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50 Cards in this Set
- Front
- Back
Types of dental material |
Liners, bases, cements and bonding agents. |
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Self curing is:
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A chemical reaction between two materials.
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Light cured
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Dental cement set with a curing light.
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Glass ionmer cement
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Chemically bonds to tooth structure.
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What is the set time for glass ionmer cement?
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5 minutes
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Which dental cement has a therapeutic effect on the pulp?
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Calcium hydroxide
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What is cavity varnish used for?
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A material used to seal the dentinal tubules that are exposed during an amalgam cavity preparation. |
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How many layers are put on when applying cavity varnishes ? |
Two |
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Titration refers to the |
Physical movement |
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amalgamation refers to the |
chemical reaction that occurs between the alloy and the mercury to form the silver amalgam.T |
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Type II Glass Ionmers are used for: |
Esthetic restoration used in non stress bearing restorations. ex, restoring the gingival 1/3 and root surface cavities. |
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How can shrinkage of composites be minimized? |
Placing the composite in small layers in the cavity preparation, each layer is cured as it is placed. |
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Resin Ionomers |
Combination of composite resins and glass ionomers used in class III and V restorations.
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How is the adheasion of dental materials to enamel and dentin accomplished? |
By acid etching using phosphoric acid |
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What is trituration |
The mechanical method of mixing and combining the dental alloy and mercury. |
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What is amalgamation |
The chemical reaction that occurs between the alloy and mercury to form the silver amalgam |
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Why are impression taken? |
To reproduce an accurate 3 dimensional model of the patients teeth and surrounding tissue. |
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What is syneresis |
Loss of water due to dehydration that causes shrinkage |
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What is imbibition |
Tendency to absorb water that results in swelling |
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What is convientient way to control the setting time for the alginate? |
Adjust Water temp. |
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what is the water/powder mix ratio for a maxillary impression |
3 scoops of powder to 3 increments of water |
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what is the water/powder mix ratio for a mandibular impression |
2 cups of powder to 2 increments of water |
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What disenfecting agent should be used on an alginate impression |
Glutaraldehyde an organic compound with the formula CH2(CH2CHO)2. and Iodophors |
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what is an exothermic reaction |
a chemical process that gives off heat |
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Name some types of gypsum materials |
type I impression plaster type II model or lab plaster type III laboratory stone |
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What is an articulator |
a frame that holds model to duplicate patients occulusion. |
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when would a custom tray be needed |
When the stock tray does not fit |
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Name the types of pupal diseases |
Reversible pulpitus irreversible pulpitus pupal necrosis |
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What are the types of perapical diseases |
apical periodontitis & periapical abscess |
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What does incise mean |
to cut into |
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what does excise mean |
to cut out of |
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what is an apicoectomy |
An apicoectomy is a surgery that involves the root tip, or the “apex” of the tooth root. The term “ectomy” means to excise, or cut. During this procedure the area around the root tip is also cleaned to remove any abnormal tissue or cystic formations. |
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Name some types of fixed prosthetics |
veneers crowns inlays and inlays bridges
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What is a removable prosthesis |
Artificial structures used to replace missing teeth and surrounding tissue |
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Name the components of a removable partial denture |
The metal Framework the rest the connectors retainer denture base artificial teeth
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name the components of a full denture |
denture base and teeth |
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What is the most common x-ray used in the diagnostic procedure for orthodontics |
panoramic cephalometric |
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What is a fixed orthodontic appliance |
directly bonded to the teeth and cannot be removed by the dentist |
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what is alveolitis |
a dry socket loss of blood clot |
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What are the 2 main classifications of periodontal disease? |
gingivitus and periodontitis |
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What is a gingivectomy |
The surgical removal of the diseased tissue gingival tissue that forms in the periodontal pocket. |
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What is the primary focus of pediactric dentistry |
Prevention |
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what is periodontics |
an area of dental specialization that deals with disease of the tissue and around the root of the tooth. |
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What is orthodontics |
A special area of dentistry concerned with recognition, prevention and treatment of malalignment irregular teeth |
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What is Endodontics and what procedures does it include |
Branch of dental treatment concerned with the diagnosis and treatment of diseases of the pulp and periapical tissue. procedures include root canals and periapical surgery |
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Why are bonding agents used |
To improve the retention of between the tooth structure and the restoration. |
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Name the 6 cranial bones |
Frontal Occipital Temporal Parietal Ethmoid Sphemoid |
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Name the parts of the tooth and tissue From Crown down to the root: |
Enamel Dentin Pulp Gingival Tissue Alveolar bone Cementum Periodontal ligament Apical Foramen Apex (root)
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Systemic and Topical Refer to what? |
2 EMrTypes of anesthesia |
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Removal of all disease causing organisms is |
Sterilization |