Sliding mechanics with microscrew implant anchorage.

TLDR

The study evaluates the effectiveness of sliding mechanics using microscrew implant anchorage for treating skeletal Class II malocclusion. Three cases were treated with maxillary, mandibular, or combined microscrew implants to provide anchorage during sliding mechanics. Maxillary implants achieved bodily retraction with slight intrusion and closed premolar extraction space without anchorage loss, while mandibular implants controlled vertical position and improved facial profile, and maxillary posterior teeth moved distally.

Abstract

Three cases are illustrated. One was treated with maxillary microscrew implants, another with mandibular microscrew implants, and the third with both maxillary and mandibular microscrew implants. With the maxillary microscrew implants, the maxillary anterior teeth were retracted bodily with a slight intrusion and all the premolar extraction space was closed without loss of anchorage. Furthermore, the maxillary posterior teeth showed distal movement. The mandibular microscrew implants controlled the vertical position of the mandibular posterior teeth and played an important role in improving the facial profile. The efficacy of sliding mechanics with microscrew implant anchorage on the treatment of skeletal Class II malocclusion is also discussed.