June 1, 2010
by Oral Health
Periodontal disease in the elderly can lead to the development of
1. acute pneumonia.
2. chronic respiratory disease.
3. obstructive pulmonary disease.
4. tooth loss.
A. 1, 2, 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of the above.
Respiratory disease, especially pneumonia, is a common cause of mortality in the elderly. The oral cavity and particularly teeth harbor pathogenic bacteria in biofilms which are readily shed and inhaled to develop pneumonia and other chronic respiratory diseases. A recent study further suggests an association between periodontal disease and chronic obstructive pulmonary disease.
Epidemiological data have shown association between periodontal disease and cardiovascular disease (CVD) and stroke especially in younger male subjects. Co-relation between alveolar bone loss and increased risk to CVD have also been demonstrated.
In pulpless teeth radicular dentin remains hydrated.
A. The first statement is true, the second is false.
B. The first statement is false, the second is true.
C. Both statements are true.
D. Both statements are false.
Retention of fibre posts and composite resins is dependent on the quality of bond at the various interfaces and it is of interest to note that bonding to radicular dentine is less favourable than that to coronal dentine. It is thought to be due to retained water still present in radicular dentin of pulpless teeth.
1. create long contacts.
2. tend to have a square appearance.
3. look unnatural.
4. mainly fail through fracture.
1. prevents demineralization of teeth.
2. increases salivary flow rate.
3. raises calcium concentrations of plaque.
4. raises salivary pH.
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