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Dental Caries

Which of the following factors in the stephan’s curve is related to the caries incidence and sugar intake______________?

Which of the following factors in the stephan’s curve is related to the caries incidence and sugar intake______________?

A. Physical form of sugar
B. Frequency of sugar intake
C. Ph of Plaque
D. Quantity of sugar intake

Which of the following factors in the stephan’s curve is related to the caries incidence and sugar intake______________? Read More »

Dental Caries, Medical Mcqs, Oral Pathology and Medicine

Cavity formation in a tooth, due to dental caries is due to______________?

Cavity formation in a tooth, due to dental caries is due to______________?

A. Destructive potential of streptococcus mutans
B. Destructive potential of lactobacillus acidophilus
C. Lateral spread of caries along DE junction and weakening of the outer covering enamel
D. Mastectomy force and unrelated to the extent of carious process

Cavity formation in a tooth, due to dental caries is due to______________? Read More »

Dental Caries, Medical Mcqs, Oral Pathology and Medicine

The most pronounced effect on the oral microflora of a reduction in rate of salivary flow is a_____________?

The most pronounced effect on the oral microflora of a reduction in rate of salivary flow is a_____________?

A. Significant increase in number of oral bacteria
B. Shift towards more acidogenic microflora
C. Significant decrease in number of oral bacteria
D. Shift towards more aerobic microflora

The most pronounced effect on the oral microflora of a reduction in rate of salivary flow is a_____________? Read More »

Dental Caries, Medical Mcqs, Oral Pathology and Medicine

The prbable reasons for a high incidence of dental caries in the teenage population relates most directly to______________?

The prbable reasons for a high incidence of dental caries in the teenage population relates most directly to______________?

A. Rapid growth
B. Frequency of sucrose intake
C. Negligence in visiting the dentist
D. Carelessness in oral hygiene habits

The prbable reasons for a high incidence of dental caries in the teenage population relates most directly to______________? Read More »

Dental Caries, Medical Mcqs, Oral Pathology and Medicine

For a bacterium to be seriously considered in the etiology of dental caries, it must______________?

For a bacterium to be seriously considered in the etiology of dental caries, it must______________?

A. Exist regularly in the dental plaque
B. Produce extracellular amylopectins
C. Be lethal for gnotobiotic animals
D. Produce intracellular dextrans

For a bacterium to be seriously considered in the etiology of dental caries, it must______________? Read More »

Dental Caries, Medical Mcqs, Oral Pathology and Medicine

Streptococcus mutans is considered to be principle etiologic agent of caries because it produces organic acids and it ________________?

Streptococcus mutans is considered to be principle etiologic agent of caries because it produces organic acids and it ________________?

A. Forms a gelatinous matrix
B. Metabolizes substrate from saliva
C. Derives energy from enamel constituents
D. Lives symbiolically with lactobacillus

Streptococcus mutans is considered to be principle etiologic agent of caries because it produces organic acids and it ________________? Read More »

Dental Caries, Medical Mcqs, Oral Pathology and Medicine