HESI DENTAL HYGIENE EXIT EXAMINATION 2026
EXAMINATION ACTUAL EXAM COMPLETE QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE
Under which classification of gingival diseases and conditions is
puberty-associated gingivitis found? ......ANSWER......Plaque-Induced
Gingival diseases modified by systemic factors
A patient presents with a short, thick lingual frenum that results in
limited tongue movement affecting speech. Which is the most likely
diagnosis of this condition? ......ANSWER......Ankyloglossia
When is tooth eruption complete? ......ANSWER......Tooth has made
contact with its antagonists in opposing jaw
When does mixed dentition begin? ......ANSWER......Eruption of first
permanent tooth
How many succedaneous teeth are in permanent dentition?
......ANSWER......20
The junction of a buccal and lingual triangular ridge is a transverse
ridge. The oblique ridge of a maxillary molar is an example of a
transverse ridge. ......ANSWER......The first statement is true and the
second is false
pg. 1
,Which factor makes aging enamel less susceptible to caries?
......ANSWER......reduced permeability
Which groove is the most identifying characteristic of a three-cusp
mandibular second premolar? ......ANSWER......Distolingual
Which is true regarding the height of contour? ......ANSWER......Greatest
elevation of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically present in an
eight yr old child? ......ANSWER......14 primary; 10 permanent
Which describes the junction of two surfaces of a crown?
......ANSWER......line angle
Which G.V. Black classification involves the proximal surfaces of anterior
teeth including the incised edge or angle? ......ANSWER......IV
Which ridge is a unique characteristic of permanent maxillary molars?
......ANSWER......Oblique
Which division of the fifth cranial nerve innervates the
temporomandibular joint? ......ANSWER......Mandibular
pg. 2
,Facial paralysis can result from damage to the motor neurons of which
cranial nerve? ......ANSWER......VII
Which is the target area for the inferior alveolar nerve block?
......ANSWER......mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? ......ANSWER......Sublingual
Which type of joint is the temporomandibular?
......ANSWER......Synovial
Which peripheral nervous system and subdivision are responsible for a
shutdown of salivary gland secretion? ......ANSWER......autonomic;
sympathetic
Destroyed enamel cannot reform since the cells that formed it no
longer exist. Cavitated enamel can repair itself by the incorporation of
calcium and phosphate ions from saliva? ......ANSWER......First
statement is true second statement is false
Which bacterium is most important in causing the progression of
carious lesions? ......ANSWER......Aciduric
Anaerobe bacteria ......ANSWER......grow only in the absence of oxygen
pg. 3
, Which bacterial structure interferes with phagocytosis?
......ANSWER......capsule
Which bacteria grow best in refrigerated conditions?
......ANSWER......Psychrophils
Endotoxin is a virulence property of ......ANSWER......gram-negative
bacteria
When comparing viruses to bacteria, viruses ......ANSWER......enter host
cells before they can multiply
Which is treated with nystatin? ......ANSWER......Candidiasis
Which is detected in the blood within two months after successful
immunization with the hepatitis B vaccine? ......ANSWER......Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex
in examination gloves? ......ANSWER......I
Which bacterial genus contains species that cause pneumatic fever,
scarlet fever, and pharyngitis? ......ANSWER......Streptococcus
pg. 4
EXAMINATION ACTUAL EXAM COMPLETE QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE
Under which classification of gingival diseases and conditions is
puberty-associated gingivitis found? ......ANSWER......Plaque-Induced
Gingival diseases modified by systemic factors
A patient presents with a short, thick lingual frenum that results in
limited tongue movement affecting speech. Which is the most likely
diagnosis of this condition? ......ANSWER......Ankyloglossia
When is tooth eruption complete? ......ANSWER......Tooth has made
contact with its antagonists in opposing jaw
When does mixed dentition begin? ......ANSWER......Eruption of first
permanent tooth
How many succedaneous teeth are in permanent dentition?
......ANSWER......20
The junction of a buccal and lingual triangular ridge is a transverse
ridge. The oblique ridge of a maxillary molar is an example of a
transverse ridge. ......ANSWER......The first statement is true and the
second is false
pg. 1
,Which factor makes aging enamel less susceptible to caries?
......ANSWER......reduced permeability
Which groove is the most identifying characteristic of a three-cusp
mandibular second premolar? ......ANSWER......Distolingual
Which is true regarding the height of contour? ......ANSWER......Greatest
elevation of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically present in an
eight yr old child? ......ANSWER......14 primary; 10 permanent
Which describes the junction of two surfaces of a crown?
......ANSWER......line angle
Which G.V. Black classification involves the proximal surfaces of anterior
teeth including the incised edge or angle? ......ANSWER......IV
Which ridge is a unique characteristic of permanent maxillary molars?
......ANSWER......Oblique
Which division of the fifth cranial nerve innervates the
temporomandibular joint? ......ANSWER......Mandibular
pg. 2
,Facial paralysis can result from damage to the motor neurons of which
cranial nerve? ......ANSWER......VII
Which is the target area for the inferior alveolar nerve block?
......ANSWER......mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? ......ANSWER......Sublingual
Which type of joint is the temporomandibular?
......ANSWER......Synovial
Which peripheral nervous system and subdivision are responsible for a
shutdown of salivary gland secretion? ......ANSWER......autonomic;
sympathetic
Destroyed enamel cannot reform since the cells that formed it no
longer exist. Cavitated enamel can repair itself by the incorporation of
calcium and phosphate ions from saliva? ......ANSWER......First
statement is true second statement is false
Which bacterium is most important in causing the progression of
carious lesions? ......ANSWER......Aciduric
Anaerobe bacteria ......ANSWER......grow only in the absence of oxygen
pg. 3
, Which bacterial structure interferes with phagocytosis?
......ANSWER......capsule
Which bacteria grow best in refrigerated conditions?
......ANSWER......Psychrophils
Endotoxin is a virulence property of ......ANSWER......gram-negative
bacteria
When comparing viruses to bacteria, viruses ......ANSWER......enter host
cells before they can multiply
Which is treated with nystatin? ......ANSWER......Candidiasis
Which is detected in the blood within two months after successful
immunization with the hepatitis B vaccine? ......ANSWER......Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex
in examination gloves? ......ANSWER......I
Which bacterial genus contains species that cause pneumatic fever,
scarlet fever, and pharyngitis? ......ANSWER......Streptococcus
pg. 4
