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In the last few decades, there have been tremendous advances in the mechanical properties and methods of fabrication of ceramic materials. While porcelain-based materials are still a major component of the market, there have been moves to replace metal ceramics systems with all ceramic systems. Advances in bonding techniques have increased the range and(More)
BACKGROUND Stress classically describes a destructive notion that can have a bearing on one's physical and mental health. It may also add to an increased propensity to periodontal disease. AIM To investigate the association between psychological stress and serum cortisol levels in patients with chronic periodontitis. MATERIALS AND METHODS Forty subjects(More)
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