NBDHE MOCK BOARD EXAM ACTUAL EXAM 2026 |
NATIONAL BOARD DENTAL HYGIENE EXAMINATION
| COMPLETE QUESTIONS AND CORRECT ANSWERS
|ALREADY GRADED A+
Dentinal hypersensitivity can be defined as:
An indication of recession
A sharp, sudden pain when the teeth are exposed to a stimulus
A condition in which the patient experiences anxiety over dental
treatment
A sudden change in temperature on the root surface or dentin
A sharp, sudden pain when the teeth are exposed to a stimulus
Which of the following describes vitamins?
Stored in the liver and fatty tissues
Easily excreted from the body
Insoluble in fats
Provides energy
Stored in the liver and fatty tissues
Which of the following teeth has an oblique ridge?
Maxillary first molar
Mandibular first molar
Mandibular first premolar
Mandibular second premolar
Maxillary first molar
,Which of the following teeth should be considered when determining
the deft of a patient?
Third molars
Primary teeth
Permanent teeth
Teeth extracted because of caries
Primary teeth
Because of the lower case letters, we know we are utilizing deciduous
teeth
What is the primary function of calculus in the etiology of periodontal
disease?
Production of proteolytic enzymes leading to tissue destruction
Production of toxins to irritate the tissues
Acts as a site of origin for bacteria
Acts as a physical irritant to the tissues
Acts as a site of origin for bacteria
Which part of the periodontium has the function to surround and
support the roots of the teeth?
Gingiva
Periodontal ligament
Alveolar bone
Cementum
Alveolar bone
The body's way of changing a drug so that it can be more easily
excreted by the kidneys is known as:
Reduction
,Redistribution
Hydrolysis
Biotransformation
Biotransformation
Which tooth is most often congenitally missing?
Maxillary second premolar
Mandibular first molar
Maxillary first premolar
Mandibular second premolar
Mandibular second premolar
the most commonly congenitally missing teeth are third molars,
mandibular second premolars, maxillary lateral incisors and lastly
mandibular incisors
Hairy tongue is a condition in which the patient has an increased
accumulation of keratin on which papillae?
Filiform
Fungiform
Circumvallate
Foliate
Filiform
Many people discontinue flossing on a daily basis because they notice
gingival bleeding on the first flossing experience. This is an example of
what stage of learning?
Habit
Awareness
Unawareness
, Involvement
Unawareness
The oblique ridge runs from the _______________ to
_______________ surfaces.
Distolingual to mesiobuccal
Mesiolingual to distobuccal
Mesiobuccal to distolingual
Distalocclusal to mesiolingual
Mesiolingual to distobuccal
Which of the following cells synthesizes antibodies?
Plasma cells
Fibroblasts
Macrophages
Mast cells
Plasma cells
Plasma cells differentiate from B cells and form antibodies
Which of the following materials are used to attach models?
Utility wax
Boxing wax
Baseplate wax
C
Sticky wax
Which of the following provides guidelines for transmission and control
of pathogens?
HIPAA
NATIONAL BOARD DENTAL HYGIENE EXAMINATION
| COMPLETE QUESTIONS AND CORRECT ANSWERS
|ALREADY GRADED A+
Dentinal hypersensitivity can be defined as:
An indication of recession
A sharp, sudden pain when the teeth are exposed to a stimulus
A condition in which the patient experiences anxiety over dental
treatment
A sudden change in temperature on the root surface or dentin
A sharp, sudden pain when the teeth are exposed to a stimulus
Which of the following describes vitamins?
Stored in the liver and fatty tissues
Easily excreted from the body
Insoluble in fats
Provides energy
Stored in the liver and fatty tissues
Which of the following teeth has an oblique ridge?
Maxillary first molar
Mandibular first molar
Mandibular first premolar
Mandibular second premolar
Maxillary first molar
,Which of the following teeth should be considered when determining
the deft of a patient?
Third molars
Primary teeth
Permanent teeth
Teeth extracted because of caries
Primary teeth
Because of the lower case letters, we know we are utilizing deciduous
teeth
What is the primary function of calculus in the etiology of periodontal
disease?
Production of proteolytic enzymes leading to tissue destruction
Production of toxins to irritate the tissues
Acts as a site of origin for bacteria
Acts as a physical irritant to the tissues
Acts as a site of origin for bacteria
Which part of the periodontium has the function to surround and
support the roots of the teeth?
Gingiva
Periodontal ligament
Alveolar bone
Cementum
Alveolar bone
The body's way of changing a drug so that it can be more easily
excreted by the kidneys is known as:
Reduction
,Redistribution
Hydrolysis
Biotransformation
Biotransformation
Which tooth is most often congenitally missing?
Maxillary second premolar
Mandibular first molar
Maxillary first premolar
Mandibular second premolar
Mandibular second premolar
the most commonly congenitally missing teeth are third molars,
mandibular second premolars, maxillary lateral incisors and lastly
mandibular incisors
Hairy tongue is a condition in which the patient has an increased
accumulation of keratin on which papillae?
Filiform
Fungiform
Circumvallate
Foliate
Filiform
Many people discontinue flossing on a daily basis because they notice
gingival bleeding on the first flossing experience. This is an example of
what stage of learning?
Habit
Awareness
Unawareness
, Involvement
Unawareness
The oblique ridge runs from the _______________ to
_______________ surfaces.
Distolingual to mesiobuccal
Mesiolingual to distobuccal
Mesiobuccal to distolingual
Distalocclusal to mesiolingual
Mesiolingual to distobuccal
Which of the following cells synthesizes antibodies?
Plasma cells
Fibroblasts
Macrophages
Mast cells
Plasma cells
Plasma cells differentiate from B cells and form antibodies
Which of the following materials are used to attach models?
Utility wax
Boxing wax
Baseplate wax
C
Sticky wax
Which of the following provides guidelines for transmission and control
of pathogens?
HIPAA
