Page 31 - Ebook_V01

Class I Class II Class III

Class IV Class V Class VI

2. Decayed, Missing, and Filled (DMF) index [3]

໚¹¡ÒÃÇÑ´¢¹Ò´¢Í§â俘¹¼Ø â´Â¾Ô¨ÒÃ³Ò ¿˜¹·Õè¼Ø (Decayed) ¿˜¹·Õè¶Í¹à¹×èͧ¨Ò¡¿˜¹¼Ø

(Missing) áÅп˜¹·Õèä´ŒÃѺ¡ÒÃÍØ´áÅŒÇà¹×èͧ¨Ò¡¿˜¹¼Ø (Filled) 㹿˜¹á·Œ àÃÒ¨Ð㪌µÑÇÍÑ¡ÉÃ

ÀÒÉÒÍѧ¡ÄɾÔÁ¾ãËÞ‹ ʋǹ㹿˜¹¹íéÒ¹Á àÃÒ¨Ð㪌µÑÇÍÑ¡ÉÃÀÒÉÒÍѧ¡ÄɾÔÁ¾àÅç¡ áÅÐËÒ¡ÇѴ໚¹

¨Ó¹Ç¹«Õ还¹ (Tooth) ¨ÐµÒÁ´ŒÇµÑÇÍÑ¡Éà “T” ËÒ¡ÇѴ໚¹¨Ó¹Ç¹´ŒÒ¹ (Surface) ¨ÐµÒÁ´ŒÇÂ

µÑÇÍÑ¡Éà “S”

2.1 Decayed, Missing, and Filled teeth (DMFT) index for per-

manent teeth

[3]
´Ñª¹Õ¿˜¹ ¼Ø ¶Í¹ ÍØ´ (DMF) ¶Ù¡¾Ñ²¹Òµé§áµ‹»‚ 1938 â´Â Klein, Palmer and Knutson
Ñ
áÅÐã¹»˜¨¨ØºÑ¹ä´Œ¹ÓÁÒ㪌㹡ÒÃÇÑ´â俘¹¼ØÃдѺ»ÃЪҡÃã¹ËÅÒÂæ»ÃÐà·È ໚¹´Ñª¹Õ»ÃÐàÀ··Õ è

à»ÅÕè¹á»Å§äÁ‹ä´Œ (Irreversible index) â´Â¤Ó¹Ç³¼ÅÃÇÁ¢Í§ ¨Ó¹Ç¹¿˜¹¼Ø·Õè໚¹ÃÙ Decayed (D),

¨Ó¹Ç¹¿˜¹·Õè¶Í¹ä»à¹×èͧ¨Ò¡¿˜¹¼Ø Missing (M) áÅÐ ¨Ó¹Ç¹¿˜¹·ÕèÍØ´áÅŒÇ Filled (F) ¢Í§¿˜¹á·Œ

à¹×èͧ¨Ò¡ ´Ñª¹Õ DMF ໚¹´Ñª¹Õ·ÕèÇÑ´¿˜¹·ÕèÁÕÃͼØã¹»˜¨¨ØºÑ¹áÅÐÁÕ»ÃÐÇѵԡÒüØã¹ Í´Õµ·Õ輋ҹÁÒ

´Ñ§¹Ñé¹ ¿˜¹·ÕèÍØ´ ËÃ×Í ¶Í¹ ¹Ñé¹àÃҨйѺ੾Òп˜¹·Õèà¤Â¼ØÁÒ¡‹Í¹·Õè¨ÐÍØ´¿˜¹ËÃ×Ͷ͹¿˜¹à·‹Ò¹Ñé¹

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