ÃкҴÇÔ·ÂÒ áÅдѪ¹Õ¢Í§âä㹪‹Í§»Ò¡ ORAL EPIDEMIOLOGY AND ORAL INDICES ¼ÙŒª‹ÇÂÈÒʵÃÒ¨Òà·Ñ¹µá¾·ÂËÞÔ§ ´Ã.¾ÅÔ¹Õ à´ªÊÁºÙóÃѵ¹ ÃͧÈÒʵÃÒ¨Òà·Ñ¹µá¾·ÂËÞÔ§ ´Ã.¼¡ÒÀó ¾Ñ¹¸ØÇ´Õ ¾ÔÈÒŸØÃ¡Ô¨