Can micro threads reduce marginal bone loss around dental implants?

Last Updated: Jan 31, 2017

Can microthreads in the crestal portion of an implant reduce the amount of marginal bone loss (MBL) around implants? A recent review investigated this issue by comparing studies for marginal bone loss around dental implants with and without microthreads in the neck.
The conclusion:

Meta-analysis showed that microthread design in the implant neck can reduce the amount of marginal bone loss; however, randomized clinical trials included in the review were few and the difference was small. In clinical practice, an implant with a roughened surface and microthreaded neck could be selected to maintain bone level.

What has been your experience in your practice, if you have used both implants with and without microthreads in the neck?

Read the Full Abstract Here

1. J Prosthet Dent 117 (1), 34-40. 2016 Sep 16 Marginal Bone Loss Around Dental Implants With and Without Microthreads in the Neck: A Systematic Review and Meta-AnalysisW Niu et al.

2 Comments on Can micro threads reduce marginal bone loss around dental implants?

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Dr Harold Bergman

02/01/2017

There is a big difference between vetted microgrooves and poorly copied microthreads. See https://simplerimplants.com/wordpress/wp-content/uploads/Microgroove-Collars.pdf

mpedds

02/08/2017

I have restored many of both type of implants over the years and think there are too many variables at this point. I see many implants with micro threads that are placed with the threads above the crestal bone, clearly showing that whoever placed the fixture has a poor understanding of just what they are placing in the mouth. Add to this poorly fitting components and restorations and the picture is further complicated. I have patients with Braenemark implants that I restored 30 years ago that look like the day they were placed. We have an obligation to be critical and use only evidence based procedures and methods on our patients.

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