相关实验视频
Updated: Aug 16, 2026

13:05
Ratiometric Imaging of Extracellular pH in Dental Biofilms
Published on: March 9, 2016
10.3K
1.1%的NaF牙膏含有Sr/F-doped生物活性玻璃对辐射去矿化牙的影响:一个体外研究
Chananya Gesprasert1, Matana Kettratad1, Nattika Nimmano2
1Faculty of Dentistry, Thammasat University, Pathum Thani, 12120, Thailand.
BMC oral health
|November 17, 2024
概括
高化物牙膏可以重矿化辐射牙,防止辐射. 生物活性玻璃纳米颗粒增强了这种效果,尽管配方稳定性需要改进以获得临床使用.
科学领域:
- 生物材料科学 生物材料科学
- 牙科研究 牙科研究
- 纳米技术纳米技术
背景情况:
- 头部放射治疗患者极易患有辐射.
- 有效的重矿化策略对于管理这种牙科并发症至关重要.
研究的目的:
- 评估一个实验性的1.1% NaF (5000 ppmF) 牙膏与Sr/F合生物活性玻璃纳米粒子 (BAG) 的重矿化潜力.
- 评估对非矿物化辐射牙的影响.
主要方法:
- 材料的稳定性 (pH,释放) 在3个月内进行了评估.
- 被辐射的人类牙被去矿化,并经过pH循环.
- 用ATR-FTIR和SEM-EDX来评估重矿化.
- 在体外细胞毒性使用MTT测试进行了测试.
主要成果:
- 与标准的5000ppmF牙膏相比,BAG的实验牙膏显示了增强的重矿化.
- 这两种5000 ppmF配方都促进了牙上的矿物沉.
- 含有BAG的牙膏的化物释放量略有减少,随着时间的推移,pH值增加.
- 与对照组相比,实验用牙膏的细胞毒性较低.
结论:
- 5000 ppm 化牙膏显著增强牙的重矿化,为预防辐射牙提供了一个有前途的方法.
- 加入生物活性玻璃纳米颗粒进一步提高了重矿化功效.
- 需要进一步优化配方,以确保牙膏中的生物活性玻璃在临床应用中的稳定性.
更多相关视频
08:20Systematic Approach to Identify Novel Antimicrobial and Antibiofilm Molecules from Plants' Extracts and Fractions to Prevent Dental Caries
Published on: March 31, 2021
6.3K
06:16Author Spotlight: Establishing an Accurate Microhardness Testing Protocol for Craniofacial Tissues
Published on: April 26, 2024
623
相关概念视频
Precipitation Reactions
In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs when oppositely charged ions in solution overcome their attraction for water and bind to each other, forming a precipitate that separates out from the solution. Since such reactions involve the exchange of ions between ionic compounds in aqueous solution, they are also referred to as double displacement, double replacement, exchange reactions, or...
Essential Minerals for Bone Health
The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
Minerals
Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.