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these are the surfaces on a tooth, which are in contact with the adjacent teeth. there are 2 proximal surfaces, namely mesial and distal. the former is towards the midline and the latter is away from the midline.
yes
At the ends, adjacent to the articulating surfaces.
The proximal surface is the acromion of the scapula while the distal part is the head of the humerus.
yes, it's true
Newton's rings is a phenomenon when an interference pattern is created by the reflection of light between two surfaces. The surfaces are a spherical surface and an adjacent flat surface.
A human bladder neck is a constricted portion of the urinary bladder, which is formed by the meeting of its inferolateral surfaces proximal to the opening of the urethra.
it is called a 'dike'
In the front of the mouth, the biting surfaces are referred to as incisal edges. In the back of the mouth, the biting surfaces are reffered to as occlusal surfaces (occlusion is a dental term for how the teeth come together).
Class IVFound on the proximal surfaces of incisors and canines, but also will involve the incisal edge.
Dental floss
faces in geometry normally means planes or the surfaces of the structure referred. for example : a cube has six faces since externally 6 surfaces or planes can be seen .