HESI DENTAL HYGIENE EXIT EXAM 2026-2027
QUESTIONS AND ANSWERS GRADED A+
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found?
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?
Ankyloglossia
When is tooth eruption complete?
Tooth has made contact with its antagonists in opposing jaw
When does mixed dentition begin?
Eruption of first permanent tooth
How many succedaneous teeth are in permanent dentition?
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.
The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries?
reduced permeability
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar?
Distolingual
Which is true regarding the height of contour?
Greatest elevation of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically present in an eight yr old
child?
14 primary; 10 permanent
Which describes the junction of two surfaces of a crown?
line angle
,Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle?
IV
Which ridge is a unique characteristic of permanent maxillary molars?
Oblique
Which division of the fifth cranial nerve innervates the temporomandibular joint?
Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve?
VII
Which is the target area for the inferior alveolar nerve block?
mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated?
Sublingual
, Which type of joint is the temporomandibular?
Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion?
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?
First statement is true second statement is false
Which bacterium is most important in causing the progression of carious lesions?
Aciduric
Anaerobe bacteria
grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis?
QUESTIONS AND ANSWERS GRADED A+
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found?
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?
Ankyloglossia
When is tooth eruption complete?
Tooth has made contact with its antagonists in opposing jaw
When does mixed dentition begin?
Eruption of first permanent tooth
How many succedaneous teeth are in permanent dentition?
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.
The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries?
reduced permeability
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar?
Distolingual
Which is true regarding the height of contour?
Greatest elevation of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically present in an eight yr old
child?
14 primary; 10 permanent
Which describes the junction of two surfaces of a crown?
line angle
,Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle?
IV
Which ridge is a unique characteristic of permanent maxillary molars?
Oblique
Which division of the fifth cranial nerve innervates the temporomandibular joint?
Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve?
VII
Which is the target area for the inferior alveolar nerve block?
mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated?
Sublingual
, Which type of joint is the temporomandibular?
Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion?
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?
First statement is true second statement is false
Which bacterium is most important in causing the progression of carious lesions?
Aciduric
Anaerobe bacteria
grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis?
