HESI Dental Hygiene Exam
2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,Under which classification of gingival diseases and Plaque-Induced Gingival diseases modified by systemic factors
conditions is puberty-associated gingivitis found?
A patient presents with a short, thick lingual frenum that Ankyloglossia
results in limited tongue movement affecting speech.
Which is the most likely diagnosis of this condition?
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 20
dentition?
The junction of a buccal and lingual triangular ridge is a The first statement is true and the second is false
transverse ridge. The oblique ridge of a maxillary molar is
an example of a transverse ridge.
Which factor makes aging enamel less susceptible to reduced permeability
caries?
Which groove is the most identifying characteristic of a Distolingual
three-cusp mandibular second premolar?
Which is true regarding the height of contour? Greatest elevation of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically 14 primary; 10 permanent
present in an eight yr old child?
Which describes the junction of two surfaces of a crown? line angle
Which G.V. Black classification involves the proximal IV
surfaces of anterior teeth including the incised edge or
angle?
,Which ridge is a unique characteristic of permanent Oblique
maxillary molars?
Which division of the fifth cranial nerve innervates the Mandibular
temporomandibular joint?
Facial paralysis can result from damage to the motor VII
neurons of which cranial nerve?
Which is the target area for the inferior alveolar nerve mandibular foramen on medial surface of mandible
block?
Which salivary gland is encapsulated? Sublingual
Which type of joint is the temporomandibular? Synovial
Which peripheral nervous system and subdivision are autonomic; sympathetic
responsible for a shutdown of salivary gland secretion?
Destroyed enamel cannot reform since the cells that First statement is true second statement is false
formed it no longer exist. Cavitated enamel can repair itself
by the incorporation of calcium and phosphate ions from
saliva?
Which bacterium is most important in causing the Aciduric
progression of carious lesions?
Anaerobe bacteria grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? capsule
Which bacteria grow best in refrigerated conditions? Psychrophils
, Endotoxin is a virulence property of gram-negative bacteria
When comparing viruses to bacteria, viruses enter host cells before they can multiply
Which is treated with nystatin? Candidiasis
Which is detected in the blood within two months after Anti-HBs
successful immunization with the hepatitis B vaccine?
Which hypersensitivity reaction is an allergy to the natural I
rubber latex in examination gloves?
Which bacterial genus contains species that cause Streptococcus
pneumatic fever, scarlet fever, and pharyngitis?
Each of the following is an antituberculin agent EXCEPT C. Nizoral
one. Which is the EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin
Which condition warrants antibiotic premedication? Repaired congenital heart disease
It is noted the medical history the patient has mitral valve Renal dialysis shunt
prolapse, a stent, pneumatic heart disease, and a renal
dialysis shunt. For which condition does the patient require
antibiotic predication?
A patient's prescription has the abbreviation "qid" take medication four times a day
meaning?
Which schedule of controlled substance is indicated when schedule II controlled substance
a prescription states "NO REFILLS"
Which vitamin deficiency results from long-term Cobalamin (vitamin B-12)
recreational abuse of nitrous oxide?
2026 | Study Guide,
Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,Under which classification of gingival diseases and Plaque-Induced Gingival diseases modified by systemic factors
conditions is puberty-associated gingivitis found?
A patient presents with a short, thick lingual frenum that Ankyloglossia
results in limited tongue movement affecting speech.
Which is the most likely diagnosis of this condition?
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 20
dentition?
The junction of a buccal and lingual triangular ridge is a The first statement is true and the second is false
transverse ridge. The oblique ridge of a maxillary molar is
an example of a transverse ridge.
Which factor makes aging enamel less susceptible to reduced permeability
caries?
Which groove is the most identifying characteristic of a Distolingual
three-cusp mandibular second premolar?
Which is true regarding the height of contour? Greatest elevation of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically 14 primary; 10 permanent
present in an eight yr old child?
Which describes the junction of two surfaces of a crown? line angle
Which G.V. Black classification involves the proximal IV
surfaces of anterior teeth including the incised edge or
angle?
,Which ridge is a unique characteristic of permanent Oblique
maxillary molars?
Which division of the fifth cranial nerve innervates the Mandibular
temporomandibular joint?
Facial paralysis can result from damage to the motor VII
neurons of which cranial nerve?
Which is the target area for the inferior alveolar nerve mandibular foramen on medial surface of mandible
block?
Which salivary gland is encapsulated? Sublingual
Which type of joint is the temporomandibular? Synovial
Which peripheral nervous system and subdivision are autonomic; sympathetic
responsible for a shutdown of salivary gland secretion?
Destroyed enamel cannot reform since the cells that First statement is true second statement is false
formed it no longer exist. Cavitated enamel can repair itself
by the incorporation of calcium and phosphate ions from
saliva?
Which bacterium is most important in causing the Aciduric
progression of carious lesions?
Anaerobe bacteria grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? capsule
Which bacteria grow best in refrigerated conditions? Psychrophils
, Endotoxin is a virulence property of gram-negative bacteria
When comparing viruses to bacteria, viruses enter host cells before they can multiply
Which is treated with nystatin? Candidiasis
Which is detected in the blood within two months after Anti-HBs
successful immunization with the hepatitis B vaccine?
Which hypersensitivity reaction is an allergy to the natural I
rubber latex in examination gloves?
Which bacterial genus contains species that cause Streptococcus
pneumatic fever, scarlet fever, and pharyngitis?
Each of the following is an antituberculin agent EXCEPT C. Nizoral
one. Which is the EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin
Which condition warrants antibiotic premedication? Repaired congenital heart disease
It is noted the medical history the patient has mitral valve Renal dialysis shunt
prolapse, a stent, pneumatic heart disease, and a renal
dialysis shunt. For which condition does the patient require
antibiotic predication?
A patient's prescription has the abbreviation "qid" take medication four times a day
meaning?
Which schedule of controlled substance is indicated when schedule II controlled substance
a prescription states "NO REFILLS"
Which vitamin deficiency results from long-term Cobalamin (vitamin B-12)
recreational abuse of nitrous oxide?
