Quiz
Dental liners and bases: purpose and use in cavity preparation
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Fragen in diesem Quiz (50)
1A variety of supplemental dental materials can be incorporated into restorative and esthetic procedure for health and well being of the tooth that is being restored
- ARichtig
- BFalsch
2What are liners, bases, varnishes, desensitizers, bonding materials and etching all do?
- Athey provide added protection for pulp and surrounding tooth structures in final restoration
- Bthey provide color and vibrant glossy effect to teeth afterwards
3When a dentist prepares a tooth, is he or she ever 100 % certain as to the extent of disease present into the tooths structure until the tooth has been assessed by what? and yes or no to 100 percent certain?
- Ano never 100 percent certain and a rotary or hand-cutting instrument
- Byes they are always 100 certain and a handpiece or bur
4what happens if decay has extended into dentin or moved close to pulp?
- Aa moderately deep or deep prep is required
- Ba rigorously procedure needs to be done
5After decay moves to close to pulp or dentin, what is used before the permanent restoration is placed?
- Aliner
- Bbase
- Cvarnish
- Ddesensitizer
- Ebonding agent
- Fcombination of all 5
6why are cavity designs created in a tooth
- Acreates strength within tooth
- Bcreates friction within tooth
7creating strength within tooth does what?
- Adetermines how well tooth will hold restoration in place
- Bwithstand chewing and biting force
8the more natural tooth structure dentist leaves, easier it is to hold restorative material in place
- ARichtig
- BFalsch
9If dentist must rely on dental materials for their retaining properties if...
- Aa) tooth structure is week
- Bb) has little foundation
- Cc) is too strong
- Da and b
10Relating to heat
- AThermal
- BInsulating
11Thermal changes from hot and cold
- APhysical stimuli
- Bmechanical stimuli
- CChemical stimuli
12Electrical energy created by other metals that come into contact with the tooth
- APhysical stimuli
- Bmechanical stimuli
13Vibrations from handpiece when tooth is being prepared
- APhysical stimuli
- BMechanical stimuli
14Traumatic occlusion
- APhysical stimuli
- BMechanical stimuli
15Acidic materials
- AChemical stimuli
- BPhysical stimuli
16Saliva reaching pulpal tissues
- AChemical stimuli
- BPhysical stimuli
17Bacteria from saliva coming into contact with pulpal tissues
- APhysical stimuli
- BBiologic stimuli
18Are you suppose to place a thin layer of liner on deepest portion or dental prep or a thick layer
- AThin
- BThick
19What does a dental liner do
- APulpal protection
- BDentin regeneration
20The thin liner layer protects pulpal tissue from what?
- AIrritation
- BThermal conditions
21Irritation of pulp of dental liner is caused by?
- AWater, viscosity, adhesion, gloss
- BPhysical, chemical, mechanical, biologic
22What determines which lining agent dentist will select?
- AHealth and condition of tooth
- BWay it reacts and how it sets
23What is a type of dental liner used in offices
- AZoe
- BCalcium hydroxide
24What are the characteristics of calcium hydroxide
- AProtects pulp from chemical irritation thru sealing
- BStimulates production of reparative or secondary dentin
- CCompatible with all types of restorative materials
25How is the calcium hydroxide supplied?
- A2 paste system
- BLight cured material
- CBoth
26Consists of one or more natural resin in organic solvent
- AVarnish
- BDesensitizer
27What does application of a varnish accomplish
- ASeals dental tubules
- BReduces microleakage around restoration
- CActs as barrier to protect tooth from highly acidic cements such as zinc phosphate
28How is varnish applied
- ASmall disposable applicator
- BMetal ducal applicator
29The main advantage of fluoride varnish is its versatility use
- ARichtig
- BFalsch
30What kind of substance is fluoride varnish
- ARunny
- BGel like
31Specific indications for use of fluoride varnish are?
- AProfessional topical fluoride application
- BTreatment of hypersensitive cervical areas
- COrthodontic patients
- DCavity varnish
- EDentin sealant
32Dental material used to treat or prevent hypersensitivity
- ADesensitizer
- BVarnish
33Desensitizer is also referred to as a
- APrimer
- BLiner
34Desensitizer would be used instead of a varnish yes or no
- AYes
- BNo
35What seals dental tubules
- ADesensitizer
- BVarnish
36Why do desensitizes seal tubules
- ATo keep oral fluids from seeping
- BTo keep fluids from causing swelling
37A desensitizer can be used under direct and indirect restorations
- ARichtig
- BFalsch
38A dental material used sparingly
- AVarnish
- BDesensitizer
39Most desensitizes contain?
- AHema and glutaralaldehyde
- BAlcohol and chlorine
40What are the 3 ways bases provide protection
- AProtective
- BInsulating
- CSedative
- DAll
41Placed when necessary to protect pulp
- AProtective
- BInsulating
- CSedative
42Placed in deep cavity prep to protect tooth from thermal shock
- AProtective
- BInsulating
- CSedative
43Helps soothe pulp damaged by decay
- AProtective
- BSedative
44Preventing passage of heat and electeicity
- AInsulating
- BThermal
45Used for a insulating and sedative base
- AZoe
- BZinc phosphate
46Having a soothing effect
- ASedative
- BInsulating
47Has soothing effect on painful irritated pulp
- AEugenol
- BSedative
48This base has thermal insulation qualities
- AZoe
- BZinc phosphate
49Base material is what?
- APutty like
- BGel like
50Frosted appearance
- AEtchant
- BDesensitizer
Informationen
- Beschreibung
- dental materials and morphology Quiz am Ohne Titel, erstellt von Jennifer Panther am 26/09/2016.
- Autor
- Jennifer Panther
- Sprache
- English
- Aufrufe
- 1
- Schlagwörter
- Bewertung
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