J Korean Assoc Oral Maxillofac Surg.  2021 Apr;47(2):91-98. 10.5125/jkaoms.2021.47.2.91.

Efficacy of local hyaluronidase administration in guided bone regeneration surgery: a randomized controlled trial

Affiliations
  • 1Department of Oral and Periodontology, Section of Dentistry, Seoul National University Bundang Hospital, Seoul, Korea.
  • 2Department of Conservative Dentistry, Section of Dentistry, Seoul National University Bundang Hospital, Seoul, Korea.
  • 3Biomedical Research Institute, Seoul National University Bundang Hospital, Seoul, Korea.
  • 4Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Seoul, Korea.
  • 5Department of Dentistry and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.

Abstract


Objectives
Hyaluronoglucosaminidase (hyaluronidase) increases the local intercellular permeability of the peripheral lymphatic channel and capillaries, which may help reduce edema. In the present study, the effects of hyaluronidase on postoperative edema and pain reduction were evaluated.
Materials and Methods
The study included 38 patients who underwent guided bone regeneration (GBR) surgery before implantation. Patients were randomly assigned to either the control group (n=20) or the test group (n=18). Hyaluronidase was injected into the GBR site of subjects in the test group. Postoperative edema was evaluated by measuring the distance between specific facial landmarks immediately after surgery (T1) and 2-4 days after surgery (T2). The degree of pain at T2 and at 10-14 days after surgery (T3) was assessed.
Results
In the test group, the degree of swelling was lower than in the control group, however, only two measurements, from the tragus to the mouth corner and from the outer canthus to the mouth corner, showed statistically significant differences (P=0.012 and P=0.001, respectively). The antiedema effect of hyaluronidase was more effective in the maxilla than in the mandible. In the maxilla, the percentage of facial swelling was significant for three measurements. However, in the mandible, the percentage of facial swelling was significant for only one measurement. Low levels of pain that were similar at T2 and T3 were reported in both groups.
Conclusion
The results indicate the degree of swelling was lower in the test group and hyaluronidase appeared to be more effective in the maxilla. The degree of pain reduction was similar between groups. Further in vivo and randomized controlled trials with larger sample sizes are warranted.

Keyword

Hyaluronoglucosaminidase; Bone graft; Guided bone regeneration; Postoperative edema; Pain reduction
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