A discrepancy between the aligner and the posterior tooth can happen throughout clear aligner orthodontic therapy. This subject manifests as a scarcity 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 completely have interaction with the cusps of the final molar.
Attaining a exact match of the aligner is essential for profitable tooth motion. When the equipment doesn’t correctly have interaction the molar, the meant forces aren’t delivered successfully, doubtlessly 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.
