C o p y r i g h t b y N o t f o r Q u i n t e s s e n c e Not for Publication 190 THE EUROPEAN JOURNAL OF ESTHETIC DENTISTRY UMMER CASE REPORT Full-mouth Oral Rehabilitation in a Titanium Allergy Patient Using Zirconium Oxide Dental Implants and Zirconium Oxide Restorations. A Case Report from an Ongoing Clinical Study. Xavi Oliva, DDS, MSc Josep Oliva, DDS, MSc Josep D Oliva, PhD