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Updated: Jan 15, 2026
Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities
Published on: May 24, 2022
Impact of Fixation Pins and Metal Sleeves on the Precision of Guided Endodontics: An Analysis Using Extracted Teeth
Marco Antonio Zaiden Loureiro1,2, Julio Almeida Silva1, Lucas Raineri Capeletti1
1School of Dentistry, Federal University of Goiás, Goiânia, Goiás, Brazil.
Background:
This study aimed to evaluate the accuracy of guided endodontic access and fiberglass post removal, comparing stabilization methods such as metal sleeves and fixation pins.
Material And Methods:
Sixty-four extracted human teeth (32 mandibular molars and 32 single-rooted teeth) were divided into groups based on the use or non-use of fixation pins and metal sleeves. Precision was assessed using pre- and post-procedure CBCT scans to analyze deviations in bur positioning.
Results:
For guided endodontic access, significant differences in angular deviation were found between the group using fixation and no sleeves (2.64°) and the group without fixation and sleeves (1.37°) (P<0.05). No other significant differences were found in either access or post removal procedures (P>0.05). Mean deviations in post removal ranged from 1.98° to 2.15°.
Conclusions:
Guided endodontic techniques are highly reliable, with metal sleeves and fixation pins offering no significant improvement in precision. Key words:Guided Endodontics, Dental Post Removal, CBCT Analysis, Endodontic Guide Precision, Endodontic Access Deviation.
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