French influences on the thought of Sigmund Freud.
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History, Modern 1601-↗
Biomedical subjects
T T Lewis
Publications and source records attributed to T T Lewis.
Fatigue test machine for denture base polymers.
A description of a single station fatigue test machine suitable for denture base polymers is given. This machine has been especially designed for dental purposes. A group of representative denture base polymers has been tested, which includes dental poly(methylmethacrylate) of the standard heat polymerized type, autopolymerizing pour type and a heat polymerized rubber graft polymer. These materials were compared and some preliminary results are given. These show that the rubber demonstrated the most satisfactory fatigue life and the pour types were least satisfactory.
Dental Stress Analysis↗
Meningeal reaction to starch powder in the cerebrospinal fluid.
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Gloves, Surgical↗
The development of an abrasion testing machine for dental materials.
Wear testing should be an important part of the investigation into the physical and mechanical properties of some dental materials. It has, however, largely been ignored because of conflicting and unreproducible results. It was decided, therefore, to review the work done by other researchers and to examine the human masticatory cycle, and then present new parameters to design and construct a new dental abrasion testing machine. This new machine is described in detail and its capabilities briefly illustrated.
Dental Materials↗