Patient and population (P)
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All adult patients (> 18 years) with a missing or non-restorable anterior tooth requiring delayed or immediate implant treatment.
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Intervention (I)
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Installation of an implant with a scalloped implant-abutment connection.
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Comparator or control group (C)
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A flat implant-abutment design
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Outcomes (O)
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Survival of suprastructures, survival of implants, clinical soft tissue measurements, peri-implant marginal bone level, professional and patient-reported outcome measures.
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Study design (S)
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Human studies, including randomized controlled trials and controlled clinical trials, with the aim of comparing the final implant treatment outcome after installation of implants with an anatomically designed scalloped implant-abutment connection compared to a flat implant-abutment design.
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Focused question
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Are there any differences in the final implant treatment outcome after installation of oral implants with scalloped implant-abutment connection compared to a flat implant-abutment design?
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