PANAVIA: 40 years of success in adhesive luting

Kuraray Noritake

Tue. 26. December 2023

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TOKYO, Japan: Have you ever wondered why the products of the PANAVIA brand offer such outstanding performance? You probably know that they all contain the original MDP monomer, an adhesive monomer that has attracted much attention since Kuraray Noritake Dental developed it in the early 1980s. This phosphate ester monomer forms a very strong bond to tooth structure, zirconia and dental metals and has been used in every PANAVIA product. Alongside MDP, other catalytic technologies and ingredients have made important contributions that support the performance of our cementation solutions.

Ingredients affecting the polymerisation reaction

One of these decisive additional technologies and ingredients is the catalyst that triggers the polymerisation process. Different from the MDP monomer used in every PANAVIA product, this catalyst has been continuously improved since the introduction of PANAVIA EX in 1983. For example, new versions have been developed for PANAVIA 21, PANAVIA Fluoro Cement and PANAVIA V5.

Another important component that affects the polymerisation process is Kuraray Noritake Dental’s touch-cure technology, which is used in two of the three major products of the current PANAVIA portfolio: PANAVIA V5 and PANAVIA Veneer LC. This technology was first used in PANAVIA 21, which was launched in 1993. Contact between the chemical polymerisation activator contained in the self-etching primer and the resin cement paste accelerates the polymerisation of the cement from the adhesive interface, thus providing better adhesion of the resin cement.

In developing PANAVIA V5, we reviewed the chemical composition of the existing PANAVIA products and updated it substantially. Our touch-cure technology too was adopted for use in the case of PANAVIA V5 Tooth Primer and the concomitantly used PANAVIA V5 Paste. When cementing veneers with PANAVIA Veneer LC, we also use PANAVIA V5 Tooth Primer for conditioning teeth. This too involves the application of our touch-cure technology for achieving an adhesive connection with the tooth without compromising the working time of the cement paste.

Additional adhesive monomers

Even in the field of adhesive monomers, we have not stood still: we developed the LCSi monomer, a long-chain silane coupling agent, which made it possible to integrate the function of a ceramic primer in our self-adhesive resin cement PANAVIA SA Cement Universal. With its high level of hydrophobicity, this monomer provides a stable long-term bond strength.

Three products covering virtually every need

By smartly combining these technologies and ingredients, we have succeeded in developing a resin cement portfolio that covers virtually every need. It is possible to treat a wide variety of cases with PANAVIA V5, PANAVIA SA Cement Universal and PANAVIA Veneer LC. The products allow for the luting of various types of restorations and prostheses and for the placement of posts and produce great outcomes if used properly and according to the instructions for use.

Therefore, it is possible for the dental practitioner to choose the right cement system for treatment, according to the cases arriving at the clinic and patient needs, from among these three major resin cement products. PANAVIA V5 is the resin cement that has the widest range of uses among the three cement systems, covering almost all the intended uses of the other two cements. PANAVIA SA Cement Universal is a simple and easy-handling self-adhesive resin cement, and PANAVIA Veneer LC is a light-polymerising resin cement system for bonding laminate veneers.

Kuraray Noritake Dental says that these three major resin cement products allow dental practitioners to choose the right cement system for treatment, according to the cases arriving at the clinic and patient needs. (Image: Kuraray Noritake Dental)

Exploring new opportunities

The good thing about developing technologies in a company like Kuraray Noritake Dental is that their application is not limited to a certain product or product group. The research and development department always carries out research on how to leverage the benefits of the technologies in other applications. Take for example, KATANA Cleaner, which was released in 2019. This cleaning agent can be used to remove saliva, blood, temporary cement or other contaminants adhering to the surfaces of teeth or prostheses during trial fitting and temporary cementation. This unique product has been developed by taking advantage of the surfactant function of the MDP monomer.

Conclusion

Our long-standing knowledge and experience in the development of dental resin cements and adhesive solutions are what have achieved the excellence of the current PANAVIA portfolio. We know how to improve on existing technologies, we continue to develop new ones and we always pursue the best way to combine proven and new components to obtain the best possible outcomes. In the steps of the product development procedure, clinical tests are conducted and feedback from dental practitioners is gathered in order to take into account the extreme conditions found in the oral environment. In the past 40 years, this strategy has proved successful, and we are certain that it will help us to develop many other innovative products that offer ideal support in striving to improve the oral health of patients.

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