Test
Dental liners and bases: purpose and use in cavity preparation
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Preguntas del test (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
- AVerdadero
- BFalso
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
- AVerdadero
- BFalso
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
- AVerdadero
- BFalso
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
- AVerdadero
- BFalso
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
Información
- Descripción
- dental materials and morphology Test sobre Sin título, creado por Jennifer Panther el 26/09/2016.
- Autor
- Jennifer Panther
- Idioma
- English
- Visitas
- 1
- Etiquetas
- Valoración
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