The Journal of craniofacial surgery · 2026
Polynucleotide-Hyaluronic Acid Gel as an Adjunct to Tooth Extraction in Patients at Risk of MRONJ: A Randomized Split-Mouth Clinical Trial.
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Ronsivalle Vincenzo, Cammarata Umberto, Perrotta Rosario, Giudice Roberta, Cicciù Marco
Аннотация
OBJECTIVE: To evaluate whether adjunctive intrasocket application of a polynucleotide-hyaluronic acid gel improves early post-extraction soft-tissue healing and postoperative pain in patients exposed to medications associated with medication-related osteonecrosis of the jaw.
MATERIALS AND METHODS: In this single-center randomized split-mouth clinical study, adults requiring bilateral simple tooth extractions in the same arch and opposite hemi-arches underwent 2 procedures in separate sessions spaced 4 weeks apart. After extraction and socket debridement, the test site received 0.5 mL of polynucleotide-hyaluronic acid gel (Regenfast ® ) before primary closure, whereas the control site received standard management without adjunctive biomaterial. Wound healing was assessed using the inflammatory proliferative remodeling (IPR) wound-healing scale. The primary outcome was the total IPR score at 6 weeks. Secondary outcomes were IPR subscale scores at 3 to 5 days, 14 days, and 6 weeks, and postoperative pain measured with the Numerical Rating Scale (NRS). Paired comparisons were performed with appropriate within-patient tests.
RESULTS: Thirty-two patients (13 men, 19 women) completed follow-up without adverse events. No significant differences were found between test and control sites at 3 to 5 days ( P =0.521), at 6 weeks ( P =0.841), or for total IPR score at 6 weeks ( P =0.318). A statistically significant difference favoring the test sites was observed at 14 days ( P <0.05). Postoperative pain did not differ between sites ( P =0.873).
CONCLUSIONS: Adjunctive polynucleotide-hyaluronic acid gel was associated with a phase-specific improvement in soft-tissue healing at 14 days, without significant differences in overall 6-week healing or pain.
MATERIALS AND METHODS: In this single-center randomized split-mouth clinical study, adults requiring bilateral simple tooth extractions in the same arch and opposite hemi-arches underwent 2 procedures in separate sessions spaced 4 weeks apart. After extraction and socket debridement, the test site received 0.5 mL of polynucleotide-hyaluronic acid gel (Regenfast ® ) before primary closure, whereas the control site received standard management without adjunctive biomaterial. Wound healing was assessed using the inflammatory proliferative remodeling (IPR) wound-healing scale. The primary outcome was the total IPR score at 6 weeks. Secondary outcomes were IPR subscale scores at 3 to 5 days, 14 days, and 6 weeks, and postoperative pain measured with the Numerical Rating Scale (NRS). Paired comparisons were performed with appropriate within-patient tests.
RESULTS: Thirty-two patients (13 men, 19 women) completed follow-up without adverse events. No significant differences were found between test and control sites at 3 to 5 days ( P =0.521), at 6 weeks ( P =0.841), or for total IPR score at 6 weeks ( P =0.318). A statistically significant difference favoring the test sites was observed at 14 days ( P <0.05). Postoperative pain did not differ between sites ( P =0.873).
CONCLUSIONS: Adjunctive polynucleotide-hyaluronic acid gel was associated with a phase-specific improvement in soft-tissue healing at 14 days, without significant differences in overall 6-week healing or pain.