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  2. Dental impression - Wikipedia

    en.wikipedia.org/wiki/Dental_impression

    A custom dental model or plaster cast. A dental impression is a negative imprint of hard and soft tissues in the mouth from which a positive reproduction, such as a cast or model, can be formed. It is made by placing an appropriate material in a dental impression tray which is designed to roughly fit over the dental arches.

  3. Multi-material injection molding - Wikipedia

    en.wikipedia.org/wiki/Multi-material_injection...

    Multi-material injection molding (MMM) is the process of molding two or more different materials into one plastic part at one time. [1] As is the case in traditional injection molding, multi material injection molding uses materials that are at or near their melting point so that the semi-liquidous material can fill voids and cavities within a pre-machined mold, thus taking on the desired ...

  4. Micro injection molding - Wikipedia

    en.wikipedia.org/wiki/Micro_injection_molding

    An all-electric injection unit with 14 mm screw to inject the polymer melt into the mold; Arburg developed a micro injection molding machine with an 8 mm injection to ensure high degree of dosing precision. This type of machine is combined with a second screw, which is responsible for melting and homogenous mixing of the material. [2]

  5. Injection mold construction - Wikipedia

    en.wikipedia.org/wiki/Injection_mold_construction

    Injection mold construction is the process of creating molds that are used to perform injection molding operations using an injection molding machine. These are generally used to produce plastic parts using a core and a cavity. Molds are designed as two-plate or three-plate molds, depending on the type of component to be manufactured.

  6. Polymer solution casting - Wikipedia

    en.wikipedia.org/wiki/Polymer_solution_casting

    The polymer solution casting process utilizes a mandrel, or inner diameter mold, that is immersed in a tank of polymer solution or liquid plastic that has been specifically engineered for the process. Due to a combination of thermal and frictional properties, the polymer solution then forms a thin film around the mold. [1]

  7. Ceramic mold casting - Wikipedia

    en.wikipedia.org/wiki/Ceramic_mold_casting

    It is a combination of plaster mold casting and investment casting. [2] [3] There are two types of ceramic mold casting: the Shaw process and the Unicast process. [4] These casting processes are commonly used to make tooling, especially drop forging dies, but also injection molding dies, die casting dies, glass molds, stamping dies, and ...

  8. How to Make a Jell-O Mold That Comes Out Perfect

    www.aol.com/jell-o-mold-comes-perfect-150003594.html

    Use hot water to remove a stubborn Jell-O mold: If your mold isn’t releasing from the pan, set the mold in a pan of hot water for 10 seconds and try to remove it again. Repeat the process until ...

  9. Crown (dental restoration) - Wikipedia

    en.wikipedia.org/wiki/Crown_(dental_restoration)

    Once the tooth in question has been prepared with acceptable dimensions, it is equally important to make an accurate and dimensionally stable record or impression of the preparation or dental implant, surrounding hard and soft tissues as well as the opposing dental arch so that the restoration created will conform to the required dimensions and ...