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NDAEB Practice Questions with Correct Answers 2024 New Update
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NDAEB Practice Questions with Correct Answers 2024 New Update Oral manifestations of HIV/AIDS can include: - Answer-- HIV Gingivitis - Kaposi's Sarcoma - Hairy Leukoplakia When cells of the body divide and a deformity of a part of the body occurs, it is: - Answer-a developmental disorder A...

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  • August 27, 2024
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  • 2024/2025
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NDAEB Practice Questions
with Correct Answers 2024
New Update
Oral manifestations of HIV/AIDS can include: - Answer-- HIV Gingivitis
- Kaposi's Sarcoma
- Hairy Leukoplakia

When cells of the body divide and a deformity of a part of the body occurs, it is: -
Answer-a developmental disorder

A condition characterized by abnormally large jaws is: - Answer-Macrognathia

The condition known as __________ refers to any teeth in excess of the 32 normal
permanent teeth. - Answer-Supernumerary teeth

A hereditary abnormality in which there are defects in the enamel formation is: -
Answer-Amelogenesis Imperfecta

Any tooth that remains unerupted in the jaws beyond the time at which it should
normally erupt is referred to as: - Answer-Impacted

An oral habit consisting of involuntary gnashing, grinding & clenching of the teeth is: -
Answer-Bruxism

Why may orofacial piercings be dangerous? - Answer-- teeth could be cracked & nerve
damage could occur
- infection & uncontrollable bleeding could occur
- the tongue could swell & close off the airway

Known Teratogens involved in congenital malformation include radiation, chemicals,
infections & drugs - Answer-True

The _______ are irregular ridges or folds in the mucous membrane that are located on
the anterior portion of the hard palate just behind the maxillary incisors. - Answer-Rugae

A ______ is a narrow fold of mucous membrane passing from a more fixed to a
movable part. - Answer-Frenum

,The corners of the lips are called the: - Answer-Commissures

The ______ is/are body spicules in cancellous bone that form a meshwork of
intercommunicating spaces that are filled with bone marrow. - Answer-Trabeculae

The filiform papillae, which cover the surface of the tongue, are the receptors of: -
Answer-Touch

The term ______ means toward the cheek: - Answer-Buccal

Ectoderm differentiates into: - Answer-- skin
- lining of the oral cavity

The periodontal ligament is capable of: - Answer-- Remodelling
- Resorption

The innermost area of the tooth is the: - Answer-pulp chamber

Dentin: - Answer-- is capable of regeneration
- is an excellent thermal conductor
- forms the bulk of the tooth

The hardest calcified substance in the body is: - Answer-Enamel

Healthy gingiva attaches to the teeth on the enamel surface just above the cervical line
of the tooth. This is known as the _____ attachment - Answer-Epithelial

The _______ are the enamel-producing cells. - Answer-Ameloblasts

The compact bone that lines the tooth socket is known as the: - Answer-Lamina Dura

The _____ is a pear-shaped structure formed by dense connective tissue & located
directly posterior to the maxillary central incisors. - Answer-Incisive Papilla

A healthy _____, which is the space between the free gingiva and the tooth, rarely
exceeds 2-3 mm in depth. - Answer-Gingival Sulcus

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

, 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

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

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