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 of enamel
√ 96% of enamel : mineral, water, organic material
√ contain two unique classes of proteins amelogenins and enamelins
√ The basic unit of enamel is called
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
periodontal surgery)
절제형 치주수술은 과잉조직을 치주낭 벽으로부터 제거하는 술식으로 치주낭을 급속하게 감소시키는데 유용하다.
A-1. 적응증
치은절제술의 주요한 적응증은 섬유성 조직을 가진 깊은 치주낭이다. 약물에 의해 유발된 치은비대증은 이와 같은 형태의 절제술에 의해 이상적으로 치
1. 정의 및 이론적 근거
치석제거술과 치근활택술의 정의
미국 치주학회 용어집 (1986)
Scaling : instrumentation of the crown and root surfaces of the teeth to remove plaque, calculus, and stains from these surfaces
Root planing : a definitive treatment procedure to remove cementum or surface dentin that is rough, impregnated with calculus, or contaminated with toxin
Stem cell calssification
1. Based upon location
Embryonic stem cells
Somatic/ adult stem cells
2. Based upon function
Totipotent
Pluripotent
Multipotent
Unipotent
Reject Response
Traditional Immuno-repressents
Constant administration
Little engraftment after 3~4 weeks
Host immune system impaired
Vulnerable to Infection
↓Need brief immuno-re