DMH3- Oral cavity

Question 1

Define plaque

Answer 1

A soft biofilm on the teeth containing saliva, food particles and a comminty of diverse bacteria

e.g steptococci

Question 2

What does steptococci do to the teeth?

Answer 2

They produce adhesive polysaccharides whoich gell the biofilm to teath and creat an anerobic environment

Question 3

What do bacteria do th sugar in the teeth and how is this related to tooth decay?

Answer 3

Bacteria ferment sugars to lactic acid, causing damage to enamal. Together with proteolytic enzymes, this causes caries (tooth decay)

Question 4

What is tartar?

Answer 4

A hard yellow/brown matrix of biofilm that is difficult to remove

Question 5

What cab plaque and tartar build up lead to?

Answer 5

Gingivitis (gum inflammation) and poeriodontisis (gum disease: bone loss around tooth)

Question 6

What can bacteria do if the gums are inflammed?

Answer 6

They can enter the blood stream

Question 7

What can gum disease increase the risk of ?

Answer 7

Cardiovascular diseasse and stroke

Sterptococci and other bacteria cab cause blood clots, pericarditis

Question 8

How can you keep good gum health?

Answer 8

Remove plaque

Regualar dental appointments

Fluoride toothpaste

Chlorohexidine rather than alcohol bases mouth wash

Cleaning deep pockets by dental hygenist

Question 9

True/false? Smoking aters mouth microbiome. WHY?

Answer 9

True
More anerobic species
Fewer aerobic species
Linked to periodontis