Evaluation of Invisalign Treatment Utilizing the American Board of Orthodontics Objective Grading System for Dental Casts PDF Download
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Author: Scott Vincent
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Author: Scott Vincent
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Author: Dr. RITIKA MOTGHARE
Publisher: Book Rivers
ISBN: 9355152809
Category : Antiques & Collectibles
Languages : en
Pages : 89
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Author: Waseem Kassas
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Invisalign® is a new orthodontic treatment modality of treating malocclusion with an advanced esthetic approach. It provides an esthetic and hygienic alternative for patients who want to undergo orthodontic treatment without affecting their facial appearance. However, few studies have been published to evaluate the effectiveness of this appliance. Purpose of the Study: The purpose of this study is to evaluate the Invisalign treatment outcome of mild to moderate malocclusions by using the Model grading system (MGS) of the American board of orthodontics (ABO). Materials and Methods: A total of 425 Invisalign® cases were identified from an orthodontic private practice in buffalo, New York State. Of 425 cases, 119 met the inclusion criteria of having full permanent dentition with (DI) score between 10 and 20, and treated completely with Invisalign without extraction. From those 119 cases, only 31 cases had a complete set of records before and after treatment. The pre-and post-treatment models were assessed using the ABO Model Grading System (MGS) .Wilcoxon signed rank test was used to compare the pre-and post-treatment MGS scores in all categories. Results: The mean scores of all MGS categories (except occlusal contacts score and occlusal relationship score) were improved after treatment. Significant improvements were found in OGS Score (45.03"7.47 vs. 35.87"9.36, p
Author: Troy Okunami
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Author: T. Michael Brooks
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Author: Basavaraj Subhashchandra Phulari
Publisher: JP Medical Ltd
ISBN: 9350904713
Category : Medical
Languages : en
Pages : 286
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Orthodontics is a sub-specialty of dentistry that deals with the treatment of misaligned teeth. This book describes the history and evolution of orthodontics. Beginning with an introduction to the history of dentistry in general, the following chapters look at the history of orthodontics in different parts of the world, including the USA, UK and parts of Europe. The following sections describe the evolution of key aspects within orthodontics including cephalometrics, removable and fixed appliances and cleft palate. Separate chapters are dedicated to the contributions of eminent inventors in the field. The development of more recent advances in orthodontics such as invisalign and dental lasers is also covered. This book includes more than 180 photographs, tables and illustrations, as well as extensive references for further reading. Key points Guide to the history and evolution of orthodontics Dedicated chapters cover developments in the USA, UK and Europe More recent advances in orthodontics are included Extensive references for further reading
Author: Omar Fetouh
Publisher:
ISBN:
Category :
Languages : en
Pages : 41
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Introduction: Invisalign® has become one of the very popular treatment modalities requested by patients to straighten their teeth. However, there has been great controversy among clinicians about the effectiveness of this new treatment modality. Indeed, there are very few studies that report the effectiveness and appropriateness of Invisalign®. It was thus the goal of this retrospective study to help clinicians in deciding whether Invisalign® is appropriate to their patients or not. Materials and Methods: Sixty-seven patients with Class I malocclusion, mild crowing and some overbite were included in this study. All cases had Discrepancy Index (DI) less than 5 and were treated non-extraction. All patients had full permanent dentition and no missing teeth. Thirty-four patients were treated with traditional fixed orthodontics (braces group) and 33 patients were treated with Invisalign®. All patients were treated in a private clinic in Buffalo, New York, by the same practitioner. The posttreatment models were graded using the ABO Objective Grading System (OGS) to assess the treatment outcome of both groups. Paired t-test was used to analyze the data collected in this study. Results: There was no statistical significant differences between the scores of the Invisalign® group and Braces group for Alignment (p=0.059), Occlusal Relationship (p=0.223) and Interproximal Contacts. The Invislaign® group had higher scores in Marginal ridges, Bucco-lingual inclination, Occlusal Contacts, and Overjet than Braces group. Conclusion: According to OGS, Invisalign® can treat mild malocclusion with DI less than 5 as efficiently, if not better, as braces. This study helps clinicians to determine which patients are best suited for Invisalign® treatment.
Author: Robert Aszkler
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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The American Board of Orthodontics (ABO) has made an attempt to improve our profession and attempted to quantify the proper arrangement of teeth after they have received orthodontic treatment. They developed a Model Grading System in order for orthodontists to assess the adequacy and quality of their orthodontic treatment more objectively1. This system was developed in the early 90's and has been used since then. It relies on eight criteria to determine the adequacy of the treatment result. They are: alignment, marginal ridges, buccolingual inclination, occlusal relationships, occlusal contacts, overjet, interproximal contacts, and root angulation. Each one of these criterion is essential to proper orthodontic treatment. This study was an attempt to quantify the relationship of the ABO's Model Grading System to an overall excellent orthodontic result. It also attempted to address the areas that are of concern to orthodontists post-treatment.^Which of the eight criteria are more likely to get worse post-treatment and which will improve. This study was a retrospective study that utilized plaster models from the patient's final records and post-treatment records that were previously taken and recorded. Thirty cases were selected based on completeness of records treated by a single orthodontist (R.G. "Wick" Alexander, D.D.S., MSD). Each of the thirty cases was assigned a number 1-30 to identify them. The inclusion criterion for the study was that both arches were treated orthodontically. The exclusion criterion excluded lower incisor extraction cases from the study. An initial Discrepancy Index for each of the selected thirty cases was performed to determine the difficulty of each case. The final models of each case was then graded using the ABO Model Grading Assessment immediately post-treatment (T2) and at post-retention (T3).^Statistical Analysis was performed on the eight Model Grading System criteria including Paired t-tests and Pearson product correlations. It was shown that marginal ridges and occlusal contacts scored less well at T2 partly because of Dr. Alexander's bracket prescription. These criteria showed a highly significant decrease in score between T2 and T3. The average total score showed a highly significant decrease between T2 and T3 partly because of the large decrease in previous two criteria. Further research needs to be done utilizing more cases treated by more than one orthodontist. This will conclusively determine which of the eight criteria get better or worse with time.
Author: Guy Plantier
Publisher: Springer
ISBN: 3319261290
Category : Medical
Languages : en
Pages : 409
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Book Description
This book constitutes the thoroughly refereed post-conference proceedings of the 7th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2014, held in Angers, France, in March 2014. The 25 revised full papers presented were carefully reviewed and selected from a total of 362 submissions. The papers cover a wide range of topics and are organized in topical sections on biomedical electronics and devices; bioimaging; bioinformatics models, methods and algorithms; bio-inspired systems and signal processing; health informatics.
Author: David Leaver Cameron
Publisher:
ISBN:
Category : Dental casting
Languages : en
Pages : 104
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