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An Analysis Of Treatment Induced Changes In Class Ii Division 1 Skeleto Dental Malocclusions Utilizing The Begg Appliance
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Book Synopsis An Analysis of Treatment Induced Changes in Class II, Division 1 Skeleto-dental Malocclusions Utilizing the Begg Appliance by : S. Grayson Eddy
Download or read book An Analysis of Treatment Induced Changes in Class II, Division 1 Skeleto-dental Malocclusions Utilizing the Begg Appliance written by S. Grayson Eddy and published by . This book was released on 1973 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comprehensive Study of the Skeletal and Dental Changes in a Group of Class II Malocclusions Treated with the Edgewise Appliance by : Robert David Berrios
Download or read book A Comprehensive Study of the Skeletal and Dental Changes in a Group of Class II Malocclusions Treated with the Edgewise Appliance written by Robert David Berrios and published by . This book was released on 1981 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1996 with total page 1340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation Into the Treatment Effects of Three Orthodontic Appliance Prescriptions for the Correction of Class II Division 1 Malocclusions by : Rano Burton
Download or read book An Investigation Into the Treatment Effects of Three Orthodontic Appliance Prescriptions for the Correction of Class II Division 1 Malocclusions written by Rano Burton and published by . This book was released on 1997 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis British Journal of Orthodontics by :
Download or read book British Journal of Orthodontics written by and published by . This book was released on 1988 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Facial-skeletal and Dental Changes of Class II Division I Malocclusion (angle) During Orthodontic Treatment and Three Or More Years After Active Treatment by : Edwin M. Hagihara
Download or read book A Study of the Facial-skeletal and Dental Changes of Class II Division I Malocclusion (angle) During Orthodontic Treatment and Three Or More Years After Active Treatment written by Edwin M. Hagihara and published by . This book was released on 1953 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of the Skeletal and Dental Changes Associated with Herbst Appliance Therapy by : Thomas M. Baldwin
Download or read book Analysis of the Skeletal and Dental Changes Associated with Herbst Appliance Therapy written by Thomas M. Baldwin and published by . This book was released on 2006 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall goal of this research project is to evaluate the skeletal and dental changes when a Class II malocclusion is corrected using the Herbst appliances compared to similar malocclusions treated with Class II elastics; for the purposes of this study, this will be referred to as the control group. More specifically, cephalometric radiographs will be used to: (1) study the SNA, SNB, and ANB angle changes in Class II malocclusion patients who receive treatment with elastics or a Herbst appliance, (2) study the change in the lower incisor to the mandibular plane angle (IMPA), and compare the results with a control group of patients. Further, the pre-Herbst and post-Herbst measurements will be compared to determine if there is a significant change. The hypothesis will be that the Herbst appliance will cause a change in the SNA, SNB, and ANB angles, and alter the IMPA as compared to Class II correction with elastics.
Book Synopsis Cephalometric Changes Occurring During the Treatment of Class II, Division 1 Malocclusion Using the Activator, the Frankel Appliance and the Fixed Appliance by : Kendrick Ross Remmer
Download or read book Cephalometric Changes Occurring During the Treatment of Class II, Division 1 Malocclusion Using the Activator, the Frankel Appliance and the Fixed Appliance written by Kendrick Ross Remmer and published by . This book was released on 1983 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cephalometric Changes Observed Following Long Term Use of the Bimler Functional Appliance in Class II Division 1 Malocclusions by :
Download or read book Cephalometric Changes Observed Following Long Term Use of the Bimler Functional Appliance in Class II Division 1 Malocclusions written by and published by . This book was released on 2008 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bimler appliance is one of many functional appliances developed during the evolution of functional orthodontics and is still used to treat patients today. Dr. Bimler was a firm believer that functional appliances should treat the patient to their individual limits of adaptability, and treating beyond this adaptability was an invitation for future relapse. The goal of this study was to evaluate cephalometric changes observed in Class II division 1 patients who received long-term therapy utilizing the Bimler appliance. Twenty-five patients (15 females and 10 males) for inclusion in this study were drawn from records donated to the University at Buffalo School of Dental Medicine from the practice of the late HP Bimler in Wiesbaden, Germany. All patients showed Class II division 1 malocclusions at the start of treatment, were treated solely using the Bimler appliance for an extended treatment period, and had initial, progress, and final cephalometric radiographs available. Each radiograph was digitized and traced by a single operator utilizing the Dolphin Imaging System, and a cephalometric analysis was completed. From the results, it would appear that saggital correction in Class II division 1 cases was achieved mainly via dental changes, with only a minor contribution by changes in skeletal relationships. Treatment effects of the Bimler appliance showed statistically significant changes from baseline (P0.05) for all measures except FMA, interincisal angle, and Wits. The decrease in overjet was achieved both by a significant uprighting of the maxillary incisors ( -6.04) and flaring (proclination) of the lower incisors (4.956) over the entire treatment period. Significantly larger effects were seen during the initial treatment period (T1-T2) compared to the later treatment period (T2-T3) for ANB, ANS-Me, U1-SN, and L1-MP (p0.05). These measures accounted for most of the treatment effect of the appliance that could not be attributed to normal growth alone. Results from this study suggests that clinicians who utilize the Bimler appliance to treat Class II division 1 cases should expect to see a majority of the correction during the first 24 months of treatment, and should expect diminished treatment effects should the therapy continue significantly beyond that point.
Book Synopsis Treatment Effects of the Bimler Functional Appliance on Class II Division 2 Malocclusion by :
Download or read book Treatment Effects of the Bimler Functional Appliance on Class II Division 2 Malocclusion written by and published by . This book was released on 2008 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: Correction of Class II malocclusion has led clinicians to look at many factors when considering appliance design and its effect on the maxilla, mandible and respective dentoalveolar complex. When considering the armamentarium of orthopedic functional appliances most studies are in agreement concerning their effects on the facial structures while a few are in contradiction. Only few clinicians have utilized functional appliances to successfully correct Class II division 2 malocclusion. The aim of this investigation was thus to provide information on the treatment effects of the Bimler Type B functional appliance on correcting Class II division 2 malocclusions and, specifically, if the resultant treatment effects are different than the effects observed using functional appliances to correct Class II division 1 malocclusions. The sample in this study consisted of twenty-six (26) Class II division 2 patients (9 males, 17 females) treated with the Bimler Type B functional appliance at the practice of Dr. Hans Peter Bimler in Weisbaden, Germany. The records were graciously donated to the orthodontic department at the State University of New York at Buffalo by the daughter of the late Dr. Bimler. For each of the 26 subjects, two lateral cephalograms, one at the time of appliance delivery (T1) and a second at least two years after initiation of treatment (T2) were analyzed using a custom analysis with the following linear and angular measurements: A-NaPerp, Co-A, Co-Gn, Ar-Gn, Pg-NaPerp, ANS-Me, Op-Sn, FMA, U1-SN, IMPA, Wits, OJ, L1-APo. It was determined following statistical analysis and comparison to an untreated control group that the Bimler Type B functional appliance, used specifically for correction of Class II division 2 malocclusions, proclines maxillary incisors (U1-SN) (p>0.05), an effect not seen when using functional appliances for Class II division 1 correction, and potentially inhibits maxillary forward growth (Co-A). However, the results of this study indicate that the appliance does not significantly increase mandibular length (Co-Gn) relative to normal growth, or procline mandibular incisors; the antithesis of the effects seen when treating Class II division 1 malocclusions with functional appliances. Due to the relatively small sample size of this study the true effects of the Bimler functional appliance cannot be fully appreciated. Only with an investigation utilizing a larger sample size, a Class II control population, and a means to measure change in maxillary and mandibular molar sagittal position can one evaluate the true effects of the Bimler Type B appliance in correcting Class II division 2 malocclusions and how these effects differ from those observed when correcting Class II division 1 malocclusions using functional appliances.
Book Synopsis Treatment Effects of the Twin Block Functional Appliance and the Mandibular Anterior Repositioning Appliance (MARA) in Patients with Class II Malocclusions℗ by : Eva-Maria Moll
Download or read book Treatment Effects of the Twin Block Functional Appliance and the Mandibular Anterior Repositioning Appliance (MARA) in Patients with Class II Malocclusions℗ written by Eva-Maria Moll and published by . This book was released on 2012 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: AbstractIntroduction: Class II malocclusions represent one of the most prevalent forms of malocclusion encountered in routine orthodontic practice. In order to correct a Class II malocclusion, miscellaneous orthopedic functional appliances with a broad spectrum of diverse appliance designs have been continuously developed. While the Twin Block is known as one of the best researched functional appliances, only few studies have evaluated the treatment efficacy of the Mandibular Anterior Repositioning Appliance (MARA) since its development in 1991. Thus, the purpose of this retrospective study was to evaluate and compare the skeletal and dentoalveolar effects of the Twin-block and the Mandibular Anterior Repositioning Appliance (MARA) in the treatment of adolescent patients with Class II malocclusions compared to controls. Materials and Methods: The present retrospective study was carried out on three samples: a Twin Block sample, a MARA sample, and a control sample.^The study was based on the evaluation of the lateral cephalometric radiographs of a total of 96 cases at T1 (pre-functional treatment), as well as at T2 (post-functional treatment/ equivalent timeframe in controls). The Twin Block sample with 37 cases represented the largest sample, consisting of 24 females and 13 males. It was treated by the inventor Dr. Clark in his private practice in Fife, Scotland, UK. The average age for the Twin Block group at T1 is 11 years of age. The MARA group consisted of a total of 34 cases: 16 females and 18 males. The average age of the MARA sample at T1 was consistent with the Twin Block sample (11 years of age). The MARA sample was respectively treated by its inventor Dr. Toll, Bad Soden, Germany. The control group was based on 25 cases (12 female and 13 male) obtained from the Michigan growth study. The untreated control group was matched to the MARA sample.^Lateral cephalometric radiographs were taken at the beginning of treatment (T1) and post-functional treatment (T2). Cephalometric changes were evaluated using the Clark analysis including 27 measurements. The MARA, and the control sample were evaluated by an independent commercial company, Rocky Mountain Data Systems, using Joe Ceph by Rocky Mountain Orthodontics. The Twin-Block sample was analyzed by Dr. Clark using Quick CephTM. Results: The results showed that sagittal correction of Class II appeared to be mainly achieved by dental changes, being accompanied by skeletal adaptation. A positive influence of the position of point Pogonion could be achieved in both groups resulting in a considerable decrease of the facial convexity. Skeletal alterations that contributed to skeletal adapations mainly took place in the mandibular ramus, while these changes were significant different form the controls.^No significant alteration of the mandibular plane angle could be determined in all three groups. The current study showed a lower incisors flaring of 5. 47 degree with the MARA appliance and 2. 11 degree with the Twin Block. The effects on the upper incisors varied between the two functional appliances. Slight protrusion of the upper incisors took place with the MARA (+5. 06 degree) and a significant retroclination occurred with the Twin Block ( -12. 42 degree). Accordingly, the interincisal angle decreased in the Twin Block sample and increased on the other hand with the MARA. No significant change of the incisor position of the controls was present. Incisor overjet decreased of about 7. 03 mm in the Twin Block group and 2. 46 mm in the MARA sample. Incisor overbite decreased about 1. 34 mm with the Twin Block and 2. 92 mm with the MARA. Molar relation was corrected in both functional groups resulting in a Class I relation, while no change appeared in the control sample.^While a slight distalizing effect on the upper first molars could be seen in the Twin Block sample ( -0. 06 mm), no such effect could be determined for the MARA appliance (+0. 96 mm). Conclusion: Both appliances resulted in a Class I relationship. Skeletal changes were very similar in both appliances. Overall the Twin Block seemed to be slightly superior to the MARA appliance. Key words: Fixed functional appliance; Twin Block; MARA; Class II malocclusion; Clark analysis.
Book Synopsis Skeletal, Dental and Muscular Effects in Class II Division 1 Malocclusion Treated by Herbst Appliance by : XI Du
Download or read book Skeletal, Dental and Muscular Effects in Class II Division 1 Malocclusion Treated by Herbst Appliance written by XI Du and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Skeletal, Dental and Muscular Effects in Class II Division 1 Malocclusion Treated by Herbst Appliance" by 杜熹, Xi, Du, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3123843 Subjects: Orthodontic appliances Malocclusion - Treatment
Book Synopsis Les amours de Paliris et Dirphé by :
Download or read book Les amours de Paliris et Dirphé written by and published by . This book was released on 1766 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dental, Skeletal and Growth Effects of Malocclusions Treated with the Van Beek Headgear Activator and Comprehensive Fixed Orthodontic Appliances by : Matthew W. Kotyk
Download or read book Dental, Skeletal and Growth Effects of Malocclusions Treated with the Van Beek Headgear Activator and Comprehensive Fixed Orthodontic Appliances written by Matthew W. Kotyk and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to retrospectively assess the long term dental and skeletal treatment and growth changes in growing patients with Class II malocclusions treated with the van Beek Headgear Activator (vBHGA) appliance followed by comprehensive fixed orthodontic appliance treatment. A retrospective chart review was undertaken on 40 consecutively treated subjects who were then compared to matched growing untreated control subjects from the Burlington Growth Study and growth forecast simulations. Lateral cephalometric radiographs were used to determine dental, skeletal and growth changes between each treatment phase. Phase 1 vBHGA appliance treatment produced skeletal and dental Class II correction via restraint of maxillary anterior growth, increased mandibular anterior growth, counter clockwise palatal plane rotation, retroclination and retraction of the upper incisors, and proclination and protrusion of the lower incisors resulting in reduced overjet and overbite. The favourable skeletal and dental changes from vBHGA treatment were maintained after the completion of the second treatment phase. The vBHGA appliance was effective in correcting Class II malocclusions by producing favourable skeletal and dental treatment effects in both jaws that were maintained after the completion of phase 2 treatment, in stark contrast to published randomized clinical trials. Success with the vBHGA and potentially other growth modification appliances could be related to patient compliance, timing of the individual's growth spurt, length of phase 1 treatment, and continued orthopedic retention between the first and second phases of treatment.
Book Synopsis Skeletal, Dental and Muscular Effects in Class II Division 1 Malocclusion Treated by Herbst Appliance by : Du, Xi
Download or read book Skeletal, Dental and Muscular Effects in Class II Division 1 Malocclusion Treated by Herbst Appliance written by Du, Xi and published by . This book was released on 1999 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Change in the NSD Angle During Treatment of Class II, Division 1 Malocclusions Using Edgewise and Multiphase Mechanics by : Robert Paul Stoll
Download or read book Change in the NSD Angle During Treatment of Class II, Division 1 Malocclusions Using Edgewise and Multiphase Mechanics written by Robert Paul Stoll and published by . This book was released on 1974 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Treatment Effects of the Edgewise Mandibular Anterior Repositioning Appliance (MARA) in Patients with Class II Malocclusions by : Thikriat Al-Jewair
Download or read book Treatment Effects of the Edgewise Mandibular Anterior Repositioning Appliance (MARA) in Patients with Class II Malocclusions written by Thikriat Al-Jewair and published by . This book was released on 2013 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectives: To determine the skeletal and dentoalveolar effects produced by the MARA functional appliance in the treatment of growing patients with Class II malocclusions. Materials and Methods: A retrospective study was conducted using lateral cephalograms of patients consecutively treated with the MARA appliance (n=40) during their skeletal growth spurt as evaluated by the improved cervical vertebral maturation method recommended by Baccetti et al. A comparison was made with 24 untreated Class II control subjects obtained from the University of Michigan growth study and matched with the experimental groups for skeletal age, sex and craniofacial morphology. Cephalograms were taken at three time points: [T1] pre-treatment; [T2] post-functional appliance treatment; and [T3] fixed orthodontic treatment completion. Treatment changes were evaluated between the time points using 35 variables. Data were analyzed using independent t-tests. Results: At the post-functional appliances' phase (T1-T2), the MARA appliance showed significant increases in the total mandibular length, ramus height and anterior/posterior facial heights. These effects continued during the fixed orthodontic treatment stage (T2-T3). The net changes (T1-T3) revealed significant mandibular growth enhancement with the MARA appliance (+2. 7mm) in comparison to untreated controls. The appliance also caused 5. 2o of flaring in the mandibular incisors, as well as significant decreases in overjet, overbite and inter-incisal angle. Conclusion: Overall, the MARA appliance showed significant skeletal and dentoalveolar changes resulting in normalization of the Class II malocclusion.
