Clinical Research Directory

Evaluation of Autogenous Demineralized Dentin Graft Vs Autogenous Bone Graft in Management of Intrabony Defects

Sponsor: Cairo University

Summary

The main goal is to evaluate and compare the clinical and radiographic efficacy of autogenous demineralized dentin as bone graft substitute versus autogenous bone graft when performed with modified minimally invasive surgical technique (M-MIST) in the treatment of periodontal intrabony defects. The main question is: In periodontitis patients with intrabony defects, will using autogenous demineralized dentin as bone graft substitute result in clinical attachment gain and linear bone fill similar to autogenous bone graft following modified minimally invasive surgical technique? After enrolment, each participant with intra-bony defects will receive the initial phase of the therapy, which will include oral hygiene instructions, supragingival and subgingival debridement using ultrasonic and hand instrumentations and relieving of occlusal trauma if any. After 4-6 weeks, an individually customized positioning stent will be fabricated for each participant and a pre-operative periapical x-ray using parallel-angle technique will be employed using X-ray film holding system to ensure accuracy and reproducibility of the measurements. Criteria used to indicate that surgery is required include the persistence of interproximal defect with PD (Probing depth) ≥ 5 mm, CAL (Clinical attachment loss) ≥ 4 mm. Surgical procedures will include flap elevation for approaching the defect-associated sites using the modified minimally invasive surgical technique (M-MIST). Intervention group: The defect will be filled with autogenous demineralized dentin graft prepared from the participant's freshly extracted own teeth. Control group: The defect will be filled with autogenous bone graft harvested from the retromolar area. For both groups, flaps will be approximated and sutured at the original position. All the subjects will be evaluated at 1, 3, and 6 months for clinical and radiographic parameters. Outcomes:The results of Clinical attachment level (CAL) gain, Linear bone fill, Gingival index (GI), Plaque index (PI), Probing pocket depth (PPD), Gingival recession (GR), Bleeding on probing (BoP), Postoperative pain and Patient satisfaction will be measured at baseline, 1 month, 3 months and after 6 months.

Official title: Clinical and Radiographic Evaluation of Autogenous Demineralized Dentin Graft Versus Autogenous Bone Graft in Management of Periodontal Intrabony Defects Using Modified Minimally Invasive Surgical Technique: A Non-Randomized Clinical Trial

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