Class II, Division 1 Malocclusion treated with the Andresen Appliance followed by Fixed Orthodontics (original) (raw)
Related papers
Two-phase treatment of class II malocclusion in young growing patient
Contemporary Clinical Dentistry, 2011
The use of functional jaw orthopedics, at the correct time during growth, can ultimately result in malocclusion patients achieving a broad beautiful smile, an excellent functional occlusion, a full face with a beautiful jaw line and lateral profile. Following is a case report of a young growing individual with mandibular retrognathia. Treatment was planned in two stages with the use of twin block during the first phase for correction of skeletal malocclusion and forward positioning of the mandible, followed by the second phase of fixed pre-adjusted edgewise orthodontic appliance for camouflaging the remaining skeletal discrepancy and achieving a stable harmonious occlusion.
The Angle Orthodontist, 2010
Objective: To evaluate the treatment effects of twin-block and Mandibular Protraction Appliance-IV (MPA-IV) in the treatment of Class II division 1 malocclusion. Methods: Fifty North Indian girls with Class II division 1 malocclusion, in the age range of 9-13 years, were chosen. The subjects were divided among a control group (n 5 10), a twin-block group (n 5 25), and an MPA group (n 5 15). Pre-follow-up and post-follow-up lateral cephalograms of control subjects and pretreatment and posttreatment lateral cephalograms of the treatment subjects were traced manually and subjected to a pitchfork analysis. Results: Neither twin-block nor MPA-IV significantly restricted the forward growth of maxilla. Mandibular growth and improvement in the sagittal skeletal relation were significantly greater in the twin-block subjects. Distal movement of the maxillary dentition and mesial movement of the mandibular dentition were more prominent in the MPA-IV subjects. Molar correction and overjet reductions were significantly greater in the treatment subjects (P , .001). Conclusion: Twin-block and MPA-IV were effective in correcting the molar relationships and reducing the overjet in Class II division 1 malocclusion subjects. However, twin-block contributed more skeletal effects than MPA-IV for the correction of Class II malocclusion. (Angle Orthod. 2010;80:485-491.
To assess the dentofacial changes induced by the sequential treat ment in the skeletal class III malocclusion with maxillary ret rognathism. Study design: Controlled clin ical trial assessing the effectiveness of sequential treatment of skeletal class III malocclusion. Materials and Methods: The treated group consisted of 30 patients in pre or during pubertal growth with anterior crossbite, maxillary cro wding and class III mo lar relationship treated with maxillary protraction therapy; Pendulum appliances to dis talize molars followed by fixed appliances. The treated group was compared with a control group of 10 untreated Class III subjects. Cephalo metric analysis and Paired sample t test and Independent sample t test were used to evaluate the changes and treatment effects. The significance level was set at p ≤ 0.05. Results: After the sequential treatment, the maxilla moved forward, the mandible rotated clockwise leading to improved maxillo mandibular sagittal relationship. The upper incisors moved forward, the anteroposterior relat ionship improved, and the class III concave profile turned to straight. The cephalometric variab les; SNA, MP/SN and U1/SN showed significant changes at p ≤ 0.001, p≤ 0.01 and p≤ 0.01 respectively. Conclusion: The sequential treatment approach is effective for skeletal class III malocclusion with maxillary retrognathism for low and average mandible angle young patients.
International Journal of Applied Dental Sciences, 2021
A 12 year old boy presented with class II skeletal and dental relationship due to prognathic maxilla and retrognathic mandible with excessive overjet and 100% deepbite. He was treated with 2 phase treatment by phase 1 growth modification therapy using twinblock appliance with combination pull headgear to improve his profile followed by phase II fixed mechanotheraphy to settle his occlusion. Pretreatment, postfunctional and posttreatment records are shown and treatment stability after 2 years are also shown.
Journal of Indian Orthodontic Society
Objectives: To evaluate the treatment outcomes between Twin Block and AdvanSync2® appliances by comparing the skeletal, dentoalveolar, and soft tissue changes. Materials and Methods: Radiographic data of 20 patients were retrospectively analyzed. Data were selected from patients in their skeletal growth spurt as evaluated by the cervical vertebral maturation method (CVMI 2, 3, and 4), with class II malocclusion characterized with retrognathic mandible (ANB > 4°, SNB < 77°, FMA = 25 ± 5°, overjet > 5 mm). There were 10 patients in each group that underwent orthodontic correction for class II malocclusion: either using Twin Block or AdvanSync2®. Independent t test and Paired t test and chi-square tests were used for the data analysis. The level of statistical significance was set at P value ≤.05. Results: The chronological and skeletal age were similar in both the groups. Records were taken for the functional treatment with mean treatment span of 8 ± 1 month. Changes in SNB (...
Management of Class II Division 1 Malocclusion Using Fixed Functional Appliances: A Case Series
Journal of Indian Orthodontic Society, 2018
Class II division 1 malocclusion is the most commonly occurring problem, mainly characterized by mandibular retrusion. Treatment modality aims to stimulate sagittal mandibular growth. Various appliances are available including removable and fixed functional. Fixed functional appliances (FFAs) are used as they have better patient compliance with similar effects. The present case series discuss the use of four different FFAs in late mixed dentition period during circumpubertal growth. The effects seen are similar to other appliances even though a lot of variations are seen with respect to the total treatment time.
American Journal of Orthodontics and Dentofacial Orthopedics, 2003
The mandibular anterior repositioning appliance (MARA) is a tooth-borne functional appliance for use in patients with Class II malocclusions; it positions the mandible forward into a Class I occlusion. The aim of this study was to investigate the MARA's dental and skeletal effects on anterior, posterior, and vertical changes in 30 Class II patients. The treatment group consisted of 12 boys with an average age of 11.2 years and 18 girls with an average age of 11.3 years. A pretreatment cephalometric radiograph was taken 2 weeks before treatment, and a posttreatment cephalometric radiograph was taken 6 weeks after removal of the MARA, with an average treatment time of 10.7 months. The mean and standard deviation were calculated for each cephalometric variable, and Student t tests were performed to determine the statistical significance of the changes. The results of the study showed that the MARA produced measurable treatment effects on the skeletal and dental elements of the craniofacial complex. These effects included a considerable distalization of the maxillary molar, a measurable forward movement of the mandibular molar and incisor, a significant increase in mandibular length, and an increase in posterior face height. The effects of the MARA treatment were then compared with those of the Herbst and Frä nkel appliances. The treatment results of the MARA were very similar to those produced by the Herbst appliance but with less headgear effect on the maxilla and less mandibular incisor proclination than observed in the Herbst treatment group.
International Journal of Science and Research , 2024
Class II malocclusion is one of the most common orthodontic problems and it affects one-third of patients seeking orthodontic treatment. It can be due to prognathic maxilla, retrognathic mandible or both. Twin Block is a well-accepted patient friendly functional appliance for the treatment of growing patients with Class II malocclusion due to mandibular retrognathism. It works by guiding the mandible forward through the inclined plane on the bite block. It alters the neuromuscular environment and promotes favourable growth of the mandible by condylar adaptation. This case report describes the comprehensive management of a 11-year-old female patient diagnosed with a severe Class II skeletal discrepancy and Class II div I malocclusion with retrognathic mandible. Treatment was carried out in 2 stages. Stage I included twin block for mandibular advancement, reducing the overjet, achieve Class I molar relationships and gain anchorage at the start of treatment to simplify the fixed appliance stage. Stage II treatment included preadjusted edgewise appliance therapy for the aligning and levelling of the dentition. The post-treatment results were highly satisfactory, showing improvement in dental, skeletal and soft tissue profile.
2020
Class II malocclusions are particular of utmost familiar complications in orthodontic management. Around is an assortment of effectual and effortless managements to accurate them, for instance fixed orthodontics appliances and headgear. These appliances are largely planned for management of class II deformities through lower arch defect. Accomplishment of management using a functional appliance depend on the patient’s collaboration and favorable lower arch expansion. Subsequent period of management with full-fixed appliances frequently essential to accomplish accurate alignment and excellent interdigitating of the dentition. In the current case, a pre-pubertal 12 year female through a class II malocclusion and retrusive lower arch was cured first using a headgear aimed at 18 months. Headgear productively determined the predicament of retrusive lower arch with encouraging mandible development. It was subsequently nine months of fixed orthodontic management to conclude the occlusion r...