Dental Calculus
Multiple Choice Questions
- Which of the following does not serve as an endogenous nutrient source for plaque microorganisms in deep periodontal pockets?
- Saliva
- GCF
- Degenerating eoithelial cells
- Other microorganisms
- Hard deposits found on tooth and appliances in an uncleaned mouth is called as
- Plaque
- Calculus
- Materia alba
- None
- Inorganic component of calculus is closest to
- Enamel
- Dentin
- Cementum
- Bone
- Calculus causing bacteria is
- Wollinella
- Veillonella
- Eikenella
- Prevotella
- Crystalline form of calcium phosphate found in highest concentration in supragingival plaque is
- brushite and hydroxyapatite
- Hydroxyapatite and whitelockite
- Hydroxyapatite and brushite
- hydroxyapatite and octacalcium phosphate
- In periodontal disease, calculus is considered as
- contributing factor
- primary factor
- Aetiological factor
- Governing factor
- Mineralisation inhibitors of calculus formation are all except
- triclosan
- Pyrophosphate
- Zinc salt
- Diphosphate
- Brushite crystal forms of calculus are more common in
- Maxillary anterior
- Maxillary posterior
- Mandibular anterior
- Mandibular posterior
- Inorganic content of calculus has maximum of
- CaPO4
- CaCl2
- CaSO4
- CaCO3
- Subgingival calculus is found in maximum amount at
- Lower anterior region
- Lower bicuspid region
- Lower molar region
- Upper molar region
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