Assessing the American Board of Orthodontics Objective Grading System PDF Download
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Author: Troy Okunami
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
Author: Troy Okunami
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
Author: Robert Aszkler
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
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: Scott Vincent
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
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Author: Derek A. Straffon
Publisher:
ISBN:
Category : Orthodontics
Languages : en
Pages : 226
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Author: Michael Kevin Cook
Publisher:
ISBN:
Category : Orthodontics, Corrective
Languages : en
Pages : 112
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Author: T. Michael Brooks
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Author: Brian C. Nett
Publisher:
ISBN:
Category :
Languages : en
Pages : 50
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Author: Jeffrey D. Askins
Publisher:
ISBN:
Category : Dental personnel and patient
Languages : en
Pages : 79
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Author: Nicole C. Brummer
Publisher:
ISBN:
Category :
Languages : en
Pages : 124
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Book Description
Background and significance: In 1998 the American Board of Orthodontics (ABO) introduced the Objective Grading System (OGS) for assessing the quality of candidates' treatment results. Purpose: To compare the effect of panoramic image modality and head position on the score obtained applying the ABO's OGS using one of two reference planes for the assessment of root angulation of anterior teeth. Methods: This is a retrospective study using images of 3 "representative models." Radiographs were taken on 3 panoramic x-ray machines, the OP-100 (normal mode and the "Orthozone" mode), Orthophos SD and PC-1000, at five different head positions. Results: Significant differences were found between image modality, head position, and method of measurement. Conclusions: We recommend the clarification of the instructions and assessment of the panoramic radiograph with respect to various head positioning and panoramic equipment used prior to this analysis to provide a tolerance of up to 5 points.
Author: Om Prakash Kharbanda
Publisher: Elsevier Health Sciences
ISBN: 8131249360
Category : Medical
Languages : en
Pages : 1022
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Book Description
The second edition is expanded and rejuvenated with a greater focus on PG students, orthodontic educators, UG students and practitioners. The book covers entire panorama of science and clinical practice of orthodontics, from basics to clinical, presented in 58 chapters organised in 15 sections. The information is provided in-depth, literature supported, complimented with real life scenarios and case reports. A special effort has been made to include structured information on subjects of relevance which are much talked about but found only in journals. Contains a balanced blend of texts, graphics, boxes and clinical case reports encountered in clinical practice A comprehensive coverage of cephalometric radiology, ethnic norms and advances in three-dimensional imaging A detailed step by step approach to orthodontic treatment with contemporary fixed appliances, from diagnosis to finishing Provides an up-to-date information on topics of day-to-day relevance such as epidemiology of malocclusion and orthodontic indices, psychological aspects of orthodontics, debonding, care and maintenance of occlusion after orthodontic treatment Presents updated information on temporary anchorage devices (TAD), impacted and transposed teeth, inter-disciplinary treatment, management of cleft lip and palate and orthognathic surgery Emerging fields such as surgically facilitated rapid tooth movement, distraction osteogenesis and obstructive sleep apnoea (OSA) are included with up-to-date clinically relevant information Includes Companion Website containing procedural videos
