Dental Hygiene National Board Test Questions And
Accurate Answers (A+)
What is a physiologic loss of tooth structure from tooth to tooth contact? - ANSWER
attrition
What is a pathologic form of attrition? - ANSWER Bruxism
What is a habitual grinding of the teeth? - ANSWER Bruxism
What is a pathologic loss of tooth structure due to a chemical process? - ANSWER
Erosion
What is erosion from gastric secretions? - ANSWER perimolysis
What can cause erosion? - ANSWER chronic vomiting, bulimia, acidic foods, ect
What is a pathologic loss of tooth structure from a mechanical process? - ANSWER
Abrasion
What is a pathologic loss of tooth structure from tooth flexure during mastication? -
ANSWER Abfraction
What is an abnormal bend or curve in a tooth root? - ANSWER dilaceration
What is a single enlarged tooth in which the tooth count is normal ake: twinning? -
ANSWER Gemination
,What is an enlarged tooth in which the tooth count reveals a missing tooth; a tooth
attached to another tooth (2 teeth)? - ANSWER Fusion
What is the difference between gemination and fusion? - ANSWER gemination has a
normal count of teeth in the oral cavity while during fusion the count will reveal a
missing tooth
What is the union of teeth by cementum? - ANSWER concrescence
What is another term used to refer to dens invaginatus? -ANSWER dens in dente
What is a deep surface invagination of the crown or root that is lined by enamel?
-ANSWER Dens invaginatus
What tooth has the most prevalent expression of dens invaginatus? -ANSWER maxillary
lateral incisor also common to have a lingual pit
What is Taurodontism also referred to as? -ANSWER Bull's teeth
An elongated pulp chamber with furcations near the apex, and an elongated crown?
ANSWER Taurodontism
What is the most common disorder found with taurodontism? ANSWER Down Syndrome
Another term for enamel pearl? ANSWER Ectopic enamel
What is enamel that has formed on the root surface? ANSWER enamel pearl
, What is an enamel pearl's appearance on a radiograph? ANSWER rounded, radiopaque
What is a microdont and a macrodont? - ANSWER micro- abnormally small teeth macro=
abnormally large teeth (rare)
What is anadontia - ANSWER no teeth
What is hypodontia? - ANSWER fewer than normal teeth
What is oligodontia? - ANSWER missing 6 teeth or more
What is partial anadontia? - ANSWER fewer than normal teeth
What syndrome may complete anodontia be seen? - ANSWER ectodermal dysplasia
What is commonly seen in patients due to high frenum attachment with muscle pull? -
ANS diastema
A term used for extra number of teeth - ANS hyperdontia
what is an 'extra' tooth also known as? - ANS supernumerary
What is the most common supernumerary tooth? - ANS mesiodens-occurring in between
maxillary and central incisors
The dorsal surface of the tongue is NOT a likely location for intraoral cancer True or
False? - ANSWER True
Another name for Geographic tongue is? - ANSWER Benign migratory glossitis
Accurate Answers (A+)
What is a physiologic loss of tooth structure from tooth to tooth contact? - ANSWER
attrition
What is a pathologic form of attrition? - ANSWER Bruxism
What is a habitual grinding of the teeth? - ANSWER Bruxism
What is a pathologic loss of tooth structure due to a chemical process? - ANSWER
Erosion
What is erosion from gastric secretions? - ANSWER perimolysis
What can cause erosion? - ANSWER chronic vomiting, bulimia, acidic foods, ect
What is a pathologic loss of tooth structure from a mechanical process? - ANSWER
Abrasion
What is a pathologic loss of tooth structure from tooth flexure during mastication? -
ANSWER Abfraction
What is an abnormal bend or curve in a tooth root? - ANSWER dilaceration
What is a single enlarged tooth in which the tooth count is normal ake: twinning? -
ANSWER Gemination
,What is an enlarged tooth in which the tooth count reveals a missing tooth; a tooth
attached to another tooth (2 teeth)? - ANSWER Fusion
What is the difference between gemination and fusion? - ANSWER gemination has a
normal count of teeth in the oral cavity while during fusion the count will reveal a
missing tooth
What is the union of teeth by cementum? - ANSWER concrescence
What is another term used to refer to dens invaginatus? -ANSWER dens in dente
What is a deep surface invagination of the crown or root that is lined by enamel?
-ANSWER Dens invaginatus
What tooth has the most prevalent expression of dens invaginatus? -ANSWER maxillary
lateral incisor also common to have a lingual pit
What is Taurodontism also referred to as? -ANSWER Bull's teeth
An elongated pulp chamber with furcations near the apex, and an elongated crown?
ANSWER Taurodontism
What is the most common disorder found with taurodontism? ANSWER Down Syndrome
Another term for enamel pearl? ANSWER Ectopic enamel
What is enamel that has formed on the root surface? ANSWER enamel pearl
, What is an enamel pearl's appearance on a radiograph? ANSWER rounded, radiopaque
What is a microdont and a macrodont? - ANSWER micro- abnormally small teeth macro=
abnormally large teeth (rare)
What is anadontia - ANSWER no teeth
What is hypodontia? - ANSWER fewer than normal teeth
What is oligodontia? - ANSWER missing 6 teeth or more
What is partial anadontia? - ANSWER fewer than normal teeth
What syndrome may complete anodontia be seen? - ANSWER ectodermal dysplasia
What is commonly seen in patients due to high frenum attachment with muscle pull? -
ANS diastema
A term used for extra number of teeth - ANS hyperdontia
what is an 'extra' tooth also known as? - ANS supernumerary
What is the most common supernumerary tooth? - ANS mesiodens-occurring in between
maxillary and central incisors
The dorsal surface of the tongue is NOT a likely location for intraoral cancer True or
False? - ANSWER True
Another name for Geographic tongue is? - ANSWER Benign migratory glossitis
