| 摘要 |
Automatic Maxillary Expander (7) is a bone-borne distractor which is used to expand maxillary in adult and adolescents who have transversal maxillary hypoplasia. It fixes itself to palatal vault in a way without any need for screwing, by the asymmetrical triangular prism shape notched spikes (3) on the anterior, posterior notched columns (1, 2). Both being hygienic and not wasting a bulky space in the mouth, it provides a high patient comfort. The maxillary expanding process does not interrupt orthodontic treatment of the patients and also minimizes the damage to the texture of the mouth. Automatic Maxillary Expander Transferring Apparatus (22) enables the practitioner to place Automatic Maxillary Expander (7) into palatal surface with ease and precision. This apparatus (22) enables the practitioner to place Automatic Maxillary Expander (7) into the palate under local anesthesia in a very short time without any surgical operation. In addition, this apparatus (22) is composed of a very simple mechanism. It has rounded ends in order not to hurt the practitioner and the patient. |
