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- Dental amalgam is made by mixing approximately equal parts (by weight) of a powdered metal alloy with liquid mercury. The powdered metal is called an amalgam alloy and is predominantly silver (Ag) and tin (Sn). The mixing process of the alloy with the liquid mercury is called amalgamation or trituration.
www.dental-science.com/amalgam/ - People also ask
Amalgam: Properties, Uses, Toxicity and Advantages
Amalgam is a metal alloy of which one of the elements is mercury (Hg). Alloys are metals that are a combination of several elements. Dental amalgam is made by mixing approximately equal parts (by weight) of a powdered metal alloy with liquid mercury. The powdered metal is called an amalgam alloy and is … See more
Mercury toxicity is a concern in dentistry because mercury and its chemical compounds are toxic to the kidneys and the central nervous system. Proper handling of mercury … See more
Because of its toughness and wear resistance, amalgam is a long-lasting, cost-effective restorative material. In addition, amalgam … See more
Amalgam is used to restore many different types of carious lesions and tooth fractures. Again, amalgam is a very cost-effective restorative material and is used to restore Class I, II, V … See more
Several physical properties of amalgam hold particular interest for the clinician. Proper handling of the material is required for optimum results. 1. Dimensional Changes of Dental Amalgam Minimal change in dimension after condensation is important. 1. … See more
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15: Dental Amalgams | Pocket Dentistry
WEBJan 1, 2015 · Trituration—The mixing of amalgam alloy particles with mercury in a device called a triturator; the term is also used to describe the reduction of a solid to fine …
- Estimated Reading Time: 10 mins
- Studies of Amalgam Alloy Trituration
Amalgam (dentistry) - Wikipedia
γ : Ag3Sn (mechanically the strongest) γ1 : Ag2Hg3 (major matrix phase in set amalgam) γ2 : Sn8Hg (weakest phase, corrodes easily) β : Ag5Sn η' : Cu6Sn5 ε : Cu3Sn
The alloys are broadly classified as low-copper (5% or less copper) and high-copper alloys (13% to 30% copper). The solid particles of the alloy are either spherical or irregularly shaped microspheres of various sizes or a combination of the two. The low-copper alloys have either irr…Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 9 mins
The effect of trituration time on the mechanical properties of four ...
WEBVariation in trituration time has been reported to affect creep, compressive strength, and diametral tensile strength in various amalgams. Recent classification of amalgam alloys …
5: Dental Amalgam | Pocket Dentistry
WEBJan 9, 2015 · When triturated, mercury dissolves silver and tin from the metal alloy particles to form matrices of intermetallic compounds that …
- Estimated Reading Time: 6 mins
Dental Amalgams | Pocket Dentistry
WEBAug 11, 2021 · Trituration The mixing of amalgam alloy particles with mercury in a device called a triturator; the term is also used to describe the reduction of a solid to fine …
Amalgam Restorations | SpringerLink
WEBDec 15, 2019 · The trituration of alloy in bulk can be performed manualy or through a mechanical device. For the manual trituration, the alloy:mercury ratio must be defined …
Physical Properties and Manipulation of Amalgam - ScienceDirect
WEBCertain recently introduced mechanical amalgamators cannot be used with micro-cut alloys. Mortar and pestle trituration when used with the squeeze technique is efficient, …
Amalgam - ScienceDirect
WEBTRITURATION The purpose of trituration is twofold: to reduce further the grain size of the alloy and to remove by abrasion the superficial coat of tarnish on each alloy particle. …
WEBDuring the process of trituration, the surface layer of the silver-tin alloy dissolves in the liquid mercury, and there is a reaction that leads to the formation of new phases. These …
WEBAmalgam means any material that contains mercury as the main ingredient on its composition. A specific combination based on the mixture of silver-tin alloy with mercury …
WEBAfter excess mercury has been expressed from amalgam, mulling in a rubber thumbstall will restore plasticity. The setting of amalgam commences as soon as trituration is …
The effect of trituration time on the mechanical properties of four ...
WEBMar 1, 1989 · Variation in trituration time has been reported to affect creep, compressive strength, and dlametral tensile strength in various amalgams. Recent classification of …
WEBThis study was designed to investigate the effect of mixing speed on the setting rate of nine representative high-copper amalgams. Several methods of measuring the setting rate of …
Tooth Preparation for Amalgam Restoration | Pocket Dentistry
WEBFeb 12, 2015 · STEPS OF AMALGAM RESTORATION. • Selection of Amalgam Alloy. • Mercury Alloy Ratio. • Trituration. • Mulling. • Application of Matrix Band. • Insertion of …
WEBAn amalgam mass can be triturated in a mechanical amalgamator so that the amalgam contains a near-optimum ratio of less than 50 per cent mercury. Amal gam triturated in …
WEBTrituration: This capsule system is recommended for use only in a high energy amalgamator. Variations in machines and voltage may require you to adjust actual …
The trituration of dental amalgam - ScienceDirect
WEBJan 1, 1993 · The progress of the entire trituration process which takes place in an oscillating dental amalgam capsule was recorded using high speed motion picture …
The Dental Amalgam Toxicity Fear: A Myth or Actuality
WEBUnreacted alloy particles of silver-tin are considered as gamma phase. These particles combine with mercury and form a matrix consisting of gamma-1 (Ag 2 Hg 3) and gamma …
5. Dental Amalgam | Pocket Dentistry
WEBJan 1, 2015 · Trituration. In general, an amalgam is a mixture of a metallic element with the liquid element mercury. Dental amalgam is a mixture of a silver alloy with mercury. …
The effect of trituration time on the mechanical properties of four ...
WEBMar 1, 1989 · Variation in trituration time has been reported to affect creep, compressive strength, and diametral tensile strength in various amalgams. Recent classification of …
Amalgam | Pocket Dentistry
WEBFeb 11, 2020 · 1. Differentiate between an amalgam alloy and a dental amalgam. 2. Compare the composition of conventional and high-copper dental amalgams. 3. …
The trituration of dental amalgam - ScienceDirect
WEBJan 1, 1993 · The incorporation of alloy powder into small droplets of mercury during the first 75 cycles of trituration and their subsequent agglomeration into a single pellet are …
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