| Project/Area Number |
23792525
|
|---|
| Research Category |
Grant-in-Aid for Young Scientists (B)
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Social dentistry
|
|---|
| Research Institution | The Nippon Dental University |
|---|
Principal Investigator |
SHIMAZU Kisaki 日本歯科大学, 生命歯学部, 講師 (80582254)
|
|---|
| Project Period (FY) |
2011-04-28 – 2013-03-31
|
| Project Status |
Completed (Fiscal Year 2013)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
|
|---|
| Keywords | シーラント / S-PRGフィラー / フッ素リリース・リチャージ / イオン徐放 / 脱灰・再石灰化 / 齲蝕予防 / 歯科材料 |
|---|
| Research Abstract |
We aimed to evaluate the caries-preventive effect of a fissure sealant containing surface reaction-type pre-reacted glass ionomer (S-PRG) filler. For the sealant containing S-PRG filler, high amount of Sr and B ions was detected, and a considerable amount of fluoride was released after a recharge with a high concentration of fluoride. Moreover, the S-PRG filler-containing sealant bonded by self-etching primer maintained the enamel surface integrity and inhibited enamel demineralization. In addition, the sealant had a higher bond strength on both untreated enamel and enamel subsurface lesions than the conventional resin-based sealants bonded by acid etching. These findings suggest that sealants containing S-PRG filler enhance the enamel demineralization-inhibiting effect and the remineralization-promoting effect for long-term dental care.
|
