Chapters 4-5 Flashcards
What covers the crown of a tooth?
Enamel
Name a digestive juice in the mouth
Saliva
What is the hardest substance in your body?
Enamel
What is the hard bonelike tissue which forms and shapes the tooth?
Dentin
What is the inner part of a tooth called?
Pulp
What is the thin covering over the root of a tooth?
Cementum
What is a layer of tissue between the cementum and the jaw bone?
Periodontal membrane
What is a sticky colorless film of harmful bacteria?
Plaque
What happens when many acid attacks causes the enamel to break down?
Dental caries
What is sugar changed to when it is broken down by plaque?
Acid
When is the best time to eat sugar rich foods?
At meal times
When should you brush your teeth?
As soon as possible after you eat and again at bedtime
What is another name for bad smelling breath?
Halitosis
When are plaque producing bacteria the most active?
At night
What is the hard deposit formed when plaque builds up
Calculus
What is it called when the upper and lower teeth do not fit together properly?
Malocclusion
What is a dentist who specializes in treating malocclusions called?
Orthodontist
What disease affects the tissues and bones that support the teeth?
Periodontal disease
What is a balanced diet?
A variety of foods containing all the nutrients necessary to keep you healthy
If a tooth is knocked out what part of the tooth should you not touch?
Root
How often should you floss your teeth?
Once a day
What are the tiny parts that make up your skin called?
Cells
What is another name for the outer skin?
Epidermis
What is an extra thick hard layer of epidermis developed from constant rubbing or pressure called?
Callus