- Health science
- Canker sores, halitosis, gingivitis
- Edad 7-12
-
level: Grade 6
- English
Instrucciones del autor
Causes, symptoms and prevention of canker sores, halitosis and gingivitis.
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Diseases that affect the mouth
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Instrucciones del autor
Causes, symptoms and prevention of canker sores, halitosis and gingivitis.