Turk ortodonti dergisi : Ortodonti Derneg'nin resmi yayin organidir = Turkish journal of orthodontics最新文献

In this article, the use of a combined activator-occipital headgear appliances for treatment of 3 class 2, high angle cases at prepubertal period and results of the treatment are discussed. It was benefited from the orthodontic and orthopedic effects of functional and extraoral appliances separately and it was thought that undesirable effects of each appliances for cases could be eliminated by using the appliances together properly.

In this case report 2 odontoma cases were presented as an example for surgical-orthodontic approach for the eruption difficulties of permanent teeth. In two cases which left central incisors couldn't erupt because of an odontoma. In both cases the odontomas were enucleated with their capsules and treated orthodontically thus the results were discussed.

The object of treatment in skeletal class III malocclusions is to improve the skeletal imbalance by orthopedic forces and to improve tooth alignment and establish intercuspal relations by orthodontic means, however, in severe skeletal class III after growth has terminated, the effect of treatment by orthodontics only is limited because of abnormal relationships between the jaws. Severe malocclusions in adults usually cannot be treated successfully without orthognathic surgery in concert with orthodontics. Both techniques are necessary because orthognathic surgery frequently cannot produce precise alignment of teeth. In this article, a case treated by orthodontics and orthognathic surgery has been presented.

The treatment objectives of open-bite cases which occurs as a result of the excess vertical growth of nasomaxillary complex, increase in the upper and lower posterior vertical dentoalveolar development, downward and backward growth of the mandible are restraining of the growth capacity of these regions and leading the growth of the mandible on the horizontal plane. One of the treatment alternatives of these cases is the spring-loaded posterior bite block; a functional orthopedic appliance. In this case report which the effects of spring-loaded posterior bite block therapy on craniofacial and dentoalveolar structures have been shown; three cases having chronological ages of 9 years 8 months; 10 years 4 months and 10 years 1 month were presented and the treatment results were discussed. The common effects of spring-loaded posterior bite-block therapy observed in three cases are; the restraint of the vertical growth of the maxilla and of both lower-upper posterior dentoalveolar structures, change in the growth pattern of the mandible from vertical towards horizontal plane.

The mandibular body ostectomy is indicated for the correction of select cases of; Mandibular prognathism, Class III open-bite deformity, Anterior crossbite in the adult. The anterior body ostectomy is indicated primarily in selected cases of mandibular prognathism, class III malocclusion when the posterior teeth are not in crossbite or the crossbite is dental in nature and can readily be resolved with conventional orthodontics. As with the correction of other dentofacial deformities, carefully done model surgery and a cephalometric prediction tracing are imperative in planning the anterior body ostectomy. In this paper, a case of mandibular prognathism which is corrected by the technique of anterior body ostectomy is presented.

The aim of the present study was to evaluate the development of craniofacial structures in individuals with different actual mandibular growth rotation pattern. Enlow's counterpart analysis was used for this evaluation. The material was consisted 166 cephalometric films of 83 male and female subjects. A total of fourteen variables were employed and the data was analysed by various statistical methods. The vertical growth of middle cranial fossa and mandibular ramus as the equivalent of nasomaxillary complex was found to be the key sites in the determination of mandibular growth rotation pattern. Besides this, the sagittal location of maxilla and mandible related to the cranial base was different in backward and forward mandibular rotation patterns.

The aim of this study is to investigate the stability of the results obtained through functional orthodontic treatments after the retention period in skeletal class 2 cases. 14 subjects having skeletal class 2 structures with a skeletal age of approximately 11 years were examined. 7 out of 14 were separated as treatment group, where the other 7 were separated as the control group. Contantion treatment was performed to the treatment group, for a period of 2 years in average, which have been treated with activators for approximately 1 year. The cephalometric radiographs of all subjects were taken at the beginning and the end of treatment and retention. The measurements relating to cephalometric tracing were statistically evaluated.

The purpose of the present study is to compare the experimental and clinical results of permanent and removable appliances on headgears. 3 dimensional photoelastic models were used in the experimental work. On these models, forces applied to face bows which were attached to permanent and removable ancher units. After the experiment sagittal sections prepared and analyzed under polaroscope. The results of the 8 case with removable ancher units and 7 case with permanent ancher units were compared by cephalometric processes. As a result, there was no significant difference between permanent and removable headgears.

In this study, the main rules of architectural and Structural cranio-facial analysis developed by Delaire is explained. This architectural and structural cranio-facial analysis of the lateral cephalometric radiograph clarifies the mutual balance of the various bony structures of the cranium and face, individualizes certain of the structures, and specifies their normal of pathologic relationships. Five cephalometric, films were evaluated according to Delaire's architectural and structural analysis and according to classic cephalometric analysis. The results we obtained are presented.

The purpose of this study is to determine the vertical changes of orthodontic area during active orthodontic treatment and retention. 10 subjects with Angle class I malocclusion having mean skeletal age of 14 years 3 months were examined. After extraction of first premolars, orthodontic treatments were performed at a mean period of 17.6 months by using "Modified Edgewise Technique"; the Hawley Retainers were used during the retention period for 16.8 months after the active orthodontic treatment. 10 subjects with normal occlusion having mean age 13 years 11 months and 10 subjects with normal occlusion having mean age 15 years 6 months were separated as control groups.