Question: I read with great interest your column on fixing a loose crown attached to an implant. Although removing the crown and tightening, what you called “the abutment screw” solved the problem, I ...

A technique to manage an unusual presentation of an implant abutment screw fracture is presented. Causes of abutment screw loosening and fracture are reviewed. Design features that improve the ...

Abutment screw loosening is one of the most common complications associated with implant prosthetics. Although in most cases it is relatively straightforward to manage it can, nevertheless, lead to ...

When you are tightening CAD/CAM-fabricated zirconia single-implant crowns into an internal conical seal implant-abutment connection, you know there is going to be some displacement, but how much? And ...