Dental Caries: A Microbiological Perspective
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Saliva covers all surfaces and serves various important mechanical and nutritional functions in the oral cavity: digestion, swallowing, cleansing, lubrication, bactericidal, and ______

excretory

A// Tooth structure: The structure of enamel, and of dentine is important: some areas of the same tooth are much more susceptible to carious attack than others, possibly because of differences in mineral content (especially ______)

fluoride

The typical resting pH (6.5-6.9) is slightly more acidic than stimulating pH (7.0-7.5), but often varies depending on the secretion rate. It has a high buffering capacity, which tends to neutralize acids produced by plaque bacteria on tooth ______

surfaces

Dietary carbohydrates. Once the surface layer of enamel has been lost, the infection progresses via dentine to the pulp resulting in pulpitis and later ______

<p>necrosis</p> Signup and view all the answers

The four main factors involved in dental caries are: 1) Host factors 2) Diet 3) Time 4) Plaque microorganisms -These complex factors can interact in numerous different ways but all are required for the initiation and progression of ______

<p>carious lesions</p> Signup and view all the answers

What is the most cariogenic sugar?

<p>Sucrose</p> Signup and view all the answers

What factor influences the period for the sugar retained in close contact with the enamel surface?

<p>Frequency of sugar intake</p> Signup and view all the answers

What is the characteristic curve that shows what happens after the consumption of sugar in relation to dental caries?

<p>Stephan curve</p> Signup and view all the answers

What happens after sugar intake, leading to demineralisation of tooth surfaces?

<p>Drop in pH</p> Signup and view all the answers

Which of the following factors are involved in dental caries?

<p>Host factors, diet, time, plaque microorganisms</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser