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Today, people are quite aware regarding the appearance and position of their teeth. They want to have perfectly erect, even and whitish teeth. So, what they expect from their artificial tooth is that they would replicate the natural ones in appearance as well as in strength. Initially, metal substructure was used to replace the missing tooth which at times resulted in grey discoloration on top of the gum line making them appear quite unpleasant. Therefore, this technique of tooth replacement and restructure was developed in which ceramic core was pushed in order to create the crown. These all-ceramic crowns, without any metal touch provide high degree of customisation. Staining and blemish can be rectified with the help of ceramic substructures. Moreover, the porcelain over the crown unites better with ceramic instead of a metal core and leads to a well-built bonded crown.

Dental ceramics is helpful in repairing the teeth and even replacing them if required with their substitutes like metals, or other substances capable enough to provide them strength (Zohairy & Feilzer, 2005) to endure routine wear and tear and possessing similar physical properties as the natural one (Noort, 2002). Ceramics have become quite acceptable alternative for such procedures due to its consistency, natural appearance and attractiveness when used in place of a natural dental crown (Albakry, et al., 2003). But, ceramics are inclined to be frail and therefore are not a permanent solution for the patient and often they break down when significant burden is put on the teeth by the patient (Guess et. al., 2009).

With one absent tooth, the best alternative would be to get a dental crown placed over a dental implant which would provide strong foundation to the dental crown and it would also function like the absent tooth.  A dental implant present on the top of natural root offers better support and a natural appearance. If many teeth are absent, then the dentist will suggest a dental bridge with multiple options available to the patient. Besides giving the teeth a natural look, a dental bridge helps to stabilise the teeth beside the absent teeth and makes the smile of the patient more pleasant. It also checks the shrinking of the jawbones due to the reduction in the size of the jaw.

The dentists are required to obtain an informed consent of the patient regarding before applying all-ceramic restorations. The primary reasons for the failure of the all-ceramic restorations may be interior splits, erroneous ceramic layers, structure of the oral cavity or teeth and deterioration in the material caused due to excessive heat or cold.

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