ABSTRACT Aim To evaluate the accuracy and safety of robotic computer‐assisted implant surgery (r‐ CAIS ) for transcrestal sinus floor elevation ( TSFE ) in single‐tooth implant placement. Materials and Methods In this retrospective case series, we assessed the positional accuracy of r‐CAIS combined with TSFE in the posterior maxilla. Preoperative and postoperative cone‐beam computed tomography (CBCT) scans were used to determine implant positioning accuracy. Subgroup analyses evaluated the effects of various factors on accuracy. Additionally, complications were recorded and evaluated. Results A total of 40 patients and 40 implants were included. Only one case (Case XIX) exhibited a Schneiderian membrane perforation, resulting in a perforation rate of 2.5% (1/40). The mean global coronal and apical deviations were 0.50 ± 0.22 mm and 0.54 ± 0.21 mm, respectively, with an angular deviation of 1.25° ± 0.61°. A linear mixed model (LMM) analysis revealed no statistically significant differences between subgroups (implant position, side of arch, bone quality, implant type, implant size and registration method) and implant deviations ( p > 0.05). Conclusions r‐CAIS showed excellent accuracy and safety for TSFE in single‐tooth implant placement. This study suggests r‐CAIS can achieve favourable clinical outcomes, although further clinical evidence is needed to confirm its broader efficacy.
Jia et al. (Thu,) studied this question.
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