DHH EXAM Questions With 100% Correct Answers
Five Dimensional Health Model - answers-Physical, intellectual, emotional, social,
spiritual
Only once - answers-How often does your patient need to sign a HIPAA form?
Autonomy - answers-The right to informed consent is considered under which ethical
principle?
Defamation - answers-_______ is a communication that injures and individuals
reputation which may be libel or slander.
Criminal law - answers-Prevents harm against society
Civil law - answers-Violation of rights or breach of legal duty. (Contractual or Tort)
Tort - answers-Civil breach committed against another
Unintentional Tort - answers-An accident that leads to injury (NEGLIGENCE only)
Intentional Tort - answers-Intent to cause harm on another
(Assault and Battery, Misrepresentation, Defamation, Breach of Confidentiality)
Enamel organ - answers-Molds the shape of a tooth, gives rise to enamel
Dental papilla - answers-Forms dental pulp and dentin
Dental sac - answers-Forms cementum and periodontal ligament
Glossopharyngeal nerve (CN9) - answers-Posterior 1/2 of the tongue, taste and
sensation
Cranial Nerve 5 & 7 - answers-Anterior 2/3 of the tongue, Sensation (CN5), Taste (CN7)
Primary palate - answers-Formed from nasal process and hosts the 4 maxillary incisors,
anterior 1/3 of the hard palate
Secondary palate - answers-Formed formed from the 2 palatal shelves and hosts the
maxillary canines and posterior teeth, posterior 2/3 of the hard palate
Digital palpating - answers-Single finger (floor of the mouth)
,bidigital palpation - answers-2+ fingers and thumb (lips, tongue, cheeks)
Bimanual - answers-Single finger from one hand and the fingers and thumb of the other
hand
Manual - answers-All fingers of one hand (cervical lymph nodes)
Bilateral - answers-Both hands (TMJ)
Auscultation - answers-Listening to detect sounds (crepitus)
Olfaction - answers-Smell to detect abnormal odors
Diabetic acidosis - answers-Fruity odor on breath
Submental node - answers-Under the chin. The lower lip, lower anterior gingiva, corners
of the mouth, and skin and tissue of the chin drain to the submental node
Sternocleidoidmastoid muscle/anterior superficial and deep nodes - answers-Nodes are
often palpable in HIV+ and infectious mononucleosis patients
Patient interview - answers-The primary step when assessing your patient is:
Enamel - answers-Formed by the enamel organ and makes up the protective outer
surface of the crown of the tooth 96% mineralized
Dentin - answers-Formed by the dental papilla and makes up the majority of the inner
surface of the tooth. It cannot normally be seen except on x-rays. 70% mineralized
Pulp - answers-Formed from the dental papilla and this holds the nerves and blood
vessels of the tooth. Composed of fibroblasts, blood vessels, lymphatic channels,
nerves, and connective tissue
Cementum - answers-Formed by the dental sac and makes up the outer surface of the
root of the tooth. Softer than enamel. 50% mineralized
Line angle - answers-Junction of 2 surface on a crown
Point angle - answers-Junction of 3 surfaces on a crown
Marginal ridges - answers-Located on medial and distal borders on the lingual surfaces
of a crown
Triangular ridges - answers-From cusp tip to central groove, creates half of the oblique
or transverse ridge
,Transverse ridges - answers-Union of 2 triangular ridges on a posterior tooth that meet
on the buccolingual line
Oblique ridge - answers-Located on occlusal surface of MAXILLARY FIRST MOLARS
formed by 2 triangular ridges, extends from mesiolingual cusp to the distobuccal cusp
1 cusp - answers-How many cusps do canines have
2 cusps, Mandubular 2nd premolar possibly 3 - answers-How many cusps do premolars
have
4 cusps (2 buccal, 2 lingual) Maxillary 1st molar possible 5 cusps (Cusp of Carabelli) -
answers-How many cusps do maxillary molars have
Maxillary central incisors - answers-Most prominent CEJ
Maxillary central incisors - answers-Lingual surface is smaller than the facial surface
Cingulum - answers-Round elevation on the lingual surface at the cervical third of
anterior teeth, most prominent on maxillary canines
Maxillary canine - answers-Longest root
Maxillary 1st premolar - answers-Most pronounced mesial root concavity
Cusp of carabelli - answers-5th cusp that may form on the maxillary 1st molar
Oblique ridge - answers-Only found on the maxillary 1st molar
Enamel pearls - answers-most frequently seen on maxillary molars in the furcation
areas
Mandibular central incisors - answers-Smallest/most symmetrical teeth
Mandibular 1st premolar - answers-non functional lingual cusp
Mandibular 2nd molar - answers-Has a y-shaped groove
Mandibular 1st molar - answers-Wider mesiodistally than buccolingually
3-4 months in utero - answers-When does tooth formation begin
White chalky lesion - answers-What is the first clinical sign of caries
4.5-5.5 - answers-critical pH for enamel demineralization
, 6-6.7 - answers-critical pH for root surface demineralization
S. mutans and Lactobacillus (gram +) - answers-Bacteria involved in caries
developement
Class I furcation - answers-Exposure of furcation, no bone loss
Class II furcation - answers-Detectable with explorer but cannot pass through, some
bone loss
Class III furcation - answers-Through and through involvement, explorer can pass
through but is not visible on the opposite side
Class IV furcation - answers-through and through involvement, explorer can pass
through completely through and visible on the opposite side due to RECESSION
Class I mobility - answers-Slight horizontal mobility, less than 1mm
Class II mobility - answers-Moderate horizontal mobility, 1-2 mm
Class III mobility - answers-Severe horizontal AND vertical mobility, greater than 2 mm
Fremitus - answers-Visible movement of a tooth when in function, can be assessed by
placing a gloved index finger on the facial aspect of the tooth as the patients taps the
teeth together
Horizontal mobility - answers-Use 2 instrument handles to apply presssure in a facial-
lingual direction
Vertical mobility - answers-Assessed by depressing the tooth into the socket
Hypodontia - answers-Having LESS than 6 congenitally missing teeth
Oligodontia - answers-having 6 or MORE congenitally missing teeth
Anodontia - answers-Lacking ALL primary or permanent teeth
Gemination - answers-1 tooth divides, produces 2 crowns and 1 root (normal count of
teeth)
Fusion - answers-2 teeth join together, 1 large crown and the roots can be separated or
fused (teeth count 1 less than normal)
Concrescence - answers-2 teeth joined only by cementum
Dilaceration - answers-Prominent curve/angle in the root
Five Dimensional Health Model - answers-Physical, intellectual, emotional, social,
spiritual
Only once - answers-How often does your patient need to sign a HIPAA form?
Autonomy - answers-The right to informed consent is considered under which ethical
principle?
Defamation - answers-_______ is a communication that injures and individuals
reputation which may be libel or slander.
Criminal law - answers-Prevents harm against society
Civil law - answers-Violation of rights or breach of legal duty. (Contractual or Tort)
Tort - answers-Civil breach committed against another
Unintentional Tort - answers-An accident that leads to injury (NEGLIGENCE only)
Intentional Tort - answers-Intent to cause harm on another
(Assault and Battery, Misrepresentation, Defamation, Breach of Confidentiality)
Enamel organ - answers-Molds the shape of a tooth, gives rise to enamel
Dental papilla - answers-Forms dental pulp and dentin
Dental sac - answers-Forms cementum and periodontal ligament
Glossopharyngeal nerve (CN9) - answers-Posterior 1/2 of the tongue, taste and
sensation
Cranial Nerve 5 & 7 - answers-Anterior 2/3 of the tongue, Sensation (CN5), Taste (CN7)
Primary palate - answers-Formed from nasal process and hosts the 4 maxillary incisors,
anterior 1/3 of the hard palate
Secondary palate - answers-Formed formed from the 2 palatal shelves and hosts the
maxillary canines and posterior teeth, posterior 2/3 of the hard palate
Digital palpating - answers-Single finger (floor of the mouth)
,bidigital palpation - answers-2+ fingers and thumb (lips, tongue, cheeks)
Bimanual - answers-Single finger from one hand and the fingers and thumb of the other
hand
Manual - answers-All fingers of one hand (cervical lymph nodes)
Bilateral - answers-Both hands (TMJ)
Auscultation - answers-Listening to detect sounds (crepitus)
Olfaction - answers-Smell to detect abnormal odors
Diabetic acidosis - answers-Fruity odor on breath
Submental node - answers-Under the chin. The lower lip, lower anterior gingiva, corners
of the mouth, and skin and tissue of the chin drain to the submental node
Sternocleidoidmastoid muscle/anterior superficial and deep nodes - answers-Nodes are
often palpable in HIV+ and infectious mononucleosis patients
Patient interview - answers-The primary step when assessing your patient is:
Enamel - answers-Formed by the enamel organ and makes up the protective outer
surface of the crown of the tooth 96% mineralized
Dentin - answers-Formed by the dental papilla and makes up the majority of the inner
surface of the tooth. It cannot normally be seen except on x-rays. 70% mineralized
Pulp - answers-Formed from the dental papilla and this holds the nerves and blood
vessels of the tooth. Composed of fibroblasts, blood vessels, lymphatic channels,
nerves, and connective tissue
Cementum - answers-Formed by the dental sac and makes up the outer surface of the
root of the tooth. Softer than enamel. 50% mineralized
Line angle - answers-Junction of 2 surface on a crown
Point angle - answers-Junction of 3 surfaces on a crown
Marginal ridges - answers-Located on medial and distal borders on the lingual surfaces
of a crown
Triangular ridges - answers-From cusp tip to central groove, creates half of the oblique
or transverse ridge
,Transverse ridges - answers-Union of 2 triangular ridges on a posterior tooth that meet
on the buccolingual line
Oblique ridge - answers-Located on occlusal surface of MAXILLARY FIRST MOLARS
formed by 2 triangular ridges, extends from mesiolingual cusp to the distobuccal cusp
1 cusp - answers-How many cusps do canines have
2 cusps, Mandubular 2nd premolar possibly 3 - answers-How many cusps do premolars
have
4 cusps (2 buccal, 2 lingual) Maxillary 1st molar possible 5 cusps (Cusp of Carabelli) -
answers-How many cusps do maxillary molars have
Maxillary central incisors - answers-Most prominent CEJ
Maxillary central incisors - answers-Lingual surface is smaller than the facial surface
Cingulum - answers-Round elevation on the lingual surface at the cervical third of
anterior teeth, most prominent on maxillary canines
Maxillary canine - answers-Longest root
Maxillary 1st premolar - answers-Most pronounced mesial root concavity
Cusp of carabelli - answers-5th cusp that may form on the maxillary 1st molar
Oblique ridge - answers-Only found on the maxillary 1st molar
Enamel pearls - answers-most frequently seen on maxillary molars in the furcation
areas
Mandibular central incisors - answers-Smallest/most symmetrical teeth
Mandibular 1st premolar - answers-non functional lingual cusp
Mandibular 2nd molar - answers-Has a y-shaped groove
Mandibular 1st molar - answers-Wider mesiodistally than buccolingually
3-4 months in utero - answers-When does tooth formation begin
White chalky lesion - answers-What is the first clinical sign of caries
4.5-5.5 - answers-critical pH for enamel demineralization
, 6-6.7 - answers-critical pH for root surface demineralization
S. mutans and Lactobacillus (gram +) - answers-Bacteria involved in caries
developement
Class I furcation - answers-Exposure of furcation, no bone loss
Class II furcation - answers-Detectable with explorer but cannot pass through, some
bone loss
Class III furcation - answers-Through and through involvement, explorer can pass
through but is not visible on the opposite side
Class IV furcation - answers-through and through involvement, explorer can pass
through completely through and visible on the opposite side due to RECESSION
Class I mobility - answers-Slight horizontal mobility, less than 1mm
Class II mobility - answers-Moderate horizontal mobility, 1-2 mm
Class III mobility - answers-Severe horizontal AND vertical mobility, greater than 2 mm
Fremitus - answers-Visible movement of a tooth when in function, can be assessed by
placing a gloved index finger on the facial aspect of the tooth as the patients taps the
teeth together
Horizontal mobility - answers-Use 2 instrument handles to apply presssure in a facial-
lingual direction
Vertical mobility - answers-Assessed by depressing the tooth into the socket
Hypodontia - answers-Having LESS than 6 congenitally missing teeth
Oligodontia - answers-having 6 or MORE congenitally missing teeth
Anodontia - answers-Lacking ALL primary or permanent teeth
Gemination - answers-1 tooth divides, produces 2 crowns and 1 root (normal count of
teeth)
Fusion - answers-2 teeth join together, 1 large crown and the roots can be separated or
fused (teeth count 1 less than normal)
Concrescence - answers-2 teeth joined only by cementum
Dilaceration - answers-Prominent curve/angle in the root
