12 Questions
What is the main cause of cavities in teeth according to the text?
Production of lactic acid
Which of the following is responsible for the polymerization of glucose to form polysaccharides in dental plaque?
Glucosyl-transferase enzyme
Why is fluoroapatite preferred over hydroxyapatite in preventing dental caries?
Fluoroapatite is less sensitive to low pH
What is the role of sucrose in biofilm formation on teeth surfaces?
Promotes binding of streptococci to proteins
How do proteolytic enzymes contribute to dental caries development?
Destroy dentin
What was an ancient Chinese procedure for preventing dental caries according to the text?
Use human urine as mouthwash
What is the main cause of endocarditis?
Colonization of heart valves by oral streptococci
How is periodontitis different from gingivitis?
Periodontitis causes easy bleeding of the gums, while gingivitis involves the destruction of bone and tissue supporting teeth.
What is the primary function of the endocardium?
To provide a smooth surface covering the heart valves
Why are Lancefield serogroups important in serological classification?
To classify Streptococci based on antigen differences in cell wall carbohydrates
How can endocarditis be prevented according to the text?
Regular dental check-ups and cleanings
What is the purpose of the Serological Latex Agglutination Test?
To detect Lancefield antigens through clumping reactions
Test your knowledge about the normal flora of the oral cavity including S.mutans, S.sanguis, and S.mitis, and the process of dental plaque formation. Explore how glycoproteins from saliva contribute to biofilm formation on tooth surfaces and the fermentation process involved in plaque development.
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