An Investigation Into the Treatment Effects of Three Orthodontic Appliance Prescriptions for the Correction of Class II Division 1 Malocclusions PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The purpose of this study was to evaluate the treatment and post-treatment changes in a sample of patients with a Class II division 1 malocclusion (n = 50) who received orthodontic treatment and who were out of retention a minimum of 3 years. The entire sample was evaluated at three time periods (T1 = pre-treatment, T2 = post-treatment and T3 = post-retention). They w re examined as a total sample and then broken down by treatment received, gender, arch and zone (molar, canine or incisor region). The following dental cast variables were measured to an accuracy of 0.01mm: (1) intermolar width; (2) intercanine width; (3) incisor alignment. For the purpose of this study, relapse is defined as any change in tooth position within the arch in the transverse dimension. The results of both aspects of the investigation identified, the following trends: (1) arch changes were independent of the type of orthodontic treatment; (2) arch form changed following the completion of all forms of active orthodontic treatment; (3) this "relapse" in orthodontic treatment appeared to be a function of the degree of orthodontic tooth movement. Although these findings relate to only one sub-category of Angle's Class II patients, they indicated that retainers were mandatory to maintain the changes subsequent to active orthodontic treatment. It was also apparent that the assessment of relapse, defined by changes in tooth position following orthodontic treatment, is an inappropriate assay of orthodontic quality assurance. (Abstract shortened by UMI.).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The purpose of this study was to evaluate the treatment and post-treatment changes in a sample of patients with a Class II division 1 malocclusion (n = 50) who received orthodontic treatment and who were out of retention a minimum of 3 years. The entire sample was evaluated at three time periods (T1 = pre-treatment, T2 = post-treatment and T3 = post-retention). They w re examined as a total sample and then broken down by treatment received, gender, arch and zone (molar, canine or incisor region). The following dental cast variables were measured to an accuracy of 0.01mm: (1) intermolar width; (2) intercanine width; (3) incisor alignment. For the purpose of this study, relapse is defined as any change in tooth position within the arch in the transverse dimension. The results of both aspects of the investigation identified, the following trends: (1) arch changes were independent of the type of orthodontic treatment; (2) arch form changed following the completion of all forms of active orthodontic treatment; (3) this "relapse" in orthodontic treatment appeared to be a function of the degree of orthodontic tooth movement. Although these findings relate to only one sub-category of Angle's Class II patients, they indicated that retainers were mandatory to maintain the changes subsequent to active orthodontic treatment. It was also apparent that the assessment of relapse, defined by changes in tooth position following orthodontic treatment, is an inappropriate assay of orthodontic quality assurance. (Abstract shortened by UMI.).
Author: Hans Pancherz Publisher: Quintessence Publishing (IL) ISBN: 9781850971696 Category : Malocclusion Languages : en Pages : 0
Book Description
This is a research-based book on the clinical use of the Herbst appliance in the management of Class 2 malocclusions. Different clinical problems and questions are addressed in the light of the corresponding research existing. Thus, in contrast to other Class 2 alternative treatments, the Herbst appliance approach is based on scientific research.
Author: Lee W. Graber Publisher: Elsevier Health Sciences ISBN: 0323778607 Category : Medical Languages : en Pages : 1348
Book Description
Comprehensive, cutting-edge content addresses contemporary orthodontic practice! Orthodontics: Current Principles and Techniques, 7th Edition provides an evidence-based approach to orthodontic diagnosis, treatment planning, and clinical techniques, including esthetics, genetics, temporary anchorage devices, aligners, technology-assisted biomechanics, and much more. New to this edition are seven chapters, covering topics like AI, maxillary expansion in adults, Class II correctors, and autotransplantation. Newly authored chapters on orthognathic surgery and the craniofacial team, the periodontal-orthodontic interface, interdisciplinary treatment, and accelerated tooth movement, among others, address current perspectives. The 7th edition comes with access to an enhanced eBook version, which includes videos and additional visuals to show concepts difficult to explain with words alone. Readers can also find additional, online-only chapters and a fully searchable version of the text. Respected editors Lee Graber, Katherine Vig, and Greg Huang are joined by new editor Pádhraig Fleming, along with expert contributors from around the world. This text provides the most current and comprehensive collection of orthodontic knowledge, making it the go-to book for orthodontic residents and practitioners! Comprehensive coverage provides a one-stop resource for the field of orthodontics, including foundational theory and the latest on the materials and techniques used in today’s practice. Experienced, renowned editors lead a team of expert, international contributors to provide the most authoritative clinical practice and supporting science from the best and brightest in the industry. More than 3,400 images include a mixture of radiographs, full-color clinical photos, and anatomic or schematic line drawings, showing examples of treatment, techniques, and outcomes. Detailed, illustrated case studies show the decision-making process, highlighting the consequences of various treatment techniques over time. Extensive references make it easy to look up the latest in orthodontic research and evidence-based information, and all references also appear online. Enhanced ebook, included with every print purchase, features a fully searchable version of the text and bonus online-only chapters, instructional videos, and more. NEW! Seven chapters cover topics such as AI, maxillary expansion in adults, Class II correctors, and autotransplantation. Newly authored chapters on aligners, orthognathic surgery, the periodontal-orthodontic interface, interdisciplinary and computer-assisted treatment, temporary anchorage devices, and accelerated tooth movement, among others, address current perspectives. UPDATED! Relevant literature and evidence-based practices are featured throughout the text. NEW! Additional photos and illustrations visually reinforce key concepts and procedures.
Author: Publisher: ISBN: Category : Languages : en Pages : 61
Book Description
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.
Author: Moschos A. Papadopoulos Publisher: Elsevier Health Sciences ISBN: 0723433917 Category : Medical Languages : en Pages : 413
Book Description
Section I CLASS II ORTHODONTIC TREATMENT AND COMPLIANCE 1. The problem of compliance in orthodontics 2. Classification of the non-compliance appliances used for Class II correction Section II NTER-MAXILLARY APPLIANCES USED FOR THE MANAGEMENT OF CLASS II NON-COMPLIANT PATIENTS 3. Overview of the inter-maxillary non-compliance appliances 4. The Herbst appliance 5. The Cantilever Bite Jumper 6. The Ritto Appliance(R) 7. The Mandibular Protraction 8. The Mandibular Anterior Repositioning Appliance 9. Energy management: The philosophy behind fixed intermaxillary mechanics 10. The Jasper Jumper 11. The Flex Developer 12. The Eureka Spring 13. The Twin Force Bite Corrector in the correction of Class II malocclusion in adolescent patients 14. The Sabbagh Universal Spring Section III INTRA-MAXILLARY DISTALIZATION APPLIANCES USED FOR THE MANAGEMENT OF CLASS II NON-COMPLIANT PATIENTS 15. Overview of the intra-maxillary non-compliance distalization appliances 16. The Pendulum appliance 17. The Penguin Pendulum 18. Non-compliance Class II treatment with the Distal JetAldo Carano 19. The Keles Slider appliance for bilateral and unilateral maxillary molar distalization 20. The Jones Jig and modifications 21. The use of magnets for maxillary molar distalization 22. The First Class appliance 23. An effective and precise method for rapid molar derotation Section IV INTRA-MAXILLARY APPLIANCES WITH ABSOLUTE ANCHORAGE USED FOR THE MANAGEMENT OF CLASS II MALOCCLUSION 24. Overview of the intra-maxillary non-compliance appliances with absolute anchorage 25. The use of implants as absolute anchorage for Class II correction 26. The use of onplants for maxillary molar distalization Section V CLINICAL EFFICACY OF THE NON-COMPLIANCE APPLIANCES 27. Clinical efficacy of the non-compliance appliances used for Class II orthodontic correction.
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Author: Rano Burton
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Author: Hans Pancherz
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Author: Martyn T. Cobourne
Author: Lee W. Graber
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Author: Moschos A. Papadopoulos
Author: Jeffrey H. Ahlin