Effect of immediate all‐digital restoration of single posterior implants: The SafetyCrown concept on patient‐reported outcome measures, accuracy, and treatment time—A randomized clinical trial
Abstract
Abstract Objective The SafetyCrown workflow facilitates the immediate restoration of posterior single sites with the one‐abutment/one‐time concept. This randomized clinical trial aimed to assess the direct effect of immediate restoration on dental patient‐reported outcomes (dPROs), feasibility, implant accuracy, and time. Materials and Methods Participants with a single posterior edentulous site for late implant placement underwent optical impressions, shade selection, and cone beam computed tomography. After virtual treatment planning, they were randomized into the test group and the control group. For the test group, individual definitive hybrid abutments were prefabricated. The next step was a fully guided surgery with printed guides. After the implant was placed using guided surgery, the abutment was inserted. A chairside CAD/CAM workflow was used to provide the patient with a provisional restoration. Implants in the control group were left submerged to heal. Oral health‐related quality of life (OHRQoL) was assessed using the OHIP‐G14, and dPRO was measured using a 10‐item visual analog scale (VAS) questionnaire. Additional measurements of implant accuracy and time were performed. Follow‐up was performed 7 to 10 days after implant placement. Results Thirty‐nine participants with 45 restorations were included (test group: 23, control: 22). Immediate restoration was successful in 21 out of 23 implants (91.3%) in the test group. Both groups exhibited decreased OHRQoL…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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