Minimally Invasive Surgical Technique in Management of Intrabony Defects

Plain-language summary

In the fast-growing era of contemporary periodontology, the understanding of biological concepts in wound healing together with the evolution of the flap design and biomaterials applied in periodontal regeneration allowed for improved minimally invasive surgical techniques. As minimally invasive approaches reduce the surgical trauma, maintain soft tissue support which allow stable primary closure of the wound. These advantages have led more researchers to apply the concept of minimally invasive surgical techniques (MISTs) in the treatment of infrabony lesions. Granulation tissue is an immature connective tissue that appears naturally during chronic inflammation or wound healing. This tissue is not a cause of periodontitis. So, no need to remove it during periodontal treatment. The aim of preservation of the defect-filling granulation tissue after detachment of its base is assumed to act as a soft tissue support, and to increase wound stability especially in the area of the interdental papilla and avoid post-operative marginal recession. One of the alloplastic bone grafts is βeta tri-calcium phosphate (β-TCP). β-TCP has been widely used in periodontal regeneration, where many studies used beta tri-calcium phosphate alone or in combination with other grafting materials in different surgical regenerative procedures have shown promising results for bone filling and new vital bone formation. Hyaluronic acid gel shows anti-inflammatory, antibacterial, and antioxidant properties in the treatment of periodontal diseases. In addition, due to its viscoelastic properties, it can be used as an adjunct to maintain space during periodontal tissue regeneration. A concentration of 0.8% hyaluronic acid gel has been used effectively in the non-surgical and surgical management of periodontal diseases. Aim of The Study The aim of the present study is to evaluate the effects of the minimally invasive surgical technique with and without granulation tissue preservation using a combination of beta tri calcium phosphate and hyaluronic acid gel.

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