Objective: To investigate the anatomical morphology of the posterior maxillary teeth in beagle dogs to provide measurements for the positioning of mini-screw implants in the root furcation area.
Methods: The general conditions of the posterior maxillary teeth from 15 beagle dogs were observed. Afterwards, anatomical measurements of the related root furcation area were conducted using landmarks.
Results: Based on our calculations, we identified that 1.2 mm to 1.6 mm diameter mini-screw implants could be safely and consistently inserted on premolars (PM)2, PM3 and PM4. Although mini-screw implantation of 1.6 mm to 2.0 mm diameter could induce irritation in the PM2 root furcation area, these mini-screws remained safe in the PM3 and PM4 regions.
Conclusions: Point O was determined to be a safe and reliable reference point for the insertion of mini-screw implants in the root furcation area of the posterior teeth in beagle dogs.
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