contact surface


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surface

 [sur´fas]
the outer part or external aspect of a solid body; called also facies.
buccal surface the vestibular surface of the molars and premolars, which faces the cheek.
contact surface proximal surface.
distal surface the surface of a tooth that is farthest from the midline of the dental arch, opposite to its mesial surface.
facial surface vestibular surface.
incisal surface the cutting edges of the anterior teeth, the incisors and canines, which come into contact with those of the opposite teeth during protrusive occlusion. See also occlusal surface.
labial surface the vestibular surface of the incisors and canines, which faces the lips.
lingual surface the surface of a tooth that faces inward toward the tongue and oral cavity, opposite the vestibular surface; called also oral surface.
masticatory surface occlusal surface.
mesial surface the surface of a tooth that is closest to the midline of the dental arch, opposite to its distal surface.
occlusal surface the surface of the teeth that comes in contact with those of the opposite jaw during occlusion; called also masticatory surface.
oral surface lingual surface.
proximal surface (proximate surface) the area where the mesial surface of one tooth touches the distal surface of another; called also contact area or surface.
vestibular surface the surface of a tooth that is directed outward toward the vestibule of the mouth, opposite to the lingual surface; see also buccal surface and labial surface. Called also facial surface.

contact surface

The surface where two normally adjacent teeth come into contact with each other on the mesial or distal sides.
Synonym: proximal surface
See also: surface
References in periodicals archive ?
As shown in Figure 2, [d.sub.[sigma]] is the penetration distance, that is, the signed distance from the contact node to the contact surface, with the contact surface's normal vector [[??}.sub.csf], which is computed by
It can be noted that the contact surface is slipping in a creep form.
Quantitative estimation of the deformation of the contact surface was carried out by monitoring the deflection of the interference fringes of the so-called zero-order band.
Figure 5 shows the normal contact stress distribution on the contact surface. The contact stress in the contact section end appeared "edge effect" but the distribution of the contact stress in the contact section intermediate parts is more uniform.
The median articular contact surface area of the biceps tendon (with interquartile range) was 507 (391, 752) [mm.sup.2] in neutral position and 189 (139, 368) [mm.sup.2] in abduction.
The error in the linear extrapolation results is rather negligible in comparison with those associated with the other methods as the experimental temperatures are used directly and the spatial measurements are extremely close to the contact surface. It is obviously clear in Fig.
where [d.sub.1] is the diameter of the contact surface. This equation relates the smaller diameter and the greater diameter with final height.
Kalker's (1973, 1978) equation based on the dimensions of the contact surface (E--Young's modulus; a--major semi axes of contact ellipse; b--minor semi axes of contact ellipse):
The Advantage 200 combines an acetal plastic contact surface with a backbone of rigid stainless steel rods for superior beam strength.
The drive unit can be rotated as well as moved longitudinally; and the PS1 can measure upside down, mounted on a surface plate or measuring stand, or perpendicular to the contact surface with an optional end face vee-block.
It's 100 percent food contact surface safe, meaning the product is both innocuous and non-toxic in nature and appropriate for indirect exposure to surfaces that food may come in contact with such as utensils, pots, pans, cutting boards, etc.
For instance, the brushes' bristles, which are a ten-thousandth the diameter of those of a toothbrush, are jammed together so densely that a nanotube brush head packs about 1,oo0 times as much contact surface area into each cubic micrometer as does a conventional toothbrush head, Cao says.