脱矿化,刷牙和重矿化序列对牙矿物质保留和表面特性的影响
Soyeon Kim1, Sri Larnani1, Ji Eun Son2
1Department of Oral Anatomy and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea, 03080.
Odontology
|February 26, 2025
概括
脱矿,刷牙和重矿的顺序显著影响牙.
科学领域:
- 生物材料科学 生物材料科学
- 牙科材料科学 牙科材料科学
- 矿物化组织生物学
背景情况:
- 丹丁的矿物质含量 (和) 对其结构完整性至关重要.
- 脱矿,刷牙和重矿是影响牙健康的关键过程.
- 了解这些治疗的顺序对于开发有效的牙科护理策略至关重要.
研究的目的:
- 为了研究不同序列的去矿化,刷牙和重矿化如何影响牙的和 (Ca / P) 含量.
- 评估这些处理序列对牙表面粗度和微硬度的影响.
- 确定矿物质回收和牙性质的保存的最佳顺序.
主要方法:
- 牛牙样本接受了五种治疗条件:控制,去矿化,去矿化-再矿化,去矿化-刷牙-再矿化,以及去矿化-再矿化-刷牙.
- 使用X射线光光谱测量Ca/P含量.
- 扫描电子显微镜,表面粗度和微硬度测试进行,以分析微观结构和物理变化.
主要成果:
- 与对照组相比,所有治疗都导致Ca/P含量显著下降.
- 在脱矿后立即进行重矿化,导致Ca/P保持率高于在刷牙之前进行重矿化时.
- 脱矿后的刷牙对牙的微硬度产生了负面影响,并减少了矿物质的回收.
结论:
- 脱矿化,刷牙和重矿化的序列极大地影响了牙的Ca/P保留,表面粗性和微硬性.
- 在重矿化之前的刷毛减少了矿物回收,而在去矿化后的立即重矿化增加了矿物沉积.
- 在去矿化后立即应用富含矿物质的溶液对牙重矿化有好处.
相关概念视频
01:17Mortar Properties
107
Mortar properties encompass a range of characteristics crucial for construction and masonry work, including workability, water retention, bond strength, durability, compressive strength, volume change, and appearance. Workability refers to mortar's ability to be easily applied and manipulated without sagging or falling off surfaces, which is important for efficient masonry unit placement and alignment. Water retention is essential to prevent the mortar from losing moisture too quickly to...
107
01:19Retarders
61
Retarders are chemical admixtures designed to extend the setting time, which is especially useful when there is a delay in sequential concrete pours to prevent cold joints and to achieve a cohesive structure. Retarders, when used in appropriate amounts, can also enhance the architectural appearance of exposed aggregate finishes.
The function of retarders is to delay the setting of concrete, and this effect can be measured using a penetration test. The retardation process involves adding...
The function of retarders is to delay the setting of concrete, and this effect can be measured using a penetration test. The retardation process involves adding...
61
01:21Drying Shrinkage
65
When hardened concrete is exposed to air with a relative humidity of less than 100 percent, it begins to lose the free water within its capillaries. As this water evaporates, the water initially adsorbed onto the calcium silicate hydrates migrates towards these now empty spaces and eventually evaporates as well. Over time, as more water leaves, the volume of the concrete decreases, a phenomenon known as drying shrinkage.
A portion of this drying shrinkage can be reversed; if the concrete is...
A portion of this drying shrinkage can be reversed; if the concrete is...
65
01:15Teeth
286
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
286