A discrepancy between the aligner and the posterior tooth can happen throughout clear aligner orthodontic therapy. This difficulty manifests as an absence of full seating of the plastic equipment onto the rearmost tooth within the dental arch. For instance, the aligner might match snugly over the entrance tooth however exhibit a visual hole or fail to totally interact with the cusps of the final molar.
Reaching a exact match of the aligner is essential for profitable tooth motion. When the equipment doesn’t correctly interact the molar, the supposed forces usually are not delivered successfully, probably resulting in stalled therapy progress, unpredictable outcomes, and the necessity for refinements. Traditionally, such discrepancies usually required guide changes to the aligner or, in some circumstances, a remake of the equipment, including to therapy time and price.
