SUMMARY
The vertical preparation technique is used in dentistry for aesthetic and biologically oriented prosthetic treatment, mainly for crowns and veneers. It preserves tooth structure by working at the level of the gingiva or slightly below it, creating a smooth interface that promotes better healing and harmony with the surrounding tissues. This approach ensures the longevity of restorations and a natural appearance, especially when combined with the BOPT (Biologically Oriented Preparation Technique) concept. Zirconium dioxide is one of the strongest materials used for crown fabrication. It is four times stronger than conventional ceramics while not inferior in terms of aesthetic properties. When prosthetic treatment of anterior teeth is required in cases of periodontal disease, dentists often recommend zirconia crowns. A major advantage of this material is its ability to prevent bacterial accumulation near the gingiva. Another important aspect is that tooth reduction is significantly less compared to crowns made from other materials. The article presents clinical research data confirming the effectiveness of zirconia crowns in the treatment of patients with periodontitis, as well as the results of using the Vertiprep technique in combination with such crowns.
Keywords: zirconia crowns, periodontitis, Vertiprep technique

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