ArticleClinical oral investigations2025
Accuracy of maxillary molar distalization with clear aligners in three-dimension: a retrospective study based on CBCT superimposition.
Article in Clinical oral investigations, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Clinical Outcomes of Sequential Distalization with Clear Aligners: A Systematic Review and Meta-Analysis.Dentistry journal · 2026Review
- CBCT assessment of maxillary molar distalization and root length changes during clear aligner therapy.BMC oral health · 2026Article
- Three-Dimensional Displacement Patterns in Maxillary Molar Distalization: A Comparative Finite Element Study.Dentistry journal · 2026Article
- Potential for vertical control using direct 3D‑printed mandibular advancement clear aligners.Clinical oral investigations · 2026Article
- Three-dimensional finite element analysis of the effects of different distal-end aligner designs on maxillary premolar distalization.Frontiers in bioengineering and biotechnology · 2026Article
- Factors influencing fenestration and dehiscence in the anterior teeth after clear aligner treatment: a multicenter retrospective study.Progress in orthodontics · 2025Article
- Evaluation of external apical root resorption and apical root displacement in maxillary molars with different sinus-root relationships by cone-beam computed tomography.Clinical oral investigations · 2025Article
- Force distributions associated with different elastic traction methods for maxillary dentition distalization by clear aligners: an in-vitro study.BMC oral health · 2025Article
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Authors and funding
8 authors.
Funding
Abstract
backgroundTo measure the actual moving direction and displacement of the root and crown of maxillary teeth before and after treatment in molar distalization cases using clear aligners(CAs). MATERIALS AND
methodsThis retrospective study included 28 adult patients who received maxillary distalization treatment with CAs. The pre- and post-treatment CBCT were superimposed and the crown and root of all maxillary teeth were marked. Achieved and predicted three-dimensional displacement of maxillary teeth were then compared using the paired t test. Mixed-effect model was used to explore the influence of different staging design (one-molar distalization vs. two-molar distalization) and anchorage (TAD vs. Class II elastic vs. no extra anchorage management).
resultsLabial displacement happened to the anterior teeth even the palatal displacement was prescribed. Body distalization of maxillary posterior teeth could not be fully achieved as predicted. The premolars and molars achieved greater distal tipping, buccal inclination, and less distal displacement than predicted. In buccal-palatal dimension, the greatest buccal tipping tendency happened to the 2nd premolar and decreased toward the distal portion of the aligner. In the mesial-distal dimension, the highest accuracy of molar distalization was found in the 2nd molars while the lowest in the 1st premolars. No significant difference was found between two molar distalization patterns. Extra anchorage management devices could not diminish the difference between the predicted and achieved displacement.
conclusionsThe achieved molar distalization displacement and anterior teeth retraction is not as good as expected using CAs. The anterior and posterior anchorage loss cannot be completely avoided despite extra anchorage management devices are adopted. The potential reason for the correction of class II malocclusion needs further exploration.
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