ArticleJournal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie2026
Factors influencing the accuracy of guided palatal miniscrew insertion in young adults : Prospective in vivo study.
Article in Journal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Bone-Screw-Force Interactions in Palatal Orthodontic Mini-Implants: A Scoping Review and Decision Framework for Primary Stability and Biomechanically Driven Site Selection.Journal of functional biomaterials · 2026Review
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Authors and funding
7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
objectiveTo evaluate the in vivo accuracy of guided palatal miniscrew insertion, focusing on the effect of insertion side, frontal insertion angle, and miniscrew length. MATERIALS AND
methodsIn all, 52 palatal miniscrews were inserted using computer-aided design/computer-aided manufacturing (CAD/CAM) surgical guides in 20 patients (average age: 19.74 years ± 6.83). Digital models were acquired after miniscrew insertion and scanbody application. Then, linear and angular discrepancies between planned and realized miniscrew positions were evaluated by superimposing the reference model with the final postinsertion model. Discrepancies are recorded and compared to absolute precision (hypothetical). The effect of side, frontal insertion angle, and miniscrew length on accuracy were investigated.
resultsMean linear total discrepancies were 1.10 ± 1.01 mm and 1.71 ± 1.10 mm at the miniscrew head and tip points, respectively. Mean angular discrepancies were 5.90 ± 6.06° in the transverse (XY), 2.65 ± 2.47° in the sagittal (YZ), and 3.02 ± 2.65° in the coronal (XZ) plane. All discrepancies were significantly different to absolute precision (p < 0.001), although not to an extent considered clinically relevant. Neither side nor frontal insertion angle (clinical factors), or miniscrew length (structural factor) significantly impacted accuracy.
conclusionCAD/CAM surgical guides ensured clinically acceptable accuracy despite significant deviations from absolute precision. The insertion side, frontal insertion angle, and miniscrew length had minimal influence on accuracy, and therefore on outcome. Further studies should explore the effects of additional clinical, procedural, anatomical, and structural variables.
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