Enamel과 Dentin이 구강내의 산에 의해 탈회되는 것을 막아준다. 이번 실험은 (Tricalcium phosphate)를 이용하여 불소이온이 산에 대한 용해도를 얼마나 감소시켜주는 지에 대해 측정해 보는 실험이다. 간단하게 실험방법을 요약하면, 먼저 동일한 양의 Tricalcium phosphate를 NaF와 NaCl로 각각 처리한 후, 다시 산(aceta
of the hard tissues (enamel, dentinand cementum), usually by productionofacid by bacterial fermentationof the food debris accumulated on the tooth surface. (위키피디아)
Dental caries, also known as tooth decay, is the destructionof the outer surface (enamel) of a tooth. (ADA)
a reversible multifactorial process of tooth demineralizationand remineralization.
2. 치아우식증의
Enamel
√ Hard and white substance covering the teeth
√ The hardest and most highly mineralized
√ Protects the fragile underlying parts of the teeth
√ Covers the crown and supported by dentin
Component ofenamel
√ 96% ofenamel : mineral, water, organic material
√ contain two unique classes of proteins amelogenins andenamelins
√ The basic unit ofenamel is called
04. The incidence of failure following single-visit endodontic therapy
Richard B.Pekruhn. J Endod 12:68-72. 1986
Introduction
- Single-visit 근관 치료와 multiple-visit 근관 치료사이의 실패율 유의차 없음
- Single-visit 근관 치료는 다음 세 가지로 분류
① 초기접근, 근관 형성, 근관충전이 single-visit 근관 치료로 완료
② 통증
Lipopolysaccharides (LPS), also known as lipoglycans,
are large molecules consisting of a lipid and a polysaccharide
joined by a covalent bond; they are found in the outer
membrane of Gram-negative bacteria, act as endotoxins and
elicit strong immune responses in animals.
LPS is the major component of the outer membrane of
Gram-negative bacteria, contributing greatly to the structu