Accuracy of Miniscrew Insertion Using a Customized Printed Three-Dimensional Surgical Guide (A Comparative Split Mouth Study)

Document Type : Original Article

Authors

1 Lecturer of Orthodontics, Faculty of dentistry, Fayoum University, Fayoum, Egypt

2 Assistant Professor, Oral Radiology Department, Faculty of Oral and Dental Medicine, Cairo University .

Abstract

Aim of the study
This study was conducted to evaluate the accuracy of a new constructed 3D CBCT image–based surgical guide for miniscrew implantation .
Materials and Methods
Twenty five adult patients of were included in the current study (13 males and 12 females). Mandibular arch of every patient was randomly divided into : one experimental side ( miniscrews were placed using surgical guide ) and one comparison side ( miniscrews were placed conventionally without surgical guide. For both sides (experimental and comparison side); Linear measurements were recorded on the software of coronal deviations, apical deviations and vertical deviations . Also , angular measurements were recorded in both mesiodistal and buccolingual dimensions for the actual plan and the real mini screws . At the end all deviations were calculated and statistical analysis was performed.
Results
A significantly higher level of accuracy (lower differences from the actual value) was achieved with the surgical guide technique (p < 0.001) than hand drilling technique for all measurements .
Conclusions
Three Dimensional surgical guides provide a precise method for miniscrew placement into the dentoalveolar bone.

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