Greene brothers' clinical course in dental prosthesis : in three printed lectures; new and advance-test methods in impression, articulation, occlusion, roofless dentures, refits and renewals / by Jacob W. Greene.

  • Greene, Jacob W. (Jacob Wesley), 1839-1916.
Date:
[1914], ©1914
Catalogue details

Licence: Public Domain Mark

Credit: Greene brothers' clinical course in dental prosthesis : in three printed lectures; new and advance-test methods in impression, articulation, occlusion, roofless dentures, refits and renewals / by Jacob W. Greene. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    another direction. I'll further help her up in the 2^opular anatomical world. Watch me close this time. THE FORWARD BITE MOVEMENT. I '11 take a small, parallel=round mouse-tail file, the size of a 6*penny nail, and make a small condyle path, or slot, running out from each one of the four cross-bar holes, at regulation angle; on both sides of the articulator, of course. These slots extend out about one-sixteenth of an inch from the main cross-bar holes; those in the upper jaw extending forward and those in the under jaw rearward. The two condyle slots (a i)air) together in action give the lower jaw a range=reach of, say, one^eighth of an inch; or more, if wanted. And as much more as you Mant, according to depth of slot. So with a still smaller nail, a 6=penny, that will move in the newly provided condyle path. ' she can now reach out and bite cud to on her front teeth—^like Suz^an ]Moriah could. We peep imder and see that our 'compen- sating curve. made for other purposes, and incidentally for this occasion, is intact. The rear molars still hit together automatically. By further extending our little-nail slots, 3Iad- am Plain=Liner could make just as exaggerated protruding movements as any of her competi- tors. But she doesn't care to distort merely to show off possibilities. EACH MOUTH ITS OWN ARTICULATOR IN THE FINIS FURTHER ILLUSTRATED. Well, now, if we want the exquisite of nat- nral anatomical occlusion, we'll first finish the upper set; and then take the lower set (which