Abstract
Long-term edentulousness can lead to elongation of antagonistic teeth, making prosthetic rehabilitation impossible. An interdisciplinary case is presented where elongated teeth were successfully intruded by micoranchor-mediated orthodontic movement. To the right mandible, implants had been inserted correspondingly to the alveolar process height. However, the patient waited over 1 year for prosthetic treatment. The antagonistic maxillary teeth had elongated considerably. On the left side, elongated upper molars occluded with previously crowned and in the meantime unprovided teeth 35 and 37. On the right side, two palatal, three vestibular microanchors of 8 mm length and 1.6 mm diameter were used, on the left side, two palatal and two vestibular microanchors to intrude the teeth 14 to 17 and 26. The screwheads were connected to individually model-casted splints for bodily intrusion of the molars. This case illustrates how vertical tooth movements can be ventured by the use of orthodontic microscrews before either conventional or implant-borne prosthetic rehabilitation.
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