NBDHE dental Anatomy UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Anatomical crown - CORRECT ANSWER - the whole crown from the CEJ to the cusp
tips. no matter if it is fully erupted or not.
Clinical crown - CORRECT ANSWER - is the portion of the crown that erupted and seen
intraorally
abrasion - CORRECT ANSWER - tooth wear from an object. ex biting penic. lip ring.
attrition - CORRECT ANSWER - tooth to tooth wear
erosion - CORRECT ANSWER - chemical wear.
line angle s - CORRECT ANSWER - stands for two surfaces on a tooth surface such as
mesionbuccal
point angle - CORRECT ANSWER - is the convergence of three tooth surfaces such as
mesiobuccal-occlusal
Enamel - CORRECT ANSWER - the hardest tissue in the body
denting - CORRECT ANSWER - bulk of tooth structure
cementum - CORRECT ANSWER - covers root portion of the tooth.
, pup; - CORRECT ANSWER - the innermost tooth stucture.
made up of fibroblast and mesenchymal cells that differentiate into blood vessels and nerve
tissue.
pulp - CORRECT ANSWER - contains the odontoblastic layer where dentin continues to
grow throughout life.
pulp stone - CORRECT ANSWER - other name for denticle
true pulp stones - CORRECT ANSWER - form in the root during formation and show
traces of odontlast.
false pulp stones - CORRECT ANSWER - do not show true denticle structure
pulp - CORRECT ANSWER - what provides nutrients to the odontoblast so that they can
form dentin, supply sensory function, and supply protective function that allows for stimuli to
generate secondary dentin.
dentin - CORRECT ANSWER - derived from the mesenchyme.
consist of calcium hydroxyapaptite cystals
is 70% organic, 18% inorganic, 12% water.
odontblast - CORRECT ANSWER - form dentin
mantle dentin - CORRECT ANSWER - first layer of dentin closest to the DEJ
Enamel - CORRECT ANSWER - 95% inorganic, 1% organic, 4% water.
has a higher percentage of calcium hydroxyapaptite crystals then dentin.
ACTUAL Exam Questions and CORRECT
Answers
Anatomical crown - CORRECT ANSWER - the whole crown from the CEJ to the cusp
tips. no matter if it is fully erupted or not.
Clinical crown - CORRECT ANSWER - is the portion of the crown that erupted and seen
intraorally
abrasion - CORRECT ANSWER - tooth wear from an object. ex biting penic. lip ring.
attrition - CORRECT ANSWER - tooth to tooth wear
erosion - CORRECT ANSWER - chemical wear.
line angle s - CORRECT ANSWER - stands for two surfaces on a tooth surface such as
mesionbuccal
point angle - CORRECT ANSWER - is the convergence of three tooth surfaces such as
mesiobuccal-occlusal
Enamel - CORRECT ANSWER - the hardest tissue in the body
denting - CORRECT ANSWER - bulk of tooth structure
cementum - CORRECT ANSWER - covers root portion of the tooth.
, pup; - CORRECT ANSWER - the innermost tooth stucture.
made up of fibroblast and mesenchymal cells that differentiate into blood vessels and nerve
tissue.
pulp - CORRECT ANSWER - contains the odontoblastic layer where dentin continues to
grow throughout life.
pulp stone - CORRECT ANSWER - other name for denticle
true pulp stones - CORRECT ANSWER - form in the root during formation and show
traces of odontlast.
false pulp stones - CORRECT ANSWER - do not show true denticle structure
pulp - CORRECT ANSWER - what provides nutrients to the odontoblast so that they can
form dentin, supply sensory function, and supply protective function that allows for stimuli to
generate secondary dentin.
dentin - CORRECT ANSWER - derived from the mesenchyme.
consist of calcium hydroxyapaptite cystals
is 70% organic, 18% inorganic, 12% water.
odontblast - CORRECT ANSWER - form dentin
mantle dentin - CORRECT ANSWER - first layer of dentin closest to the DEJ
Enamel - CORRECT ANSWER - 95% inorganic, 1% organic, 4% water.
has a higher percentage of calcium hydroxyapaptite crystals then dentin.
