Because shade matching is subjective, consistency is difficult to achieve. Considerable variation exists among dentists . Some dentists are unable to duplicate even their own shade selection from one patient to the next. Fortunately, a lifelike restoration does not have to be an exact color duplicate of the adjacent or contralateral teeth. It should, however, blend with the teeth as a result of the distribution of ceramic materials in the restoration. Shade selection can be improved by applying the principles of light and color and dental ceramic techniques.
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