Bridge (dentistry) - Wikipedia, The Free Encyclopedia
When a single tooth requires a crown, the prosthetic crown will in most instances rest upon whatever tooth structure was originally supporting the crown of the natural tooth. However, when restoring an edentulous (without teeth) ... Read Article
Bevel Gear - Wikipedia, The Free Encyclopedia
Bevel gear lifts floodgate by means of central screw. Bevel ring gear on the rear wheel of a shaft pitch angles of exactly 90 degrees have teeth that point outward parallel with the axis and resemble the points on a crown. Tooth shape for bevel gears is determined by scaling spur gear ... Read Article
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