GCSC Dental Anatomy Exam 8 updated
actual questions and CORRECT answers
The general makeup of the periodontium is the... - CORRECT ANSWER -Cementum
-Periodontal ligament
-Alveolar bone
The part of the periodontium that attaches the teeth to the alveolar bone by anchoring the
PDL is the... - CORRECT ANSWER Cementum
Cementum is thickest at the... - CORRECT ANSWER Apex and interdental area of
multirooted teeth
Mature cementum is by weight _____ percent of mineralized material - CORRECT
ANSWER 65
The crystalline formation of mature cementum consists of: - CORRECT
ANSWER Calcium hydroxipatite
T/F
Cementum feels grainy when when sliding an explorer across it - CORRECT
ANSWER True
Because of its mineral level, cementum appears more _____________ than enamel or dentin
- CORRECT ANSWER Radiolucent
Cementum forms on the root after the disintegration of... - CORRECT
ANSWER Hertwig's epithelial root sheath
Where is cementum the thinnest? - CORRECT ANSWER At the CEJ
, Cementoblasts that become entrapped by the cementum they produce become: - CORRECT
ANSWER Cementocytes
T/F
If the tooth is injured, the cementoblasts that line up along the cemental surface in the PDL
can form subsequent layers of cementum - CORRECT ANSWER True
The apposition of cementum in the root area describes the process of... - CORRECT
ANSWER Cementogenesis
What must occur to the gingival tissues in order for the cementum to be exposed? -
CORRECT ANSWER Recession
When cementum is laid down over the dentin, the following junction is formed: - CORRECT
ANSWER DCJ
A portion of the collagen fibers from the periodontal ligament that are each partially inserted
into the cementum and bone are: - CORRECT ANSWER Sharpey fibers
A patient is the most likely to experience dentinal hypersensitivity if they have this type of
CEJ formation: - CORRECT ANSWER Gap between cementum and enamel
The removal of cementum as a result of trauma, causes _____________ of the cells called
____________ - CORRECT ANSWER Resorption; Odontoclasts
Calcified bodies of cementum found either attached to the root surface or lying free in the
PDL is called: - CORRECT ANSWER Cementicles
The first layers of cementum deposited at the DEJ that forms at a slower rate, and is referred
to as the "primary cementum" is what type of layer? - CORRECT ANSWER Acellular
actual questions and CORRECT answers
The general makeup of the periodontium is the... - CORRECT ANSWER -Cementum
-Periodontal ligament
-Alveolar bone
The part of the periodontium that attaches the teeth to the alveolar bone by anchoring the
PDL is the... - CORRECT ANSWER Cementum
Cementum is thickest at the... - CORRECT ANSWER Apex and interdental area of
multirooted teeth
Mature cementum is by weight _____ percent of mineralized material - CORRECT
ANSWER 65
The crystalline formation of mature cementum consists of: - CORRECT
ANSWER Calcium hydroxipatite
T/F
Cementum feels grainy when when sliding an explorer across it - CORRECT
ANSWER True
Because of its mineral level, cementum appears more _____________ than enamel or dentin
- CORRECT ANSWER Radiolucent
Cementum forms on the root after the disintegration of... - CORRECT
ANSWER Hertwig's epithelial root sheath
Where is cementum the thinnest? - CORRECT ANSWER At the CEJ
, Cementoblasts that become entrapped by the cementum they produce become: - CORRECT
ANSWER Cementocytes
T/F
If the tooth is injured, the cementoblasts that line up along the cemental surface in the PDL
can form subsequent layers of cementum - CORRECT ANSWER True
The apposition of cementum in the root area describes the process of... - CORRECT
ANSWER Cementogenesis
What must occur to the gingival tissues in order for the cementum to be exposed? -
CORRECT ANSWER Recession
When cementum is laid down over the dentin, the following junction is formed: - CORRECT
ANSWER DCJ
A portion of the collagen fibers from the periodontal ligament that are each partially inserted
into the cementum and bone are: - CORRECT ANSWER Sharpey fibers
A patient is the most likely to experience dentinal hypersensitivity if they have this type of
CEJ formation: - CORRECT ANSWER Gap between cementum and enamel
The removal of cementum as a result of trauma, causes _____________ of the cells called
____________ - CORRECT ANSWER Resorption; Odontoclasts
Calcified bodies of cementum found either attached to the root surface or lying free in the
PDL is called: - CORRECT ANSWER Cementicles
The first layers of cementum deposited at the DEJ that forms at a slower rate, and is referred
to as the "primary cementum" is what type of layer? - CORRECT ANSWER Acellular
