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To assess and compare the esthetic outcome and clinical performance of anterior maxillary all ceramic implant single crowns based either on prefabricated zirconia abutment veneered with pressed ceramics or on a CAD/CAM (computer-aided design and computer-aided manufacturing) CARES® abutment veneered with hand build-up technique.
Participants will be recruited from the patient population who has previously received dental implant treatment, received a provisional restoration and met the inclusion and exclusion criteria according to the study protocol. After final impression, patients will be randomised into Group A (prefabricated anatomic abutments ): one-piece screw retained single crown using a press technique (fluorapatite glass-ceramic, e.max ZirPress) with cut-back technique or Group B (CAD/CAM CARES® abutments): one- piece screw retained single crown with a hand build-up technique (fluorapatite veneering ceramic, e.max Ceram). One week after final restoration (base line visit) the primary and secondary outcome parameters will be assessed. The patients will be followed up to 5 years after final restoration.
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40 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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