Plastic and nonmetallic article shaping or treating: processes – Dental shaping type – Denture forming
Patent
1978-04-24
1980-03-25
Hoag, W. E.
Plastic and nonmetallic article shaping or treating: processes
Dental shaping type
Denture forming
264 36, 264157, 264219, 264222, 264225, 264255, 264261, 264313, 264338, 433167, A61C 1304, B29C 500, B29D 900
Patent
active
041950470
ABSTRACT:
Using a highly flowable silicone putty which can be combined with catalysts to set, dentures can be repaired and modified by flowing the putty onto the dentures, allowing it to set while in intimate contact therewith, removing the dentures from the set putty for effecting changes, and subsequently reinserting the dentures in the set putty to effect any necessary changes, modifications or repairs. Prior art practices often used dental stone which had to be chipped away from the dentures when effecting repair or modification. Methods of repairing and modifying dentures herein described involve the steps of forming a flowable mass of moldable, settable silicone putty which has been mixed with a catalyst to cause it to progressively set, molding said putty to a denture surface and allowing it to set while in intimate contact with said denture, thereafter extracting said denture from said putty by flexing the latter, effecting the necessary changes to said denture and subsequently replacing said denture in said set putty by flexing the latter to obtain the proper positioning thereof for effecting any necessary changes and repairs.
REFERENCES:
patent: 4017971 (1977-04-01), Hazar
patent: 4080412 (1978-03-01), Colpitts et al.
patent: 4094067 (1978-06-01), Hazar
Drennan Herman R.
Hana Norman A.
Hoag W. E.
Strabala Joseph L.
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