FIELD: medicine.
SUBSTANCE: invention relates to medicine, in particular to stomatology ad can be used for determining resistance of hard tooth tissues to abrasion. Method of lifetime measurement of tooth tissue hardness lies in pressing indenter with set force and simultaneous measurement of depth of its penetration, with further converting measured depth values into units of hardness according to graduating data. Indenter is made conical with angle at top 70-100 degrees, force of pressing being within the range 3-10 newton.
EFFECT: increase of accuracy of measurement of tooth tissue hardness.
2 dwg
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