1. CHAPTER 14
PERSONAL CARE

2. YOUR TEETH
Healthy teeth help you chew your food properly and speak clearly
You have four kinds of teeth: incisors, canines, premolars, and molars

3. STRUCTURE OF THE TEETH
The tooth has three basic structures: root, neck and crown
The tooth is covered with a substance called enamel
Cementum covers the tooth’s root
Pulp is in center

4. Healthy gums should be pink and fit tightly around the neck of each tooth to hold it firmly in place.

5. By age 3 most children have all their first, or primary teeth.
Around age 5 or 6 the primary teeth begin to fall out
Primary teeth are replaced by 28 permanent teeth
Wisdom teeth usually grow in between the ages of

6. Structural problems
Sometimes during the growth process problems can occur.
When the top and bottom jaw do not meet properly that is called Malocclusion.
People with structural problems may need to see an orthodontist.

7. Caring for teeth and gums
Failing to properly care for teeth and gums can lead to Halitosis (bad breath).
To prevent tooth decay:
Healthy diet reduces acid producing bacteria (plaque)
Wear mouth guard during contact sports
Have a dental check up twice a year to identify any problems

8. Caring for your teeth
Cavities form if plaque is not removed and the acid eats away at the enamel
If plaque is not removed in 48 hours the film with harden into tartar which can irritate the gums
This can lead to PERIDONTAL DISEASE
Gingivitis is the early stage of gum disease.

10. Section 2
SKIN, HAIR, AND NAILS

11. YOUR SKIN

12. FUNCTIONS OF THE SKIN
Skin covers and protects the body from injury, infection, and water loss
It also helps to regulate body temperature and gathers information from the environment.

13. Consist of two layers: Epidermis (part you can see)
Dermis (where oil glands, and hairs are found)

14. Caring for your skin
Eating a healthy diet, drinking plenty of water and getting enough sleep will help to keep your skin healthy,
The most important thing you can do is to avoid excess exposure to the sun and tanning lamps and to monitor any moles.

15. Over exposure to the sun can lead to skin cancer called melanoma.
Often the first sign of melanoma is an irregular mole

16. ACNE- common skin problem caused by an excess production of oil and dead skin cells blocking the hair follicle
For severe acne you should see a DERMATOLOGIST

17. HAIR Hair protects the scalp from the sun and insulates from the cold
Hairs in the nose and ears and eyelashes prevent debris from entering the body.

18. NAILS
Nails cover and protect the tips of the fingers and toes which come into frequent contact with objects In your environment
Keep nails clean and smooth to stop the spread of microorganisms
Clip nails straight across to prevent ingrown toe nails

19. YOUR EYES AND EARS
SECTION 3

20. THE EYES
The eyes are complex organs that respond to light by sending impulses. Your brain then interprets the impulses as images
PARTS OF THE EYE: