ObjectiveTo evaluate the clinical effect of implant implantation assisted by digital dental implant surgical guide plate. MethodsA total of 20 patients with dentition defects who needed dental implants were selected. Using Sigma Guide implant surgery design software, digital implant surgical guide plates with tooth-borne were designed and manufactured, and 35 implants were implanted with guide plates assistance. Cone-beam computed tomography (CBCT) was taken immediately after the surgery. The CBCT images were imported into Sigma Guide software, and registration and superposition were conducted with preoperative CBCT data. The deviation distance and angle between the actual implant position and preoperative designed implant position were measured with the built-in function in the software, including top deviation, bottom deviation, depth deviation and angle deviation, and the deviation values of the upper and lower jaw were compared. ResultsThe top deviation, bottom deviation and depth deviation between the postoperative actual position and the preoperative designed position of the 35 implants were (1.06±0.52) mm, (1.72±0.64) mm and (0.87±0.28) mm respectively, and the angle deviation was (3.37±1.27) °. After implant implantation guided by the digital implant surgical guide plate, there were statistically significant differences in the top deviation, bottom deviation and angle deviation between the simulated position and the actual position of the maxillary and mandibular implants (all P＜0.05), but there was no statistically significant difference in the depth deviation (P＞0.05). ConclusionThe tooth-borne implant surgical guide plate designed and manufactured by Segma Guide software can obtain high clinical three-dimensional accuracy, and can be used for implant implantation in patients with dentition defects.

无