Invisalign Power Ridge Effects on Anterior Tooth Movements


power ridge invisalign is a treatment system that uses clear, removable aligners to slowly move your teeth. As you replace each aligner with the next in the series, your teeth will shift slightly, week by week, until they have reached their final position. Invisalign power ridges are small bumps on the surface of each aligner that help the aligner grip your teeth and move them into place.

In orthodontics, there are various types of tooth movements that can be achieved with clear aligners, such as retraction, tipping and torquing of the crown or root. A series of Finite Element models were built to simulate different anterior tooth movements with the use of different Power Ridge depths and attachment designs. The achieved movement of the models was compared to the expected movement generated by ClinCheck software and the influence of auxiliaries (Power Ridge and attachments) was investigated.

Smile Revolution: How Invisalign Power Ridge is Transforming Orthodontic Treatment

The results showed that the addition of the Power Ridge influenced the amount of retraction accomplished during the model’s treatment. The deeper the Power Ridge was, the greater the retraction achieved. The attachments also influenced the tipping of the incisors and the lingual torque of the roots. Adding the double Power Ridge caused the alignment to spread out on both the labial and lingual surfaces of the model, which resulted in larger peak values of von-Mises stress than the models without power ridges or with only one power ridge. The double Power Ridge also caused the incisal edges of the laterals to be positioned a little further back in relation to the centrals. This led to an undesirable retraction of the laterals and the non-tracking of the centrals.

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