  1. 1. Periodontics Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Independent Researcher, Novin Formula Consulting Group, Tehran, Iran
  3. 3. Private Office, Qaemshahr, Iran
  4. 4. Endodontic Department, UTHSCSA, San Antonio, TX, United States

Source: BMC Oral Health Published:2021


Abstract

Background: Free gingival graft (FGG) is a highly predictable method to increase the width of keratinized gingiva. Various materials have been reported to accelerate the wound healing process. Considering the positive effect of EPO on dermal wound healing this study aimed to investigate the effects of EPO on the rate of healing and degree of inflammation in free gingival grafts. Methods: Seventeen patients with bilateral lack of keratinized gingiva in mandible were selected for this clinical trial. The surgical intervention was performed after phase I periodontal therapy. Recipient site was prepared apical to the mucogingival line, and FGG was harvested from the palate. Before graft placement, the test side and control side were treated with 1 ml of EPO 4000 IU/ml and distilled water, respectively, for 2 min. On days 7, 14, 21, 28, 60, and 90 after surgery, the grafted sites were examined by blinded observers to compare the healing and inflammation of the areas. Results: All the 17 patients completed the surgeries and follow-up examinations. Direct examination revealed significantly better healing in EPO group only on the 28th day. Assessment of the photographs showed a significant value in favor of the test group at some other time points as well. The EPO group demonstrated less inflammation, which was statistically significant in many time points. The graft area was 80.88 ± 30.21 mm2 and 71.35 ± 15.62 mm2 in the EPO and control groups, respectively. The difference was not significant, though. Conclusions: Topical application of erythropoietin can accelerate the healing of gingival grafts and reduce the inflammation during healing period. The final graft outcome, nevertheless, does not seem to be influenced by EPO. Trial registration This was a split-mouth randomized controlled clinical trial (IRCT201201278830N1). The first registration date: 2016-10-22 © 2021, The Author(s).
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