Dental News - Microthreaded dental implants may preserve crestal bone

Dental Tribune International

Thu. 29. June 2017

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LEXINGTON, Ky., USA/DAMMAM, Saudi Arabia: Implants with a microthreaded-neck design are more effective than those with a machined or conventional rough surface, researchers have found. Their study findings indicate that less crestal bone is lost with implants with the first design. Furthermore, the shape may contribute to better primary implant stability.

The researchers, from the University of Kentucky in Lexington and the University of Dammam, investigated the impact of a microthreaded-neck design on crestal bone preservation, which is essential for implant stability. For the study, they analyzed 23 articles published between January 1995 and June 2016 and obtained via a relevant keyword search on three electronic databases. From these, they concluded that the addition of deeper threads on the implant allowed for greater stabilization between the implant and the bone, especially with weaker bone, and that less crestal bone was lost with dental implants that had a microthreaded-neck design than with those with a machined surface or conventional rough surface. Their findings demonstrate that geometry does affect the amount of stress and strain on the implant.

The scientists recommended additional trials to evaluate how bone loss might be affected by different implant types. Furthermore, they suggested that future studies use standardized imaging techniques to evaluate the placement of implants with a microthreaded-neck design in bone-augmented sites.

The study, titled “Microthreaded implants and crestal bone loss: A systematic review,” was published in the April issue of the Journal of Oral Implantology.

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Bone Crestal Dental Implants Microthreaded Preserve

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