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Results for “Tooth, Artificial”

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At least 37 records · Page 2Linked to original sources
PubMed1975

Continuous monitoring of pH and Eh in bacterial plaque grown on a tooth in an artificial mouth.

Apparatus which enables the simultaneous continuous monitoring of pH and Eh of bacterial dental plaque as it develops on a tooth surface in an artificial mouth is described. Details of the electrodes used, monitoring equipment, and culture conditions are given. Preliminary results are given showing the Eh and pH values of plaque produced in vitro to be in close agreement with readings reported for plaque in vivo. The effect of the incorporation of 1 per cent sucrose in the medium on these parameters is reported and a distinct inverse relationship between pH and Eh recorded.

Corynebacterium↗
PubMed1976

Masticatory function - a review of the literature. III. Masticatory performance and efficiency.

A review and evaluation of the literature on mastication has been undertaken. Part I discusses the form of the masticatory cycle in the natural and artificial dentitions, including the controversial question of whether tooth contact occurs during function. Part II reviews the literature concerning the speed of movement of the mandible, rate of chewing, and the forces developed in chewing. Part III describes masticatory efficiency and performance, the effect of food on masticatory function, and incorporates a summary of all these three papers.

Adaptation, Physiological↗
PubMed1978

The geometric theory of selection of artificial teeth: is it valid?

The study was done to determine the validity of William's geometric theory of tooth selection. The maxillary central incisors of 31 subjects were radiographed and photographed; casts were made of the maxillas; and the subjects' faces were photographed. Three dentists classified the form of the maxillary central incisors as shown by intraoral photographs, radiographs made by the parallelling technique, and casts, and also classified the form of the face from frontal-view photographs. The data collected were reduced by an electronic computer to determine if a correlation exists. There was no correlation between the form of the face and the form of the maxillary central incisors.

Cephalometry↗