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NDAEB Practice exam 2024 with 100% correct answers
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Who was the first woman to graduate from a recognized dental college? - correct answer Lucy B. Hobbs-Taylor What are the conditions that would indicate the need for restorative dentistry? - correct answer - initial or recurring decay - replacement or failed restorations - abrasion or weari...

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  • January 13, 2024
  • 43
  • 2023/2024
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NDAEB Practice exam 2024 with 100%
correct answers

Who was the first woman to graduate from a recognized dental college? - correct answer Lucy B.
Hobbs-Taylor



What are the conditions that would indicate the need for restorative dentistry? - correct answer - initial
or recurring decay

- replacement or failed restorations

- abrasion or wearing away of tooth structure



True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific
conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. -
correct answer False



The process of removing unhealthy tooth structure while leaving a limited amount of healthy structure
for the tooth to maintain a restoration is known as cavity preparation. This process involves which of the
following steps? - correct answer - initial preparation

- outline, resistance, retention, convenience form

- final preparation



Responsibilities of the dental assistant in the restorative process can include performing expanded
function and maintaining patient control. - correct answer True



Class II restorations are found on the.... - correct answer Posterior teeth



The usual material of choice for class III and Class IV restorations is ... - correct answer Composite Resin



The Class V restoration is classified as a smooth surface filling and can be found on the... - correct
answer - incisors

,- canines

- premolars



When are retention pins used as a part of the direct restorative process? - correct answer - when decay
has extended beyond the normal size and shape of the cavity preparation

- when a stronger system for retaining and supporting the restoration is needed

- when one or more cusps of the tooth is missing



A veneer is a thin layer of tooth-coloured material that is placed on the facial surface of a prepared
tooth and is used for: - correct answer - improving appearance of teeth that are abraded, eroded or
discoloured

- closing a diastema

- improving alignment of teeth



When is tooth whitening or vital bleaching not indicated for a dental patient? - correct answer when
the patient presents with severe tetracycline and fluorosis stains



A matrix must be used to create a temporary wall for which of the following classifications of tooth
restoration? - correct answer Class II, III, and V



The most common matrix system used for class II posterior restorations is the... - correct answer
tofflemire retainer and matrix band



The universal/Tofflemire retainer holds the matrix band snugly in position and is most often positioned...
- correct answer on the buccal surface of the tooth being restored



The class II restoration requires a matrix band to act as an artificial wall that must make proper contact
with the adjacent tooth; this is accomplished by... - correct answer - using a wedge

- contouring the centre of the matrix band in the proximal contact area

- the dentists design of the inter proximal cavity preparation



The matrix is used for anterior CR or GI restorations... - correct answer Clear Plastic

,Coronal Polishing is a technique used: - correct answer - to remove plaque and stains from coronal
surfaces of the teeth

- before placement of dental sealants and orthodontic bands

- before placement of the dental dam and before acid etching



Patients at high risk for caries or with areas of thin demineralized enamel are contraindications for
coronal polishing - correct answer True



Coronal polishing is the complete removal of calculus, debris, stains and plaque from the teeth - correct
answer False



Exogenous stains are caused by an environmental source and are classified into subdivisions, including
which of the following: - correct answer - Intrinsic stains

- Extrinsic stains



Extrinsic stains can be removed from the teeth by: - correct answer - air-powder polishing

- rubber cup polishing

- bristle brushes



The ultrasonic scaler is needed for a coronal polish... - correct answer False



Disclosing solution can be used for: - correct answer - identifying areas of plaque

- evaluating the effectiveness of the polishing



Teeth with very small initial carious lesions may be sealed, and the bacteria will not survive under a
properly placed sealant - correct answer True



Sealants have been proved an effective way to prevent the development of dental caries and are
indicated: - correct answer - through the caries-active period (ages 6-15)

- for teeth with deep pits & fissures

, - for some adults



Sealants shouldn't be used in which of the following situations: - correct answer - obvious dental decay
or proximal surface decay

- primary teeth that will be lost soon

- poor patient cooperation in the dental chair or lack of pits & fissures



Sealants may vary in: - correct answer - method of polymerization

- colour

- whether they contain fillers



A general tip for sealant materials is to store them in a refrigerator: - correct answer False



The first step in placing dental sealants is to: - correct answer clean the surface



A sealant that is polymerized by chemical reactions is called: - correct answer Self-Cured



Self-Cured sealant materials are supplied as a two-part system that includes: - correct answer - a base

- a catalyst



Dental sealants should be used as part of a preventative program that includes: - correct answer -
fluorides

- dietary considerations

- plaque control



Enamel that has been etched has the appearance of being: - correct answer frosty



Antidepressants are often used in dentistry to alleviate or reduce anxiety and pain - correct answer
False

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