Fig. 1

Model used for scanning. Three titanium screw type implants were fixed to an acrylic plate and arranged in a triangle, with the side lengths ranging from 4-5 cm and designated as α, β, and γ
Model used for scanning. Three titanium screw type implants were fixed to an acrylic plate and arranged in a triangle, with the side lengths ranging from 4-5 cm and designated as α, β, and γ