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NDAEB EXAM TEST BANK 1 2024/2025 REAL
EXAM REVIEW WITH 400 QUESTIONS AND
CORRECT VERIFIED ANSWERS/ NDAEB EXAM
2024/2025 NATIONAL DENTAL ASSISTING
EXAMINATION BOARD (NEW!!)
Jacquelyn, the dental patient, appears to have lost control of the muscles on one side of her face following dental treatment. She also has a headache, difficulty swallowing, and impaired speech. Which of the following is the most likely cause of the symptoms Jacquelyn is experiencing? - ANSWER-Cerebral Vascular accident
Plaster of Paris and dental stone are examples of: - ANSWER-Gypsum products
The first step in placing dental sealants is to _______ the surface - ANSWER- Clean
How are permanent teeth that replace primary teeth identified? - ANSWER- Succedaneous
Who was the first woman to graduate from a recognized dental college? - ANSWER-Lucy B. Hobbs-Taylor
What are the conditions that would indicate the need for restorative dentistry? - ANSWER-- initial or recurring decay
- replacement or failed restorations
- abrasion or wearing away of tooth structure
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pg. 2 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. - 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? - 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. - ANSWER-True
Class II restorations are found on the.... - ANSWER-Posterior teeth
The usual material of choice for class III and Class IV restorations is ... - ANSWER-Composite Resin
The Class V restoration is classified as a smooth surface filling and can be found on the... - ANSWER-- incisors
- canines
- premolars
When are retention pins used as a part of the direct restorative process? - 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 2 / 4
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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: - 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? - 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? - ANSWER-Class II, III, and V
The most common matrix system used for class II posterior restorations is the... - ANSWER-tofflemire retainer and matrix band
The universal/Tofflemire retainer holds the matrix band snugly in position and is most often positioned... - 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... - 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... - ANSWER-Clear Plastic
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Coronal Polishing is a technique used: - 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 - ANSWER-True
Coronal polishing is the complete removal of calculus, debris, stains and plaque from the teeth - ANSWER-False
Exogenous stains are caused by an environmental source and are classified into
subdivisions, including which of the following: - ANSWER-- Intrinsic stains
- Extrinsic stains
Extrinsic stains can be removed from the teeth by: - ANSWER-- air-powder
polishing
- rubber cup polishing
- bristle brushes
The ultrasonic scaler is needed for a coronal polish... - ANSWER-False
Disclosing solution can be used for: - 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 - ANSWER-True
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