New surgical procedure to treat peri-implantitis

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A team from Korea has studied a novel surgical procedure to combat peri-implantitis and have published their findings in the current issue of the Journal of Oral Implantology.

Peri-implantitis is an irreversible inflammatory disease that is commonly caused by plaque and biofilm that accumulates on the exterior of a dental implant. It affects both the soft and hard tissues surrounding the implant, and without treatment, may result in excessive bone loss proximal to the implant and its eventual failure.

Surgical therapies are most suitable for accessing and removing the biofilm, and thereby impeding the progression of the disease.

Hoping to improve on current therapies, the Korean researchers conducted two case studies using a newly developed cleaning and regenerative surgical process.

In both cases, a round titanium brush was used to remove the debris, while maintaining the rough surface of the diseased implant. A regenerative approach incorporating bone graft materials was then used to rebuild the bone surrounding the implant.

The key to successful regeneration of the bone proximal to the implant is to successfully remove the plaque biofilm while maintaining the rough implant surface. The titanium brush used in this technique was extremely effective at removing the plaque biofilm that was causing the disease, while also preserving the rough surface of the implant threads. This made the regenerative process more successful and predictable.

“The results obtained in the present two cases emphasise the importance of mechanical decontamination by eliminating the contaminated surface and creating a new rough surface for a regenerative approach in the treatment of severe peri-implantitis,” the researchers noted.

“This technique has the advantages of effective cleaning of the contaminated implant surface and producing positive clinical and radiological results during the two-year follow-up period. However, further studies are necessary to verify the reliability and validity of this technique.”

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