| product_name | Triethyleneglycol dimethacrylate |
| CAS_number | 109-16-0 |
| formula | C14H22O6 |
| molar_mass | 286.32 |
| density | 1.10 g/cm³ |
| boiling_point | 230-240°C |
| melting_point | <0°C< /td> |
| flash_point | 134°C |
| viscosity | 7-10mPa.s |
| refractive_index | 1.4590 |
| solubility_in_water | Practically insoluble |
| vapor_pressure | <0.01 mmHg at 20°C |
| appearance | Colorless liquid |
| odor | Slight characteristic odor |
What is Triethyleneglycol dimethacrylate (TEGDMA)?
Triethyleneglycol dimethacrylate
(TEGDMA) is a commonly used chemical compound in the field of dentistry, especially in the
production of dental materials such as composite resins. It is a viscous liquid that is
colorless and odorless, making it ideal for use in dental applications.
How is TEGDMA
used in dentistry?
TEGDMA is used as a crosslinking agent in dental composite resins,
which are tooth-colored materials used for filling cavities, repairing chipped or broken
teeth, and other dental restorations. It helps to create a durable and long-lasting bond
between the dental material and the tooth structure.
What are the advantages of using
TEGDMA in dental composite resins?
TEGDMA offers several advantages in dental composite
resins, including excellent mechanical properties, good biocompatibility, and low shrinkage
during polymerization. It also provides a high degree of conversion from its monomeric form
to a polymer, ensuring a strong and stable dental restoration.
Are there any safety
concerns associated with TEGDMA?
While TEGDMA is considered safe for use in dental
materials, there have been some concerns raised about its potential toxicity. Studies have
shown that TEGDMA can cause irritation to the skin, eyes, and respiratory system. However,
proper handling and precautions can minimize the risks associated with this chemical
compound.
Can TEGDMA be used in other applications besides dentistry?
Yes, TEGDMA
has applications beyond dentistry and is used in various industries such as adhesives,
coatings, and sealants. Its ability to form strong bonds and provide good mechanical
properties makes it a versatile ingredient in different formulations.
What is the
polymerization process of TEGDMA?
Polymerization of TEGDMA occurs when the monomer
molecules join together to form a larger polymer chain. This process is typically initiated
by a catalyst or a light source, such as a dental curing light, which triggers the
crosslinking of the monomers to create a solid material.
How does TEGDMA contribute
to the properties of dental composite resins?
TEGDMA plays a crucial role in determining
the mechanical, physical, and esthetic properties of dental composite resins. Its presence
influences the degree of conversion, polymerization shrinkage, water absorption, and wear
resistance of the final dental restoration.
Is TEGDMA compatible with other dental
materials?
TEGDMA is compatible with a wide range of dental materials, including other
monomers, fillers, and bonding agents commonly used in composite resins. It provides good
adhesion to tooth structure and enhances the overall performance of the dental
material.
What are the future trends in the use of TEGDMA in dentistry?
As
technology advances and new research emerges, the use of TEGDMA in dentistry is expected to
continue evolving. Future trends may focus on improving the biocompatibility, antimicrobial
properties, and esthetic characteristics of dental composite resins containing TEGDMA.
Additionally, efforts may be made to address any safety concerns associated with this
chemical compound through innovative formulations and manufacturing processes.
In
conclusion, Triethyleneglycol dimethacrylate (TEGDMA) is a valuable ingredient in dental
composite resins, offering numerous benefits in terms of mechanical properties,
biocompatibility, and durability. Its versatility and compatibility with other dental
materials make it an essential component in modern restorative dentistry. As the field of
dentistry continues to advance, TEGDMA is expected to play a crucial role in the development
of new and improved dental materials for various clinical applications.
