ArticleFrontiers in oral health2026
Pre-expansion downward maxillary base rotation as a biomarker for post-expansion downward maxillary rotation in adults treated with 3D-guided midpalatal piezocorticotomy-assisted MARPE: a pilot case-control study.
Article in Frontiers in oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Introduction: Structural predictors of success or failure in adult maxillary expansion remain poorly defined. This retrospective case-control pilot study aimed to evaluate the predictive capacity of pre-treatment craniofacial morphology-specifically the palatal plane inclination (SN-PP)-on final post-treatment maxillary skeletal morphology in adults undergoing 3D-Guided Midpalatal Piezocoticotomy Assisted Miniscrew-assisted rapid palatal expansion (3D-GMP MARPE). Methods: A total of eighty skeletally mature patients were evaluated, comprising a control group (mean age: 35.7 ± 8.4 years) and a case group (mean age: 33.1 ± 10.1 years) exhibiting sleep-disordered breathing and/or transverse maxillary deficiency underwent three-dimensional (3D) digitally guided midpalatal piezocoticotomy-assisted MARPE. Baseline metrics were derived from cone-beam computed tomography (CBCT) datasets in NemoFab software. Subjects were stratified based on their final absolute post-treatment morphology into cases (SN-PP >=11 degrees, Results: Baseline demographics, sagittal relationships, and soft-tissue thicknesses were statistically identical between groups ( Conclusions: A steeper pre-treatment palatal plane angle is a powerful, sex-independent predictor of a high-angle post-treatment skeletal relationship. Integrating SN-PP into diagnostic protocols provides high classification accuracy for pre-operative risk stratification regarding final skeletal phenotype.
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