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Platform switching of dental implants useful approach for retaining crestal bone around dental implants
Platform switching of dental implants beneficial approach for retaining crestal bone around dental implants suggests a new study published in the Journal of Prosthetic Dentistry.
Platform switching using narrower abutments than the implant platform has been used to reduce marginal bone loss (MBL) surrounding dental implants. While platform switching has been reported to prevent initial peri-implant bone loss, available data regarding the use of the platform-switching implant abutment configuration with long-term follow-up has been sparse; thus, the systematic review was planned to evaluate the best available evidence for the use of the platform switching technique.
The purpose of this systematic review was to answer the specific question, "Is there a difference between platform-matching implant abutment configurations and platform-switching implant abutment configurations in terms of MBL changes around endosseous implants"?
The PubMed/Medline, Scopus, Google Scholar, and Lilac databases were searched by 2 independent reviewers for articles published between January 2000 and July 2022. Platform-switched versus platform-matched implants were examined for changes in MBL in human randomized clinical trials (RCTs) and potential clinically controlled cohort studies (PCCS).
Results
Overall, 4 eligible studies were included and critically evaluated to summarize their findings. The follow-up period of the included studies was between 5 and 10 years. Two of the included studies showed a mean ±standard deviation of 0.6 ±0.20 mm MBL at 5 years and 1.20 ±0.21 mm at 10 years for the platform switched (PS) technique and 1.1 ±0.3 mm and 1.24 ±0.39 mm MBL for the platform matched (PM) technique. Another study showed marginal bone level changes for the platform-switched technique to be 0.18 ±0.14 mm as compared with the platform matched technique (0.80 ±0.40 mm). In one of the studies published in 2019, the mean estimated difference in the marginal bone levels of PS- and PM-restored implants after 5 years was reported to be 0.29 mm. The descriptive analysis of 4 RCTs indicated that platform-switched implant-to-abutment connections reduced average marginal bone loss surrounding implants compared with platform-matched implant-to-abutment connections, favoring the platform-switched approach.
Platform switching appears to be a beneficial approach for retaining the crestal bone around dental implants.
Reference:
Marginal bone loss around implants with platform switching and platform matched connection: A systematic review. Journal of Prosthetic Dentistry. Sidhartha Tomar, Deepesh Saxena, Navpreet Kaur. Published:October 20, 2023DOI:https://doi.org/10.1016/j.prosdent.2023.09.009
Keywords:
Platform, switching, dental implants, beneficial, approach, retaining crestal bone, around, dental implants, Journal of Prosthetic Dentistry
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751