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Therapeutic Agents
- those items that are used in the treatment of a disease or condition
- ex. toothbrush, toothpaste, floss
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Dental Biomaterials
- These are man-made materials that are used to replace tissues or that function in intimate contact with living tissue in or around the oral cavity
- ex. composite bonding, ortho retainer
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Veneers and crowns can not have
APF (acidulated phosphate fluoride) or they will be ruined
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Amalgams were developed in
France in mid-1800’s.
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Father of operative dentistry
G.V. Black
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State of the art dentistry in the 1960’s was defined as
the art and science of repairing and replacing lost, diseased, or damaged portions of the human dentition.
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When was The first “Crest kids” generation was born
1960's
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Two additions to the definition of dentistry were added to this original definition in 2010
- The science of preventing disease in the human dentition
- The art and science of creating esthetically pleasing dentitions and smiles in patients
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Preparation
work done on the tooth to ready it for the restorative material "drilling"
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Margin
where man-made material at edge of restoration butts up against natural tooth structure
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Debridement
Removal of carious or unsupported tooth structure prior to restoration
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Retention
contours or design cut into the tooth to keep the restorative material in place
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Resistance
contours or design cut into the tooth that prevent fracture of restored tooth under function
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Who developed a system classification based on which surfaces of the tooth are decayed in the late 1800's
G.V. Black
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Class I Restoration
- Occlusal surface of a posterior tooth. Can also include lingual and/or buccal pits
- ex. O, OL
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Class II Restoration
- Posterior interproximal fillings. Includes the occlusal surface
- ex. MO, DO
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Class II decay is most often diagnosed
by radiographs
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Class III Restorations
- Interproximal surface of an anterior tooth.
- M or D (mesial or distal)
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Class IV Restoration
- Anterior restoration that includes the incisal edge.
- Usually involves the incisal angle
- ex. MI, MIL
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Class V Restoration
- Anterior or posterior On the cervical third of the tooth
- Buccal or lingual
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INLAY
- Restoration that replaces the occlusal and one or both interproximal surfaces
- Inlays are within the tooth and don't involve the cusp of the tooth
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ONLAYS
Larger restoration that replaces occlusal, interproximal surfaces, and one or more cusps
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CROWNS
Restoration where all of the enamel is removed and the remaining tooth structure is covered with gold, metal, porcelain fused to metal, or ceramic
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Fixed prosthodontics
- cemented or screwed on restorations that cannot be easily removed
- ex. crowns and bridges
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Removable prosthodontics
artificial teeth easily placed and removed. Examples are partial dentures and full dentures.
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Bridge
cemented partial denture that replaces one or several missing teeth in an arch
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Abutment
- crowned teeth retaining the bridge
- Surrounding teeth that are prepped
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Pontic
- missing teeth replaced by prosthesis
- "false tooth"
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Implants were originally used
to help hold loose mandibular (lower) dentures.
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Implants are most commonly made from
TITANIUM
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In the U.S standards for dental materials are developed and administered by the:
ADA
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Reasons for a dental hygienist to have knowledge and understanding of dental materials
- explaining the different types of restorative materials available to the patient
- Assessing the patient's oral condition
- Understanding the behavior of dental materials
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An amalgam restoration placed on the gingival third of tooth #3 would be a ____ restoration
Class V
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Which of the following oral tissues provides feedback to the individual regarding the forces placed on the tooth
The periodontium
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The walls of an amalgam restoration _____ while the walls of an inlay ____
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If a restoration is fabricated on a replica of a patient's teeth, it is referred to as a
Cast
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Which class of medical devices are the most regulated?
Class III
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A prosthesis is
a replacement for a lost body part
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