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The document describes the Index of Orthodontic Treatment Need (IOTN), which is used to assess the severity of malocclusion or misalignment of teeth. It assigns severity levels from 1 to 5 for various dental traits, with 1 indicating little or no need for treatment and 5 indicating the most extreme need for treatment. Traits assessed include overjet, overbite, crossbite, displacement of teeth, missing teeth, impeded eruption, and cleft lip or palate. Each level provides guidelines on the parameters that define the severity of the trait.
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This document describes the ABO Discrepancy Index (DI), which provides a measure of case complexity for orthodontic treatment. It outlines various target disorders that are scored, such as overjet, overbite, open bites, crowding, and occlusal relationships. For each target disorder, it specifies how to measure or classify it and what score to assign. The DI allows orthodontists to systematically and objectively assess pretreatment complexity across different cases.
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1. The Index of Orthodontic Treatment Need (IOTN), which assesses dental health and aesthetic components to determine treatment priority.
2. The Dental Health Component of IOTN uses a hierarchical scale to classify malocclusion severity from grade 1 (no need for treatment) to grade 5 (great need).
3. The Aesthetic Component of IOTN uses a 10-point scale where patients rate attractiveness of their smile and need for treatment is determined by grades.
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1) The document discusses different types of longitudinal tooth fractures including craze lines, fractured cusps, cracked teeth, split teeth, and vertical root fractures. It aims to clarify definitions and diagnostic criteria for each type.
2) Detection of cracks requires careful examination including history, visual and tactile inspection, radiographs, staining, and bite tests. The location and extent of a crack determines appropriate treatment.
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Copyright by Department of Preventive & Community Dentistry
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Feel free to request to take it down this slide if you are copyright owner.
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Feel free to request to take it down this slide if you are copyright owner.
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The CPITN index involves examining six index teeth in each sextant of the mouth to determine a code from 0-4 representing the periodontal treatment need. A score is given to each sextant and used to assess the periodontal treatment needs of communities.
The DMFT index quantifies the number of decayed, missing, and filled teeth in a person or population. The DMFS index is similar but quantifies these values at the tooth surface
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This document discusses white spot lesions that can form during orthodontic treatment with fixed appliances. It defines white spot lesions as subsurface enamel porosity from demineralization that appears as milky white opacities on smooth surfaces. Studies have found prevalence rates of white spot lesions ranging from 49.6-97% in orthodontic patients. Risk factors include fixed appliances increasing plaque retention. Diagnosis methods include clinical examination, photography, and optical methods like quantitative light-induced fluorescence. Prevention emphasizes good oral hygiene and supplemental fluoride from sources like fluoridated toothpaste, mouthwashes, varnishes and fluoride-releasing orthodontic adhesives and sealants.
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The document discusses luxury terraced homes in the Kitisuru area of Kenya that provide both luxury and comfort. It also discusses how to decorate your home for the festive season to spread holiday cheer. Finally, it provides tips on creating the ultimate garden party.
indices 2 / dental crown & bridge courses /certified fixed orthodontic cour...
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
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This chapter discusses the classification and etiology of malocclusion. Malocclusion can result from genetic factors, environmental factors, or a combination. Environmental influences include habits like digit-sucking and premature tooth loss from caries or trauma. Several commonly used classification systems are described, including Angle's classification (Classes I, II, III based on molar relationship), the British Standards Institute classification (based on incisor relationship), and the Index of Orthodontic Treatment Need (IOTN) which evaluates dental health and psychosocial impacts. The goal of orthodontic treatment is a functional occlusion without interference or pathology, though lack of an ideal occlusion may not cause long-term issues.
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This document discusses methods for measuring various oral health conditions in epidemiology. It covers malocclusion measurement tools like Angle's classification and the Index of Orthodontic Treatment Need (IOTN). For oral cancer, it discusses prevalence, survival rates, and risk factors. Cleft lip and palate occurrence is expressed as proportions or rates. Quality of life measures like the Oral Health Impact Profile (OHIP) and General Oral Health Assessment Index (GOHAI) are presented.
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indices 2 / dental crown & bridge courses /certified fixed orthodontic cour...
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