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Show Dentiitry Advancement The Revolutionary war saw the Introduction In-troduction to America of dental plates made from actual wax molds of the mouth. Joseph I.eniaire. a Frenchman, cauie to this country with Count Itorhambeau and while wintering with the Continental army at Providence. It. I.. In 1TM-S2. taught Josiah Flags how to iiiHiuifactine the contrivances. It was not until lsix) that James Gar-dette, Gar-dette, another Frenchman, wlio had come to Philadelphia In 17TS. discovered discov-ered a way to hold plates In the mouth ' by means of vacuum. Previously they had been hinged, or kept in place by springs. |