enamel rod

enamel rod

n.

Any of several calcified, microscopic rods radiating from the surface of the dentin and forming the substance of tooth enamel.

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rod,

n a straight, slim, cylindric form of material, usually metal.

rod, analyzing,

n the vertical part of a dental cast surveyor that is brought into contact with the surface contour of a tooth as a tangent related to a curve. It is used to determine the relative parallelism of one surface of a cast to other surfaces of the same cast. It is also used to estimate the cervical convergence of an infrabulge area of a tooth as it slopes from the contacting point of the surveying rod toward the cervical line, permitting evaluation of the retentiveness of the surface.

rod, condyle,

n the adjustable pointers of a face-bow, which are placed over the condyles or at points on the face to mark the opening axis of the mandible.

rod, enamel,

n a calcified column or prism, with an average diameter of 4 microns; extends in a wavy pattern through the entire thickness of the enamel and is generally perpendicular to the surface of the tooth.