Study of the Use of Orthopulse Photobiomodulation

Inclusion Criteria: * Age: at least 18 years * Indication for an orthodontic treatment with fixed appliances * Presence of a written declaration * Permanent dentition * Class I-III malocclusion * Between 4-10mm of crowding (estimated traditionally) in anterior teeth in mandibular arch (This will depend on the time we choose for the endpoint) Exclusion Criteria: * Simultaneous participation in another clinical investigation or study * Prior participation in this study * Persons who have been placed in an institution as a result of an administrative or judicial order * Persons who are dependent on the sponsor, Investigator or the investigation site * Anterior cross bite * Spaces between anterior teeth * Extractions or missing permanent teeth (except for third molars) * No anticipated requirement of auxiliary appliances and/or elastics during treatment during alignment phase * Acute oral infection or periodontal disease * Active caries * Pregnant patients or patients planning to become pregnant