Page 27 - Ebook_V01
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Host Agent
(tooth (dento bacterial
resistance fluoride, plaque)
saliva)
Environment
(sugar, starch
substrates)
ÃÙ»·Õè 1 ä´ÍÐá¡ÃÁ¢Í§ Venn 㹡ÒÃ͸ԺÒÂÊÒà˵آͧâ俘¹¼Ø
è
·ÕÁÒ: David PC and Connie CM. Prevention in clinical oral health care. Missouri:
Mosby; 2008. [1]
ÊÁ´ØŢͧâ俘¹¼Ø (Caries balance) à¡Ô´¨Ò¡¡ÒÃà»ÅÕè¹á»Å§¢Í§»˜¨¨Ñ·Õè·ÓãËŒà¡Ô´âä
(Pathological factors) áÅл˜¨¨Ñ·Õ軇ͧ¡Ñ¹âä (Protective factors) ´Ñ§ÃÙ»·Õè 2
Protective factors Pathological factors
Salivary flow Reduced saliva
Fluorirde exposure Bacteria
Dietary components Frequency of
fermentable
carbohydrates
No Caries Caries
ÃÙ»·Õè 2 ÊÁ´ØŢͧâ俘¹¼Ø (Caries balance)
·ÕèÁÒ: David PC and Connie CM. Prevention in clinical oral health care. Missouri:
Mosby; 2008. [1]
20
