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Year : 2019  |  Volume : 25  |  Issue : 1  |  Page : 9-13

Bone level measurements around platform switched and platform matched implants: A comparative study

1 Private Practitioner, New Delhi, India
2 Department of Prosthodontics, Crown and Bridge, Yogita Dental College, Khed, Rantagiri, India
3 Private Practitioner, Oral and Maxillofacial Surgeon, Ratnagiri, Maharashtra, India

Correspondence Address:
Dr. Vivek Rana
Private Practitioner, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njs.NJS_19_18

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Background: The overall success of dental implants depends on the crestal bone support around the implants. During the initial years, the bone loss around the implants determines the success rate of treatment. Platform switching (PLS) preserves the crestal bone loss, and this approach must be applied clinically. Aim: The purpose of this study was to determine the changes in vertical and horizontal marginal bone levels in platform-switched and platform-matched dental implants. Materials and Methods: One fifty patients received one fifty dental implants in the present study over a 1-year period. Measurement was performed between the implant shoulder and the most apical and horizontal marginal defect by periapical radiographs to examine the changes of peri-implant alveolar bone before and 12 months after prosthodontic restoration delivery. Results: These marginal bone measurements showed a bone gain of 1.56 ± 2.4 mm in the vertical gap and 1.49 ± 2.24 mm in the horizontal gap of the platform matching, while in the PLS, a bone gain of 2.67 ± 2.0 mm in the vertical gap (P < 0.05) and 2.89 ± 1.67 mm in the horizontal gap was found. Only a statistically significant difference was found comparing bone gains in the vertical gap between the two groups (P < 0.05). Conclusion: PLS helps preserve crestal bone around the implants, and this concept should be followed when clinical situations in implant placement permit.

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