| 영문 | enamel | 한글 | 사기질 |
|---|---|---|---|
| 설명 | 치아의 한 부분을 이르는 말이다. 치아관을 피복하는 회백색 반투명의 단단한 물질이다. 치아는 크게 치아관(crown)과 치근(root)으로 나눌 수가 있다. 치아관이란 구강내로 돌출하고 있는 치아의 부분이며, 치근이란 치아관 아래에 존재하는 치아의 부분을 말한다. 사기질은 치아관을 둘러싸고 있는 아주 단단한 조직으로 우리가 입안으로 직접 관찰할 수가 있는 흰색을 띠는 것이다. 전신에서 가장 단단한 부분으로 굳기 6~7° 이므로 석영과 거의 비슷하다. 사기질소주라고 하는 3~5μm 굵기의 사상체의 집합으로 한 개의 이에 수백만 개의 작은기둥이 있다. 사기질은 한번 마모되거나 녹아 버리면 다시 신생되지 않는다. 잇몸의 내부에 있는 치근부에서는 상아질 표면이 시멘트질로 덮여 있다. 사기질에는 신경이 없으므로 여기에 생긴 충치에는 치통이 없으나, 상아질까지 침범되었을 때 냉수가 스며들면 이가 시리고 치통이 시작된다. 소량의 플루오르화물을 섭취하면 이가 건강해진다고 하지만 과다하면 사기질을 상하게 한다. |
||
| CO | carbon monoxide; cardiac output; castor oil; casualty officer; centric occlusion; cervical orthosis;... |
|---|---|
| HIPO | hemihypertrophy, intestinal web, preauricular skin tag, and congenital corneal opacity [syndrome]; H... |
| IOU | intensive care observation unit; international opacity unit |
| CEJ | cement-enamel junction |
| DEJ, dej | dentino-enamel junction; dermo-epidermal junction |
| Opa | Opacity |
|---|---|
| OF | Opacity factor |
| EMD | Enamel Matrix Derivative |
| LEH | Linear enamel hypoplasias |
| CEJ | cement enamel junction |
| corneal opacity | Clouding that can occur in the cornea secondary to inflammation, infection or irritant exposure (foreign body or chemical). Physicians can visualize the corneal for the presence of opacities using the slit lamp (eye scope). (27 Sep 1997) |
|---|---|
| snowball opacity | A spherical, white body seen in the vitreous in asteroid hyalosis. (05 Mar 2000) |
| nodular opacity | A solitary, round, circumscribed shadow found in the lung on chest radiograph; causes include granuloma, primary or metastatic carcinoma, benign tumour, vascular malformation. Synonym: coin lesion of lungs. (05 Mar 2000) |
| opacity | The degree to which smoke or particles emitted into the air reduce the transmission of light and obscure the view of an object in the background. (05 Dec 1998) |
| reduced enamel epithelium | The several layers of the enamel organ remaining on the enamel surface after formation of enamel is completed. Synonym: reduced enamel epithelium. (05 Mar 2000) |
| mottled enamel | Alterations in enamel structure due to excessive fluoride ingestion during tooth formation; varies in appearance from small white opacities to yellow and black spotting. Nanoid enamel, a condition of abnormal thinness of the enamel. Synonym: dwarfed enamel. Whorled enamel, enamel in which the rods assume a spiral or twisting course. (05 Mar 2000) |
| dental enamel | <dentistry> A hard thin translucent layer of calcified substance which envelops and protects the dentin of the crown of the tooth. It is the hardest substance in the body and is almost entirely composed of calcium salts. Under the microscope, it is composed of thin rods (enamel prisms) held together by cementing substance, and surrounded by an enamel sheath. (12 Dec 1998) |
| dental enamel hypoplasia | <dentistry> A form of amelogenesis imperfecta characterised by incomplete formation of the dental enamel and transmitted as an x-linked or autosomal dominant trait. It is also associated with vitamin a, c, or d deficiency, infectious disease, prematurity, birth injury, rh incompatibility, trauma, or local infection. Small grooves, pits, and fissures are seen in mild cases, deep horizontal rows of pits in severe cases, or absence of enamel in extreme cases. (12 Dec 1998) |
| dental enamel permeability | <dentistry> The property of dental enamel to permit passage of light, heat, gases, liquids, metabolites, mineral ions and other substances. It does not include the penetration of the dental enamel by microorganisms. (12 Dec 1998) |
| dental enamel proteins | <dentistry> The proteins that are part of the dental enamel matrix. (12 Dec 1998) |
| dwarfed enamel | nanoid enamel |
| enamel | <dentistry> A hard ceramic which covers the exposed part of your teeth. (08 Jan 1998) |
| enamel cap | The enamel covering the crown of a tooth. (05 Mar 2000) |
| enamel cell | <cell biology> Columnar epithelial cells that secrete the enamel layer of teeth in mammals. Their apical surfaces are tapering Tomes processes) and are embedded within the enamel matrix. (18 Nov 1997) |
| enamel cleavage | The splitting of enamel in a plane parallel to the direction of the enamel rods. (05 Mar 2000) |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
|---|
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
|---|