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CEMENTATION PROTOCOL IN LAMINATE VENEER RESTORATIONS

Purpose: The aim of this study is to explain in detail the adhesion rules, cementation protocol and clinical, practical work of the porcelain laminate veneer (PLV) we produced from lithium disilicate (LDS) (E-max, ivoclar vivadent Schaan, Liechtenstein) material to our patient who came to our clinic with aesthetic complaints. Case Report: A 32-year-old female patient came to Istanbul Aydın University Faculty of Dentistry, Department of Prosthodontics, because she was dissatisfied with her old composite restorations in the anterior maxilla due to aesthetic and functional complications (coloration, marginal maladaptation, microleakage, sensitivity). As a result of clinical examination, old, discolored, and long-term composite filling restoration failures were detected in teeth 11 -21 of the patient. A PLV was planned for teeth 11-21 by making a vertical preparation of maximum 0.5 mm, slightly rounded, beveled outer edge (minimally invasive preparation technique). As a porcelain material, LDS, a synthetic and acidifiable silicate ceramic reinforced with the addition of LDS crystal, was used as a glass ceramic infrastructure porcelain. In terms of marginal and internal adaptation, the press forming method was chosen. For aesthetics, feldspathic ceramics (ivoclar vivadent Schaan, Liechtenstein) were used with the layering technique. Impressions were taken by sandwich technique using double retraction thread (#00) and a-type silicone (elastomeric impression material, polyvinyl siloxane, Kulzer, Japane Mitsui Chemicals Group). Restorations are cemented with the rules of adhesive cementation according to the type of material and preferred adhesive cement (G-CEM, GC, Tokyo, Japan), adhesion properties and type of tooth surface. Finishing and polishing done. Conclusion: All these features, they require high technical precision during application. Namely; it is necessary to comply with the recommended adhesion procedures, cementation guidelines for each. If the physician does not have a command of the technique of the selected composite resin cement, this is a important and major disadvantage.

Elvin Gunel
Istanbul Aydın University Faculty of Dentistry
Turkey

Huseyin Kurtulmus
Istanbul Aydın University Faculty of Dentistry
Turkey

 


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