HESI Dental Hygiene Exam 2025
UPDATED EXAM WITH ACTUAL
QUESTIONS AND CORRECT
ANSWERS.GRADED A+
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
,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
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
Which bacterial structure interferes with phagocytosis?
- answer -capsule
Which bacteria grow best in refrigerated conditions?
- answer -Psychrophils
UPDATED EXAM WITH ACTUAL
QUESTIONS AND CORRECT
ANSWERS.GRADED A+
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
,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
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
Which bacterial structure interferes with phagocytosis?
- answer -capsule
Which bacteria grow best in refrigerated conditions?
- answer -Psychrophils
