EVALUATION OF THE EFFECT OF HYALURONIC ACID MIXED WITH BIPHASIC CALCIUM PHOSPHATE ON BONE HEALING AROUND DENTAL IMPLANTS (EXPERIMENTAL STUDY)

Shamma, Mostafa M.; Ayad, Sherif S.; El-dibany, Riham M.; Nagui, Dina A.

doi:10.21608/adjalexu.2017.57868

EVALUATION OF THE EFFECT OF HYALURONIC ACID MIXED WITH BIPHASIC CALCIUM PHOSPHATE ON BONE HEALING AROUND DENTAL IMPLANTS (EXPERIMENTAL STUDY)

Document Type : Original Article

Authors

¹ B. D. S. Faculty of Dentistry, Alexandria University

² Professor of Oral & Maxillofacial Surgery, Faculty of Dentistry, Alexandria University

³ Lecturer of Oral Biology, Faculty of Dentistry, Alexandria University.

10.21608/adjalexu.2017.57868

Abstract

INTRODUCTION: Biphasic calcium phosphate (BCP) is very widely used as a grafting material around dental implants. The properties of such material can be enhanced by adding interpositional graft materials to enhance osteoinduction. Hyaluronic acid (HyA) is an example of osteopromoting materials that can be added to the BCP to enhance its osteoinductive properties. OBJECTIVES: Histological evaluation of using HyA with BCP on bone healing around dental implants. MATERIALS AND METHODS: This study was a split mouth design. It was conducted on 9 mongrel dogs. The dogs were allocated into two groups: Group A (Study Group): The right side of the mandible received dental implants with biphasic calcium phosphate bone graft mixed with hyaluronic acid following extraction of the mandibular third premolar. Group B (Control Group): The left side of the mandible received dental implants with biphasic calcium phosphate bone graft only following extraction of the mandibular third premolar. Dogs were sacrificed at 2, 4 and 6 weeks postoperatively. Segments containing the implant and bone graft were retrieved with adjacent bone to be prepared for histological examination using Haematoxylin and eosin stain and Trichrome stain. RESULTS: All animals survived well, and remained active and alert all over the course of the experiment. Both groups were characterized by new bone formation. The newly formed bone was more evident in association with group (A). CONCLUSIONS: HyA accelerates the onset of new bone formation when combined with BCP for bone augmentation in the treatment of osseous defects.

Keywords

Main Subjects

Oral and maxillofacial surgery

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