dentures & amalgam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| a mouth denture set replaces all the teeth in the maxillary or mandibular arch | true
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| a single denture is another term for a partial denture in that some natural teeth remain in the arch receiving the single denture | true
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| teeth dehydrate when they are isolated for a period of time and may appear whiter | true
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| home bleaching is very popular with patients because of the lower cost | true
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| the bleaching process will make all teeth their whitest and brightest | false
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| the ADA seal indicates the abrasive particles in the toothpaste do not exceed the maximum acceptable abrasive | true
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| tooth sensitivity is sometimes treated with sodium fluoride treatments | true
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| a computerized occlusal analysis system, t-scan III, can provide vivid graphics of the patient occlusion | true
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| copal varnishes are places under composite restorations, not amalgam restorations | true
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| mercury is metal | true
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| when curing lights are used a shield is used | false
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| calcium chloride can provide a mild irritant that is necessary for secondary dentin to form | false
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| the cavity liner placement is to cover the entire cavity preparation | false
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| liners are often called low-strength bases | true
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| ZOE Type I is mixed on a glass slab in order to control setting time | false
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| the IRM material can be placed in the patient's mouth and will last up to 1 year | true
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| a section matrix system is most often used on Class IV restorations | false
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| the AutoMatrix is a matrix w/out a retainer | true
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| if the tofflemire matrix band becomes creased or bent during assembly, it is thrown away | true
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| moving the inner knob will increase or decrease the size of the loop to math the diameter of the tooth | true
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| the wedges are usually placed from the lingual on the posterior teeth | true
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| the QuickDam can be used w/ or w/out a dental dam clamp | true
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| the tooth that the dental dam clamp is placed on is called the anchor tooth | true
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| the wedges are usually placed from the facial when used on posterior teeth | false
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| wax impression material is used | to take impressions of several of the pt's mouth
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| which type of gypsum is best used for ortho models | model
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| which type of gypsum is best used for general study models | type II
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| which type of wax is used for for the bite registrations | baseplate wax
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| type of denture that may be placed in the presence of natural teeth is called a/an | none
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| a veneer covers | the facial surface
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| a die is | a stone replica of the tooth preparation
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| the desirable use zone for a blowtorch is | Zone III
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| the average biting force in the anterior region is about | 40 lbs
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| a chemical attack on pure metals or amalgam is | corrosion
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| the modulus of elasticity measures the ____ of a material | stiffness
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| which cement has a soothing palliative effect on the tooth | zinc oxide eugenol
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| which 2 cements use chemical bonding for retention | glass ionomer and polycarboxylate
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| in preparing the tooth to receive a restoration, the ____ is the side of the prep | wall
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| 3 surfaces meet and form a | point angle
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| ____ varnish contains organic solvents and is used only under metal restorations | copal
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| what seals the dentin tubules | varnishes
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| mercury levels are determined in the human body by testing the | blood
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| the actual mechanical means of combining alloy and mercury is | trituration
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| the bottom side of the tofflemire matrix retainer is directed to | gingival tissue
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| wedges are used | when the prep involves a proximal surface
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| the ___ is the part of the tofflemire retainer that is used to adjust the size of the band | inner knob
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| time period when the material can be manipulated w/out adverse effect | working time
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| tendency of amalgam to deform under constant pressure | creep
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| ability of a material to return to its original form when stress is removed | elasticity
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| force of the union of one substance w/ another | bonding
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| tendency of metals to produce an electrical charge when in contact w/ each other | galvanization
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| period of time when material assumes shape but remains pliable | nitial set
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| mixing of mercury w/ other alloy material to form an amalgam | triuration
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| ability of the material to resist fracture | flow
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| period of time when the material becomes as hard as it will be | setting time
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| reproduction of a prepared tooth | die
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| hardening of a material through a chemical or light-activated response | cure process
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| maximum amount of resistance before penetration or scratching can occur | hardness
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| submersion into water | hygroscopic
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| amount of pulling stress required to rupture the material | tensile strength
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| chemical release of heat | exothermic
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| max amount of stress a material can w/stand w/out deformation | yield strength
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| ability to w/stand deformation w/out fracture while undergoing max compression stress | malleability
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| ability of material to withstand permanent deformation w/out a fracture under elongation stress | ductility
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| absorption of water | hydrophilie
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| amount of change in form that takes place during heart exposure | coefficient of thermal expansion
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| ability of the material to transmit heat | thermal conductivity
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| taking on water | imbibtion
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| maintains storage life | inhibitor
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| giving off water | hydrophobia
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| hue, croma, value | color
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Created by:
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