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WorksheetsAging of oral tissues
Total questions: 11
Worksheet time: 7mins
Which of these tissues undergo remodelling and turnover and possible loss of calcium ions ?
Enamel
Dentin
Cementum
Bone
The surface of enamel as compared to sub-surface enamel is :
Less-mineralized
Hypermineralized
Less pigmented
Less exposure to acids
Where can fluorapatite be found in enamel ?
Near dentino-enamel junction
Near inner surface of enamel
Surface enamel
Sub-surface enamel
Age related change is enamel is that the thickness of enamel is reduced overtime by:
Occlusal attrition
Abrasion
Erosion
Abfraction
Age related change in dentin is formation of:
Primary dentin
Globular dentin
Tertiary dentin
Sclerotic or translucent dentin
Age related change in pulp is :
More fibrous
More cellularity
Pulp stones
Increased sensitivity
Age changes in salivary gland results in:
decrease in glandular tissue
decrease in fibrous tissue
decrease in duct volume
dry mouth
Encircle sclerotic or translucent dentin
What is the line that often marks the demarcation between secondary and primary dentine?
Hunter-Schreger line
Line of Owen
Line of Retzius
Line of Andersen
Which type of dentin is formed as an age related change ?
Tertiary dentin
Reactionary dentin
Reparative dentin
Secondary dentin
Which major challenge does the presence of secondary dentine pose for endodontic treatment in older teeth?
Enhanced pulp chamber sensitivity
Excessive bleeding during treatment
Occluded pulp chamber and narrowed root canals
Increased root length
