- A new 2-dimensional method for constructing visualized treatment objectives for distraction osteogenesis of the short mandible
- Journal of Cranio-Maxillofacial Surgery
- Volume | Issue number
- 38 | 1
- Pages (from-to)
- Document type
- Faculty of Dentistry (ACTA)
Open bite development during distraction of the mandible is common and partly due to inaccurate planning of the treatment. Conflicting guidelines exist in the literature. A method for Visualized Treatment Objective (VTO) construction is presented as an aid for determining the correct orientation of monodirectional and multidirectional distractors. Distraction on the left and on the right side of the mandible takes place in a parallel manner in order to maintain intercondylar width. It follows that in the absence of marked asymmetry, the amount of mandibular body distraction, the amount of ramus distraction and (should it apply), the amount of closure of the gonial angle, can be derived from a simple 2-dimensional plan. After presurgical orthodontic treatment, a cephalogram is taken and a VTO is constructed, that aims at a good occlusion with the enhanced mandible in centric relation, with little or no change of the original position of the rami.
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