Page 72 - Ebook_V01
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ÊÒà˵آͧ¤ÇÒÁ¼Ô´»¡µÔ¢Í§ªÑé¹¼ÔÇà¤Å×ͺ¿˜¹
(Etiology of Developmental Defects of Enamel)
¡ÒÃáÊ´§ÍÍ¡·Ò§¤ÅÔ¹Ô¡·Õèᵡµ‹Ò§¡Ñ¹ÍÒ¨ÁÒ¨Ò¡ÊÒà˵طÕ赋ҧ¡Ñ¹ ¡Ãкǹ¡Ò÷ҧ¾ÂÒ¸Ô
ÇÔ·ÂÒ·Õ赋ҧ¡Ñ¹ ËÃ×Í âä¹Ñé¹à¡Ô´·ÕèÃÐÂÐàÇÅҢͧ¡ÒÃÊÌҧ¿˜¹áµ¡µ‹Ò§¡Ñ¹ ´Ñ§¹Ñé¹ áÁŒÇ‹ÒàÃҨзÃÒº
ÊÒà˵ØʋǹãËÞ‹·Õè·ÓãËŒà¡Ô´¤ÇÒÁ¼Ô´»¡µÔ¢Í§¿˜¹áµ‹¨ÐºÍ¡ÊÒà˵آͧ¤ÇÒÁ¼Ô´»¡µÔ¹Õéä´ŒÂÒ¡
à¹×èͧ¨Ò¡ÍÒ¡ÒÃáÊ´§·Õè¤ÅŒÒ¤ÅÖ§¡Ñ¹ÍÒ¨à¡Ô´¨Ò¡ÊÒà˵طÕèᵡµ‹Ò§¡Ñ¹ä´Œ ã¹·Ò§¡ÅѺ¡Ñ¹ÊÒà˵Ø
à´ÕÂǡѹÍÒ¨·ÓãËŒà¡Ô´ÍÒ¡ÒÃáÊ´§·Õ赋ҧ¡Ñ¹ä´Œ ¶ŒÒ¡ÃзӷÕèÃÐÂÐàÇÅÒ¡ÒÃÊÌҧ¿˜¹·Õèᵡµ‹Ò§¡Ñ¹ [1]
¼ÔÇà¤Å×ͺ¿˜¹·ÕèÁÕ¤ÇÒÁ·Öºáʧ¼Ô´»¡µÔ (Opacity) ÃٻËҧ¼Ô´»¡µÔ (Hypoplasia) áÅÐ
ÊÕ¼Ô´»¡µÔ (Discoloration) ÍÒ¨à¡Ô´¨Ò¡ËÅÒÂÊÒà赯 â´ÂÍÒ¨ÁÒ¨Ò¡ÊÒà˵طҧÃкº
[2]
(Systemic causes) ËÃ×ÍÊÒà˵Ø੾ÒзÕè (Local causes) ¡çä´Œ ¼ÔÇà¤Å×ͺ¿˜¹¼Ô´»¡µÔ¨ÐáÊ´§
[20]
ÅѡɳÐᵡµ‹Ò§¡Ñ¹ áÅÐÊÒÁÒöà¡Ô´ä´Œ·Ñé§ã¹¿˜¹á·Œ áÅп˜¹¹íéÒ¹Á ´Ñ§¹Õ é
1. ÊÒà˵طҧÃкº (Systemic causes) ÍÒ¨à¡Ô´¨Ò¡
1.1. Inherited âä·Õ趋Ò·ʹ·Ò§¾Ñ¹¸Ø¡ÃÃÁ
Amelogenesis imperfecta
Trisomy 21
Generalized inherited disorder or syndrome with enamel defect
ઋ¹ ectodermal dysplasia, epidermolysis bullosa, tuberous sclerosis
1.2. Acquired systemic condition perinatally, neonatally or postnatally
ઋ¹
Birth trauma, Preterm birth
Isolated cleft lip and palate
Maternal conditions during pregnancy (Cytomegalovirus infection,
Vitamin D deficiency)
- âäµÔ´àª×éͨҡ bacteria, viruses ËÃ×Í Fungi
- âÃ¤äµ âäµÑº ઋ¹ renal failure, biliary atresia
- ÂÒ ËÃ×ÍÊÒþÔÉ (Tetracycline, Thalidomide, Vitamin D, Chronic lead poisoning)
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