Özet:

Objective: The presentation of the treatment with the minivida and RME appary of the vacancy in the post-adelösan period with the circular openbite that has developed due to narrowness.  In the intraoral examination of the patient who applied to the Faculty of Dentistry Orthodontist with a complaint of "discovery in the mouth" was observed a circular openbite, which is 10 mm of thickness and openness in the frontal area. The result of the patient’s anamnesis is that there are individuals who are 16 years old and who have similar complaints in their family. In the radiographic examination it was found that the growth and development breakthrough was completed. (Figure 1, Figure 4) In light of this information, the treatment of our patient is planned in two stages, in the first stage the solution of the maxis is planned and the intrusion, and in the second stage the treatment is planned with fixed mechanical applications. In order to solve the maxillary thickness, it is also planned to provide the intrusion, the Hyrax vida (Dentaurum GmbH & Co. KG Germany) is placed and the McNamara type RME apparel with acrylic coating is prepared to take the coating-molar area in the right and left segment. The acrylic part in the posterior molar area of the apparatus is prepared 3 mm higher than the occlusion. Additional wire curve is made to the backyard acrylic parts of the apparatus and are created areas where closed shells will be placed. Orthodontic therapy began with an expansion of 1/4 of the day, a week later, the sutural opening was confirmed with the okluzal film.The expansion was checked by weekly sessions.A unit of 1.6 diameter, 8 mm long Tomas-pins SD self drilling minivida (Dentaurum GmbH & Co. KG German) is placed in the right and left backyard premols area and begins to be powered with closed shells so that it will be 200 gr to the right and 200 gr to the left for posterior area intrusion (Figure3).®The expansion continued for 5 weeks.After sufficient expansion is provided, the expansion wire is connected and unwanted closing movement in the wire is prevented.Monthly inspections were carried out in order to keep the level of force applied by continuing the Molar intrusion with the same aparey. The patient was followed for eight months. Following the removal of the apparatus from the mouth, orthodontic routine intervals were taken, the molars were banded and intended for consolidation with vertical holding.(Figure 2.4) The upper tooth is transmitted to a fixed treatment stage by bonding process. In the first post-oral examination of our patient, the present anterior openbite has fallen from 10 mm to 1 mm. Results of sephalometric evaluation at the beginning of treatment and after the first stage are given in Table 1. It was observed that the maxillary molar width increased from 47.5 mm to 56 mm, and the premolary area width increased from 31.5 mm to 40 mm. Results: Intrusion is provided in the first and second molars.     They were observed in a low-rise line.     Mandibula made counterclockwise rotation. Openbite has also achieved a significant decrease.     In cases that refuse the ortogenic therapy found in the last stages of growth and development, it is beneficial to give chance to more conservative therapies that are easy to apply, not forcing the patient and the doctor. Keywords:Chemic scraps, Intrusion, Maxile expansion, Minivids, Openbite, Orthodontic treatment

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