Preventive dentistry occupies a leading position in developed societies; With efforts to prevent tooth decay and the trend towards more protective practices, the importance given to aesthetics by patients and dentists has also increased.  Aesthetic restorations that have been long time the  second plan in functional dentistry, mainly in the anterior region, are also questioned in posterior teeth and have become coveted by both  the patient and the dentist. For this reason, materials and construction techniques are constantly being improved in today's cosmetic dentistry. Dentists, beside the general dental practice,  have began offering cosmetic dentistrty as an alternative treatment for patients.