If amalgam gets contaminated with moisture, the most uncommon result is:** A. Blister formation B. Post operative pain C. Secondary caries D. Lower compressive strength

If amalgam gets contaminated with moisture, the most uncommon result is:**
A. Blister formation
B. Post operative pain
C. Secondary caries  
D. Lower compressive strength
by

1 Answer

Answer :

C. Secondary caries
by

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In the case of malignant melanoma occurring intra orally, which of the following is true: A. Uncommon on the palate when occurs intra orally B. Should not biopsied, as this will increase metasis C. The 5 years survival rate is 20% D. The incidence of oral melanoma is the same as those on the skin E. Commonly occurs intra orally

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for dental caries to progress in dentine, A. the dentine must contain soluble collagen B. enamel must contain glycoproteins C. diet must contain simple carbohydrate D. diet must contain polysaccharides E. pulp must contain complement

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The most common cause of caries in children is, A. Soft diet B. High intake of carbohydrate C. Poor oral hygiene

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Good oral hygiene and fluoridation is LEAST useful in preventing caries of: A. Pit and fissure B. Smooth surface C. Inaccessible areas

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What is NOT true about tobacco smoking: A. Redox potential favours growth of anaerobic bacteria B. It is caries immuno-suppressive C. It is adrenergic D. Affects neutrophils and chemotactic factors

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For fissure and sealant treatment to be a part of the primary pretentive care: A. Place sealant on teeth which are at high risk of caries B. Place sealant on newly erupted teeth

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What effect do fissure sealants have on caries progression: A. Reduce new caries and hamper the progress of freshly established caries B. Reduce new caries and hamper the progress of existing caries

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A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces Levans frictions which are used by periodontal pathogens C. The streptococcus mutans cannot survive with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow

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Which of the following is NOT a complication of radiation to head and neck area:** A. Xerostomia B. Mucositis C. Increased caries D. Heightened taste sensation E. Increased risk of osteomyelitis

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What is the MOST important role of saliva in preventing dental caries: A. Buffering action

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