Bionator I (to Open)

A removable appliance for the treatment of a Class II malocclusion with a deep bite where eruption of the posterior teeth is desired in addition to orthopedic change in growing patients. The mandible is held in the desired advanced position.

An incisal cap is utilized on the mandibular anteriors with an opposing bite surface for the maxillary anteriors to prevent any undesirable eruption. The posterior acrylic is trimmed to guide eruption of the posterior teeth.

The lab requires maxillary and mandibular models and a construction bite reflecting an edge to edge relationship in the anterior teeth with a 3 mm anterior opening.