L7 Flashcards
1
Q
Supragingival calculus Color Consistency Detachment Location
A
White/yellow
Clay like
easily detached
Opposite salivary ducts
2
Q
Subgingival calculus
Color
Consistency
Location
A
Dark
Hard, dense
Extends to base of pocket but not JE
3
Q
Detection of calculus
A
Tactile exploration
Radiographs
Blast of air to open gingival margin
Color of overlying gingiva
4
Q
How is calculus defined in terms of periodontitis
A
Secondary product of infection NOT a cause
5
Q
Brushite
Location
When
A
Supragingival calculus formation
Recent calculus
6
Q
Octa calcium phosphate
Location
Shape
A
Predominant in exterior layer
Platelet like crystals
7
Q
Hydroyxapatite
Location
Shape
A
Predominant in inner layers of old calculus
Forms rod like cyrstals
8
Q
Whitlockite
Location
Shape
A
Predominant in subgingival calculus
Hexagonal crystals
9
Q
Why is calculus removed?
A
Keeps plaque in close proximity to tissues
