Implant-based prostheses can be cement-retained, screw-retained or a combination of both (Fig 1). By definition, an abutment is a component that is intermediate between the implant and the restoration and it is usually screw...
Advantages of abutment-supported prostheses are 1) When implants are not parallel to each other, the use of angulated abutments can "correct" for the non-parallelism 2) Angulated abutments are available for a screw-retained prosthesis and 3) Custom abutments can be...
Flapless implant surgery is a minimally invasive procedure that can be performed either using guided surgery or custom fabricated surgical guides made of casts taken at the first patient visit. Several clinical papers reported excellent short- and long...