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Screw Retained One Piece Abutment and Crown

Screw Retained One Piece Abutment and Crown

Screw Retained One Piece Abutment and Crown

Digital Masters Copra Smile color gradient screw-retained implant crowns are translucent full contour zirconia restorations that offer your patients incredible strength and beauty.

Screw-retained crown restorations of single implants

This discusses the clinical steps for preparing a screw-retained crown for the restoration of a single implant. Impression-taking using open-tray technique and delivery of the crown is presented in a step-by-step manner elucidated by detailed photographs. Furthermore, the advantages and disadvantages of screw-retained crowns are discussed in comparison with the cemented restorations.


The use of implant-supported single crowns has become a well-established and preferred approach to compensate missing single teeth. There are two different types of prosthetic restorations fixed on dental implants: Screw-retained and cemented restorations. The choice of method is usually based on the clinician’s preference. Retrievability is the main advantage of screw-retained crowns that would make it more favorable to many clinicians. It allows better control on the hygiene of the implants and surrounding mucosa, also, crowns can be easily repaired in case of crown fracture. On the other hand, cases when the access hole is on the incisal edges or cusps teeth or easier access to the posterior area of the mouth is needed, cemented crown restorations could be more practical.

The two main procedures needed for getting a crown restoration are taking an accurate impression and delivering the screw retained single crown. The prosthetic procedures are usually conducted after proper healing time is allowed following the surgical insertion of the implant. If surgical insertion followed a two-stage protocol, then a healing time of at least 2 weeks should be allowed after surgical exposure. In one-stage as well as two-stage surgical protocols, the surgeon is responsible of placing the healing cap (or gingival former) on the fixture before referring the patient for prosthetic construction. Various shapes and sizes of healing caps are available for different implant systems. Radiographic evaluation of the implant may be prescribed to evaluate the quality of bone surrounding the implant; an intra-oral peri-apical X-ray can be used to check for any unwanted signs of a failure of the implant.

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