What has been shown to improve with the use of tapered internal hex implants?

• A. Secondary stability
• B. Primary stability
• C. Visual aesthetics
• D. Healing rate

Answer: (B)

The use of tapered internal hex implants has been shown to improve primary stability, which is crucial for the early success of dental implants. Primary stability refers to the immediate mechanical engagement of the implant within the bone at the time of placement. Tapered designs allow for a greater insertion force and a more snug fit within the bone, which can enhance initial stability, particularly in less-than-ideal bone conditions.

This design also facilitates a better distribution of stress and load during the early healing phase, contributing to a successful osseointegration. The improved primary stability is especially beneficial for immediate loading protocols where the implant needs to sustain occlusal forces soon after placement, ensuring proper integration and minimizing micromotions that may occur if stability is lacking.

Other aspects like secondary stability, visual aesthetics, and healing rates play important roles in the overall success of dental implants, but the principal advantage of tapered internal hex implants is their ability to provide enhanced primary stability right at the moment of implantation.