各种根管灌剂对两种封闭系统的结合强度的影响
Hardik Kumar Babulal Patel1, Vaishali Jitendra Kalburge1, Nimisha Chaudhary1
1Department of Conservative Dentistry and Endodontics, Siddhpur Dental College and Hospital, Dethali, Siddhpur - 384151, Gujarat, India.
Bioinformation
|February 7, 2025
概括
该研究比较了使用不同的最终灌冲洗的根管密封剂键强度. 赫西丁 (CHX) 显著提高了热塑化Gutta-Percha/AH Plus和ActiV GP封闭系统的结合强度.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科材料科学 牙科材料科学
- 生物材料是一种生物材料.
背景情况:
- 成功的内牙治疗依赖于三维封闭和化学机械准备.
- 根通道密封剂的适应性和与牙的结合强度对于内牙治疗的有效性至关重要.
研究的目的:
- 为了比较热塑性Gutta-Percha/AH Plus密封器和ActiV GP封闭系统的粘合强度.
- 为了评估最终灌冲洗 (EDTA,MTAD,CHX,蒸水) 对密封体结合强度的影响.
主要方法:
- 在3%的NaOCl灌后,提取的40颗牙根据最终灌冲洗 (EDTA,MTAD,CHX,蒸水) 被分为四组.
- 每组根据封闭系统进一步细分:热塑化Gutta-Percha/AH Plus和ActiV GP.
- 在切割和显微镜检查后,使用Instron通用测试机分析了结合强度.
主要成果:
- 热塑化Gutta-Percha/AH Plus的赫西丁 (CHX) 组显示出最高的平均键强度 (3.654 ± 0.056 MPa).
- 使用ActiV GP的蒸水组表现出最低的平均键强度 (1.313 ± 0.014 MPa).
- 在使用热塑性Gutta-Percha/AH Plus系统的EDTA和MTAD最终冲洗之间观察到一种统计学上显著的结合强度变化.
结论:
- 使用2%的赫西丁 (CHX) 作为最后的灌冲洗,可显著提高热塑化Gutta-Percha/AH Plus和ActiV GP堵塞系统的结合强度.
- 最终灌剂的选择在优化根运河密封器的结合强度方面发挥着至关重要的作用.
更多相关视频
相关概念视频
Bonding and Strength of Aggregate
137
The bond between aggregate particles and the cement matrix is significantly influenced by the shape and surface texture of the aggregates. High-strength concretes benefit from a rougher texture, which leads to stronger bonding due to greater adhesion. Angular aggregates with larger surface areas also enhance this bond. The bonding quality, however, is complex to assess as no universally accepted test exists. Good bonding is indicated when a crushed concrete specimen shows some aggregate...
137
Mortar Properties
110
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...
110
Chemical Bonds
16.0K
Atoms participate in a chemical bond formation to acquire a completed valence-shell electron configuration similar to that of the noble gas nearest to it in atomic number. Ionic, covalent, and metallic bonds are some of the important types of chemical bonds. Bond energy and bond length determine the strength of a chemical bond.
Types of Chemical Bonds
An ionic bond is formed due to electrostatic attraction between cations and anions. Often, the ions are formed by the transfer of electrons...
16.0K
Porosity in Cement Paste
109
The porosity of concrete is a measure of the void spaces within its structure. These spaces impact its strength and durability significantly. When water and cement interact, a chemical reaction called hydration creates a semi-solid paste. This paste includes combined water, making up approximately 23% of the cement's dry mass, and gel water, which fills minuscule voids known as gel pores, accounting for about 28% of the cement gel volume.
The balance of water to cement in the mix is...
The balance of water to cement in the mix is...
109
Mortar Joints in Brick Masonry
98
Mortar joints play a critical role in brick masonry, filling the spaces between brick to bind them together and provide structural integrity and strength. The thickness of these joints is variable, typically ranging from less than one-fourth inch to over half an inch, based on structural needs and specific applications.
The process of joint tooling is implemented as the mortar begins to harden. This technique involves compacting and shaping the mortar to enhance both the appearance and the...
The process of joint tooling is implemented as the mortar begins to harden. This technique involves compacting and shaping the mortar to enhance both the appearance and the...
98
Acid Strength and Molecular Structure
30.6K
Binary Acids and Bases
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with...
In the absence of any leveling effect, the acid strength of binary compounds of hydrogen with nonmetals (A) increases as the H-A bond strength decreases down a group in the periodic table. For group 17, the order of increasing acidity is HF < HCl < HBr < HI. Likewise, for group 16, the order of increasing acid strength is H2O < H2S < H2Se < H2Te. Across a row in the periodic table, the acid strength of binary hydrogen compounds increases with...
30.6K


