Your software plans 3 mm of intrusion. The patient achieves 1.7 mm. A 2026 systematic review found that clear aligners typically deliver only 50-60% of planned lower incisor intrusion in deep-bite cases. The movement is real. The predictability gap is real too. This article explores what that means for case selection, treatment planning and why many deep-bite refinements can be predicted before the first aligner is delivered.

When dentists start offering clear aligner treatments, one of the first challenges they face is selecting the right treatment package...