CATEGORY AUSTRALASIAN DENTIST 77 CLINICAL Dr. Victor Henarejos is an Assistant Professor in the Department of Restorative Dentistry at the School of Dentistry, Universitat Internacional de Catalunya, Spain, and a visiting faculty member at the School of Dentistry, Universidade Católica Portuguesa, Portugal. Dr. Henarejos earned his DDS from Universitat de Barcelona (2010–2015), a postgraduate diploma in Endodontics (2015–2016), and an MSc in Aesthetic Restorative Dentistry from Universitat Internacional de Catalunya (2017–2019). He is an ordinary affiliate member of organisations such as the Accademia Italiana di Odontoiatria Conservativa e Restaurativa (AIC), Sociedad Española de Prótesis Estomatológica y Estética (SEPES), Sociedad Española de Odontología Conservadora y Estética (SEOC), and Asociación Española de Endodoncia (AEDE). Dr. Henarejos has contributed to research in dentistry, publishing in journals like the Journal of Prosthetic Dentistry and the Journal of Esthetic and Restorative Dentistry. You can view his work on ORCID: https://orcid.org/0000-0001-72150292. In addition to his academic pursuits, Dr. Henarejos runs a private practice in Barcelona. He can be contacted via email at victor.henarejos@uic.es or Instagram at @victor.henarejos. Figure 4 Placement of the Quad Matrix System pressure rings. Two different ring sizes are chosen because the cavities vary in height. The driver tip of the Quad ring, indicated by the arrow on top of the tip, must be placed on the same side as the split end of the Quad wedge. This allows the ring to interact effectively with the two differently contoured areas of the teeth, securing the matrix band and minimising excess material. Figure 5 It is recommended to place all the matrices at once to ensure proper distribution of interproximal spaces, but the cavities are restored independently to achieve a better finish and tighter contact points. Generally, it is better to restore the cavities located at the outermost ends first. This approach allows for independent and more accurate polishing and finishing. In this case, the mesial side of the first molar and the distal side of the first premolar were restored first. Afterward, the Quad Matrix System was removed to verify and refine the obtained proximal contour. Figure 6 Finally, only the distal cavity of the second premolar was restored, following the same protocol. By sequencing the restoration of the cavities, the Quad Matrix System can be used more effectively, reducing errors and, consequently, the time needed for polishing and finishing. Figure 7 Occlusal view of the final restorations after the final polishing and finishing. Conclusions: With the Quad Matrix System, you can achieve predictable, high-quality results while significantly reducing chair time, making it a must-have for Class II restorations. The Quad Matrix System is a unique and revolutionary solution for addressing the challenges of Class II restorations, especially in back-to-back Dr. Henarejos can be contacted via email at victor.henarejos@uic.es or Instagram at @ victor.henarejos. cases. By simplifying the process and reducing chair time, this system empowers dental professionals to deliver exceptional results with consistency and efficiency. u VISIT BOOTH #112 CEMENTATION. THE THERA WAY. Self-Adhesive Resin Cement Footer Ads #107 Designs.indd 5 4/02/2025 4:14:32 PM
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