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Feature
1 Gum Protection: Avoid gums to be hurt, prevent the collapse of the gums.2 provide beauty: especially anterior teeth, can play the role of aesthetics.
3 protect the pulp: isolate the damage of various of physical and chemical stimuli on the pulp .
4 stable teeth: to prevent the shifting of preparation teeth . masticatory function: the case of multiple dental restoration can provide some chewing function.
5 diagnostic role: provide diagnostic information for dental aesthetics, occlusal relationships finalization .