Analyzing linear and angular deviations after guided surgery for dental implant placement: a preliminary study

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Resumo

Purpose: This study aimed to assess the accuracy and precision of prosthetically-driven implant placement achieved through static computer-aided implant surgery. The primary objective was to analyze the linear and angular deviations of dental implants in patients treated at a university dental clinic. Various types of surgical techniques and templates were utilized to optimize implant positioning. Materials and Methods: A total of fiftythree dental implants were included in this study. The implants were positioned using either tooth-supported templates or tooth-tissue-supported templates with fixation pins. Two distinct guided surgery approaches were used, these being pilot drill guided and fully guided. Three-dimensional (3D) data from the implant planning phase was superimposed with the 3D data from the final implant positions using the ‘Treatment Evaluation’ tool within CoDiagnostix. implant planning software (Straumann AG). This enabled the automatic calculation of deviations in implant placement accuracy. Results: Average angular deviation observed was 3.90 degrees. For linear deviations, the mean 3D deviation at the most coronal point of the implants was 1.04 mm, while at the implant apex it was 1.56 mm. Conclusion: This research demonstrates the feasibility of a digital workflow for guided implant surgery, offering a promising treatment option. Nonetheless, it is important to note that deviations do occur, with the apical region of the implant being the most affected area. Care should be taken, particularly in cases of limited bone availability.
Idioma originalEnglish
Páginas (de-até)1-16
Número de páginas16
RevistaThe International journal of oral & maxillofacial implants
DOIs
Estado da publicaçãoAceite para publicação - 23 fev. 2024

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