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Dental Caries: Microbiology Theory

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Questions and Answers

Which factor is NOT involved in dental caries according to the text?

Host factors
Tobacco usage (correct)
Time
Diet

What is the typical resting pH range of saliva according to the text?

7.0-7.5
8.0-8.5
5.5-6.0
6.5-6.9 (correct)

Which tooth structure is mentioned as important in carious attack susceptibility?

Alveolar bone and periodontal ligament
Enamel and dentine (correct)
Gingiva and oral mucosa
Pulp and cementum

What is the main function of saliva in the oral cavity according to the text?

Digestion and swallowing (C) Signup and view all the answers

What does plaque microorganisms metabolize to produce acids according to the text?

Carbohydrates (C) Signup and view all the answers

Match the following factors with their involvement in dental caries:

Host factors = Involved in tooth structure and saliva Diet = Involvement in carious lesion progression Time = One of the four main factors involved in dental caries Plaque microorganisms = Produce acids causing demineralization of teeth enamel Signup and view all the answers

Match the following functions of saliva with their descriptions:

Digestion, swallowing, cleansing, lubrication, bactericidal, excretory = Functions served by saliva in the oral cavity Resting pH (6.5-6.9), stimulating pH (7.0-7.5), buffering capacity = Saliva's pH range and buffering capacity Signup and view all the answers

Match the following stages with their consequences in dental caries infection:

Dentine to the pulp = Results in pulpitis and later necrosis Surface layer of enamel loss = Progresses the infection via dentine to the pulp Signup and view all the answers

Match the following terms with their definitions:

Chronic endogenous multifactorial disease = Description of dental caries Nomenclature = Refers to the naming of dental caries Signup and view all the answers

Match the following minerals with their importance in tooth structure susceptibility to carious attack:

Fluoride = Possibly affects differences in mineral content and susceptibility to carious attack Signup and view all the answers