Bone resorption at the site of a dental implant is known to be the predominate issue with implant failure. The primary cause of this bone loss is due to the presence of bacteria within and around the implant / abutment connection. It is a proven and well known fact that bacteria will grow in gaps as small as .8 micron, and most implant systems, because of their design, allow gaps many times this size in the implant / abutment connection.
Implants with tapered connections, by design, wedge together at installation. Compression of the interface from the chewing function naturally causes the interface to wedge even tighter as time goes on, thereby eliminating the potential for bacteria growth and reducing or eliminating bone loss.
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