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BACKGROUND Dental composites are one of the most desired restorative materials today. Composite materials can be bonded successfully to human tooth enamel; however, developing the same degree of adhesion to dentin or cementum is a more challenging task. Polymerization contraction stress of dental composites is often associated with marginal and interfacial(More)
BACKGROUND Periodontal diseases affect more people all over the world than dental caries. Increase in size of gingiva is known as gingival hyperplasia or gingival enlargement. Gingival swelling is almost universally the result of Fluid accumulation within the tissues. Enlargement and even aesthetically disfiguring over growth of the gingival tissue, is also(More)
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