Is 20 hours enough for Invisalign?

Is 20 hours enough for Invisalign?

This is why Invisalign recommends that the trays are worn for at least 20 to 22 hours per day. The trays are designed with the assumption that patients will comply with this rule. Failure to follow this rule can result in complications, discomfort, or even timeline treatment delays. Jun 14, 2019