Trimming Casts Youtube This video demonstrates trimming of master casts for complete dentures. diagnostic casts can be trimmed similarly, but don't require the land area.dalhousie. In this video jay walls discusses how to trim a cast with the trimmer and arbor band.
Tay S Cast Trimming Youtube Hold the cast firmly as you trim& flatten base of the cast. care must always be observed to avoid switch on the cast trimmer as well as the water source. hold the cast firmly as you trim. The cast should be ½ inch thick. trim the sides of the cast so that there is an even 4 6 mm of land around the cast. trim the land with a burr or sharp knife and reduce so that the depth of the peripheral roll is 2 3 mm throughout. trimming the cast; 19. trim master casts. the base should be no thicker than 15 20 mm. if the base is too thick. Trim the sides of the posterior region of the mandibular cast so they are similar to the sides of the maxillary cast. allow 3 5 mm of space beyond the facial surfaces of the teeth on the cast. 9. trim the anterior portion of the mandibular cast to form an arc or a rounded area from the first premolar to the first premolar. If an ultra fine surface is desired, 400 grit wet dry sandpaper under water, followed by 600 grit wet dry sandpaper with water will soften and smooth the surface. we need to keep in mind that the model trimmer’s function is to reduce and flatten the stone surface and is not the end of the process for a super fine surface.
Cast Separation Remove From Alginate Impression Trimming Diagnostic Trim the sides of the posterior region of the mandibular cast so they are similar to the sides of the maxillary cast. allow 3 5 mm of space beyond the facial surfaces of the teeth on the cast. 9. trim the anterior portion of the mandibular cast to form an arc or a rounded area from the first premolar to the first premolar. If an ultra fine surface is desired, 400 grit wet dry sandpaper under water, followed by 600 grit wet dry sandpaper with water will soften and smooth the surface. we need to keep in mind that the model trimmer’s function is to reduce and flatten the stone surface and is not the end of the process for a super fine surface. The sleeves are then slid onto the dowels. next, orientation grooves are added to the cast, a separating medium is applied, and a base is poured with a type iv dental stone. right: after the base has hardened, the cast of the dental arch is removed from it. saw cuts are made in the cast to just short of the proximal contacts (caution!), then. Vibrate the mixing bowl and remove the mixing blade from the metal bowl, and vibrate the mixed plaster from the blades into the bowl. remove the alginate impressions from the plastic bag and rinse them under cool running water to remove disinfectant and debris. shake out excess water. the surface of the impre >.
Trimming The Cast And Pindexing Youtube The sleeves are then slid onto the dowels. next, orientation grooves are added to the cast, a separating medium is applied, and a base is poured with a type iv dental stone. right: after the base has hardened, the cast of the dental arch is removed from it. saw cuts are made in the cast to just short of the proximal contacts (caution!), then. Vibrate the mixing bowl and remove the mixing blade from the metal bowl, and vibrate the mixed plaster from the blades into the bowl. remove the alginate impressions from the plastic bag and rinse them under cool running water to remove disinfectant and debris. shake out excess water. the surface of the impre >.
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