A jacket crown, also known as a dental crown or tooth crown, is a type of dental restoration which completely encircles a tooth or dental implant. It is typically bonded to the tooth using a dental cement. Jacket crowns are often used when a large cavity threatens the health of a tooth. They are typically made from materials such as porcelain or metal.
Catherine wheel
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Same as Rose window and Wheel window. Called also Catherine-wheel window.
Catherine wheel meaning & definition 1 of Catherine wheel.
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