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Since its advent, the dental CAD/CAM system has evolved to completely revolutionise the way of practicing restorative dentistry. Dental CAD/CAM system is approaching 20 years of clinical experience and has a proven track record on all relevant aspects of clinical performance including fit, longevity, survival rates, sensitivity, strength and wear of the restorations. In the present scenario, it plays an important role in treatment planning, impression making as well as design and manufacturing of highly esthetic restorations. It holds a promising future and is likely to become an integral...

Microleakage is an important topic in dentistry.Numerous laboratory studies have found that microleakage is usually unavoidable whilst clinical studies report substantially less pessimism about the sealing ability of dental restorations. This work is presented on various forms of leakage in dental restorations and endodontics, distinguishing leakage, micro-leakage and nano-leakage. The phenomena, causes and methods to reduce leakage are described and the clinical relevance of in vitro and in vivo leakage studies evaluated and their usefulness and reliability.

This research touches the latest aspects of the dental caries. Since the time caries were understood there has been an upgradation in the methodology for prevention, diagnosis and treatment of the carious lesion. Lately more stress is given to prevent caries rather than extensive treatment. Technology has given birth to a plethora of diagnostic tools as well as methods of prevention. However, the upgradation has neither ended nor will ever do. Combined efforts of all of us can one day lead us to an era where there are no caries.