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Magnetic resonance imaging based computer‐guided dental implant surgery—A clinical pilot study
Author(s) -
Probst Florian Andreas,
Schweiger Josef,
Stumbaum Maria Juliane,
Karampinos Dimitrios,
Burian Egon,
Probst Monika
Publication year - 2020
Publication title -
clinical implant dentistry and related research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.338
H-Index - 85
eISSN - 1708-8208
pISSN - 1523-0899
DOI - 10.1111/cid.12939
Subject(s) - magnetic resonance imaging , implant , medicine , radiography , nuclear medicine , orthodontics , radiology , surgery
Background Computer‐guided implant surgery is currently based on radiographic techniques exposing patients to ionizing radiation. Purpose To assess, whether computer‐assisted 3D implant planning with template‐guided placement of dental implants based on magnetic resonance imaging (MRI) is feasible. Materials and methods 3‐Tesla MRI was performed in 12 subjects as a basis for prosthetically driven virtual planning and subsequent guided implant surgery. To evaluate the transferability of the virtually planned implant position, deviations between virtually planned and resulting implant position were studied. Matching of occlusal surfaces was assessed by comparing surface scans with MRI‐derived images. In addition, the overall image quality and the ability of depicting anatomically important structures were rated. Results MRI‐based guided implant surgery with subsequent prosthetic treatment was successfully performed in nine patients. Mean deviations between virtually planned and resulting implant position (error at entry point 0.8 ± 0.3 mm, error at apex 1.2 ± 0.6 mm, angular deviation 4.9 ± 3.6°), mean deviation of occlusal surfaces between surface scans and MRI‐based tooth reconstructions (mean 0.254 ± 0.026 mm) as well as visualization of important anatomical structures were acceptable for clinical application. Conclusion Magnetic resonance imaging (MRI) based computer‐assisted implant surgery is a feasible and accurate procedure that avoids exposure to ionizing radiation.