IMMEDIATE IMPLANT PLACEMENT THROUGH INTER-RADICULAR BONE DRILLING BEFORE VERSUS AFTER ROOTS EXTRACTION IN MANDIBULAR MOLAR AREA (A RANDOMIZED CONTROLLED CLINICAL TRIAL)

Document Type : Original Article

Authors

1 Associate Professor of Oral & Maxillofacial Surgery, Oral & Maxillofacial Surgery Department Faculty of Dentistry, Alexandria University, Alexandria, Egypt

2 Associate Professor at Oral Medicine, Periodontology, Oral Diagnosis and Oral Radiology department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt

Abstract

Placement of immediate implant in mandibular molar area is considered a great challenge, due to the difficulty of implant bed preparation in the presence of interradicular bone septa. Therefore, this study introduces a simple technique for implant bed preparation.
Objectives: This study aimed to compare clinically and radiographically the effect of performing two different surgical approaches for implant bed preparation.
Materials and Methods: A randomized, controlled clinical trial was conducted on twenty six adult patients equally divided between a study group; where an immediate implant was installed following an innovative drilling protocol through drilling in the inter-radicular bone preceding molar extraction and a control group; where an immediate implant was installed conventionally after molar extraction. Clinical evaluation included assessing implant stability quotient (ISQ) at base line and after 6 months. While radiographic evaluation was done through periapical X-ray and CBCT to assess the implant position and marginal bone loss around the installed implants at baseline and after 6 months.
Results: Clinical results revealed that there was no statistical significance difference in mean average ISQ between both groups at base line and after 6 months. Regarding the radiographic results the study group showed that the paralleling pin was more centrally oriented within the inter-radicular bone in comparison to control group. Concerning the marginal bone loss there was no statistical difference between the two groups.
Conclusion: The implant bed preparation before roots extraction allows optimal positioning and angulation of the immediate implant in mandibular molar area, thus enabling ideal future prosthesis.

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Egyptian Dental Journal
Volume 68, Issue 2 - Serial Number 2
April Oral Surgery
April 2022
Pages 1377-1388

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