1. 치아우식증의 정의
법랑질, 상아질 등의 치질에서 무기질이 이탈되고 유기질이 파괴되어 생긴 치아결손으로 사람에게 가장 빈발하는 만성질환
Dental caries, also known as tooth decay or a cavity, is an infection, bacterial in origin, that causes demineralization and destruction of the hard tissues (enamel, dentin and cementum), usually by
of enamel : mineral, water, organic material
√ contain two unique classes of proteins amelogenins and enamelins
√ The basic unit of enamel is called an enamel rod
Enamel rod
√ Enamel rod is unit of enamel
√ diameter : 4–8 μm
√ tightly packed mass of mineral(hydroxyapatite) crystals in an organized pattern.
√ Head toward the crown / tail toward the root of the tooth.
1. The basis on which posterity will rank our civilization is the quality of our ideas. Our position among civilizations is determined by the _________.
① location of our civilization ② value of our thought
③ influence we have ④ rigidity of our thought
⑤ quantity of our thought
2. As you drive a car on a straight road where the sun is beating down, you may seem to see a shim
의학 약어 사전을 만들면서
외우기 힘들고 낯설은 의학 약어들, 부분에 따라 여러가지로 쓰이는 약어들 때문에 짜증이 나서 하나 둘씩 워드로 치기 시작한 것이 벌써 이만큼이나 되었다. 이중에는 내가 공부하면서 하나씩 하나씩 친것들이 대부분이고, 간혹 가다 눈에 띄는 약어 모음 부록이 있으면