Tugba Bezgin1, Ayca Dilara Yilmaz2, Burcu Nihan Celik3, Mehmet Eray Kolsuz4, Hayriye Sonmez3. 1. Department of Pedodontics, Faculty of Dentistry, Ankara University, Ankara, Turkey. Electronic address: cetintugba@yahoo.com. 2. Molecular Biology Laboratory, Faculty of Dentistry, Ankara University, Ankara, Turkey. 3. Department of Pedodontics, Faculty of Dentistry, Ankara University, Ankara, Turkey. 4. Department of Maxillofacial Radiology, Faculty of Dentistry, Ankara University, Ankara, Turkey.
Abstract
INTRODUCTION: Current research is concerned with discovering better scaffolds for use in regenerative endodontic treatment. This study aimed to clinically and radiographically evaluate the efficacy of platelet-rich plasma (PRP) used as a scaffold in regenerative endodontic treatment and compare it with that of a conventional blood clot (BC) scaffold. METHODS: A total of 20 necrotic, single-rooted immature teeth were randomly distributed into 2 groups. After disinfecting the root canal space with triple antibiotic paste (1:1:1 ciprofloxacin, metronidazole, and cefaclor), a tissue scaffold was created by using either PRP or BC and covered with white mineral trioxide aggregate. Clinical and radiographic follow-up examinations were performed once every 3 months during an 18-month period. Differences in root area were calculated from preoperative and postoperative radiographs. Fisher exact and Mann-Whitney U tests were used to evaluate differences between groups, with P value <.05 considered to be statistically significant. RESULTS: All 20 teeth were clinically asymptomatic during 18-month follow-up period; however, 1 tooth in the BC group exhibited periapical pathosis and was judged radiographically unsuccessful. Complete apical closure was observed in a mean of 8.1 months in the PRP group compared with 9 months in the BC group. The PRP group exhibited 9.86% increase in root area, compared with 12.6% increase in the BC group. The difference in success rates between the groups was not statistically significant (P > .05). CONCLUSIONS: PRP successfully created a scaffold for regenerative endodontic treatment; however, treatment outcomes did not differ significantly between PRP and conventional BC scaffold.
INTRODUCTION: Current research is concerned with discovering better scaffolds for use in regenerative endodontic treatment. This study aimed to clinically and radiographically evaluate the efficacy of platelet-rich plasma (PRP) used as a scaffold in regenerative endodontic treatment and compare it with that of a conventional blood clot (BC) scaffold. METHODS: A total of 20 necrotic, single-rooted immature teeth were randomly distributed into 2 groups. After disinfecting the root canal space with triple antibiotic paste (1:1:1 ciprofloxacin, metronidazole, and cefaclor), a tissue scaffold was created by using either PRP or BC and covered with white mineral trioxide aggregate. Clinical and radiographic follow-up examinations were performed once every 3 months during an 18-month period. Differences in root area were calculated from preoperative and postoperative radiographs. Fisher exact and Mann-Whitney U tests were used to evaluate differences between groups, with P value <.05 considered to be statistically significant. RESULTS: All 20 teeth were clinically asymptomatic during 18-month follow-up period; however, 1 tooth in the BC group exhibited periapical pathosis and was judged radiographically unsuccessful. Complete apical closure was observed in a mean of 8.1 months in the PRP group compared with 9 months in the BC group. The PRP group exhibited 9.86% increase in root area, compared with 12.6% increase in the BC group. The difference in success rates between the groups was not statistically significant (P > .05). CONCLUSIONS:PRP successfully created a scaffold for regenerative endodontic treatment; however, treatment outcomes did not differ significantly between PRP and conventional BC scaffold.
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