Journal
CLINICAL ORAL IMPLANTS RESEARCH
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/clr.14226
Keywords
free end; guide stabilizer; guide surgery; precision; trueness
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This study evaluated the impact of guide stabilizers and their application sequences on implant placement accuracy in cases of multiple teeth loss at the free end. The results showed that using guide stabilizers and applying them in a specific sequence can significantly improve the precision of implant placement.
ObjectivesTo evaluate the impact of guide stabilizers and their application sequences on implant placement accuracy of guided implant surgery in multiple teeth loss at free end.Materials and MethodsIn this study, 96 implants were placed in the regions of #34, #36, and #37 of 32 identical mandibular models. The influence of using guide stabilizers or not (group A and group B) and various guide stabilizers application sequences (group B: #34 -> #36 -> #37; group C: #36 -> #34 -> #37; group D: #37 -> #34 -> #36) on implant placement trueness and precision was investigated. Data were analyzed using T-tests and one-way ANOVA.ResultsGroup B showed significant benefits in enhancing implant placement precision. Compared to group A, it resulted in reducing 3D-deviation at crest and 2D deviation in vestibular-oral direction at both crest and apex. Furthermore, group D demonstrated greater improvement in global implant placement precision by reducing 2D deviation in mesial-distal direction at both crest and apex. Among the three different stabilizer application sequences, group D exhibited the highest level of implant placement precision.ConclusionsIn cases of missing teeth at distal free end, the use of guide stabilizers and their application sequences does not have a significant impact on implant placement trueness. However, they do improve implant placement precision compared to methods that do not utilize guide stabilizers. Specifically, applying a guide stabilizer first at the furthest implant site to change teeth loss classification from free end to edentulous space with posterior support is the most reliable sequence.
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