Esthetic rehabilitation with zirconia - based shell crowns : a case report . Case Report Open Access
نویسندگان
چکیده
A 50-years old female patient presented for treatment of the anterior maxillary teeth that had been restored repeatedly in the past with direct resin composite restorations. The treatment plan for this patient included all-ceramic shell crowns on all anterior maxillary teeth and the premolars. Shell crowns were selected as the treatment option to ensure optimum esthetic result with increased strength on the cervical areas. A knife edge margin was created circumferentially on all prepared teeth. All-ceramic frameworks were fabricated from zirconium oxide and veneered in the layering technique. Full coverage zirconiabased ceramic crowns with knife edge preparations (shell crowns) can offer a good esthetic result with minimum tooth preparation combining strength and could be considered as a treatment option in selected clinical cases. ISSN 2471-657X
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