JPH0240964Y2 - - Google Patents

Info

Publication number

JPH0240964Y2

JPH0240964Y2 JP2841985U JP2841985U JPH0240964Y2 JP H0240964 Y2 JPH0240964 Y2 JP H0240964Y2 JP 2841985 U JP2841985 U JP 2841985U JP 2841985 U JP2841985 U JP 2841985U JP H0240964 Y2 JPH0240964 Y2 JP H0240964Y2

Authority

JP

Japan

Prior art keywords

denture base

flask

molding material

sprue hole

space

Prior art date

1985-02-27

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

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• 239000012778 molding material Substances 0.000 claims description 24
• 238000012790 confirmation Methods 0.000 claims description 23
• 239000011505 plaster Substances 0.000 claims description 10
• 238000000465 moulding Methods 0.000 claims description 4
• 238000010137 moulding (plastic) Methods 0.000 claims 1
• 229920003229 poly(methyl methacrylate) Polymers 0.000 description 30
• 239000004926 polymethyl methacrylate Substances 0.000 description 30
• 239000011347 resin Substances 0.000 description 28
• 229920005989 resin Polymers 0.000 description 28
• 241000209094 Oryza Species 0.000 description 17
• 235000007164 Oryza sativa Nutrition 0.000 description 17
• 235000009566 rice Nutrition 0.000 description 17
• 238000001746 injection moulding Methods 0.000 description 8
• 238000002347 injection Methods 0.000 description 7
• 239000007924 injection Substances 0.000 description 7
• 239000000463 material Substances 0.000 description 7
• 230000008602 contraction Effects 0.000 description 3
• 238000000034 method Methods 0.000 description 3
• 229920003023 plastic Polymers 0.000 description 3
• 239000004033 plastic Substances 0.000 description 3
• VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
• 210000001909 alveolar process Anatomy 0.000 description 2
• 238000009835 boiling Methods 0.000 description 2
• 239000013013 elastic material Substances 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 238000007711 solidification Methods 0.000 description 2
• 230000008023 solidification Effects 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000000903 blocking effect Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 210000001847 jaw Anatomy 0.000 description 1
• 238000004898 kneading Methods 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 230000018984 mastication Effects 0.000 description 1
• 238000010077 mastication Methods 0.000 description 1
• 239000000178 monomer Substances 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 238000006116 polymerization reaction Methods 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 238000003825 pressing Methods 0.000 description 1