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Preventive aspects of DH
- Primary Prevention
- Secondary Prevention
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Diff btw Primary and Secondary prevention
- Primary-impede development of disease
- Secondary-limit destruction caused by disease
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Oral tissue as biologic materials
- Enamel
- dentin
- Pulp
- Periodontium
- gingival tissues
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The US standards and guidelines for evaluating dental products
Council on Scientific Affairs of the American Dental Association (ADA)
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how long does the ADA seal last
3 years
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Medical Device Amendments of 1976 group divices into three categories
- Class I: least regulated..pophy paste, toothbrushes
- Class II: devices gain approval from FDA...amalgum and composite
- Class III: most regulated: require premarket approval; datat must be submitted to FDA for these to be sold...bone graft materials
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attempts to unify standards throughout its member countries. carry the CE marking
International standards organization (ISO)
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Classification of Dental Materials
- classification by use:
- restorations
- crowns
- bridges
- complete and partial dentures
- impressions, casts, adn models
- cements
- temporary materials
- preventive materials
- polishing materials
- implants
- specialty materials
- location of fabrication:
- Direct Restorative Materials (constructed directly in the oral cavity..placed in the "cavity preparation" that was drilled by the dentist
- E.g. amalgam, composites, glass ionomers
- Indirect Restorative Materials (fabricated outside the mouth)
- E.g. Gold growns and inlays, ceramic materials, indirect restorative polymers
- longevity of use:
- permanent restorations
- temporary restorations
- interim restoration (long-term temporary restoration)
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Dr. G.V. Black's classification of caries
- Class I: pits and fissures
- Class II: area of tooth just below the interproximal contact in posterior teeth
- Class III: interproximal caries in anterior teeth
- Class IV: class III lesion left untreated progresses to the incisal angle of an anterior tooth
- Class V: gingvial third of the facial or lingual surfaces of anterior and posterior teeth
- Class VI: cusp tip or incisal edge of a tooth (attrition causing the tooth to dip out)
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