Provisional materials are evolving, with many offices using more than one type. It is not uncommon for a practice to stock three to five different provisional materials based on the intended use.
If a simple smile mockup is being done with a high volume of material, practices may use one of the many house brands available. The mockup will be removed immediately and longevity is not a concern. When a higher level of esthetics is needed for anterior cases, however, dentists may opt for a provisional material with ideal fluorescence and luster. In certain cases, there may be a benefit to using a light accelerated provisional material.
Most of these materials are designed to withstand normal forces for about six months. Some claim they last about a year. What if you need something that lasts longer? Luxa Crown by DMG may be the solution.
This chairside material lasts up to 5 years, filling the gap between the temporary restoration and the final restoration. The delivery system is identical to other bis-acrylic resins. However, the material has a flexural strength of 154 MPa, which is similar to or greater than some feldspar and glass ceramics. A material with these properties can be particularly useful in creating implant provisionals, staging cases that may require full mouth rehabilitation, fixed partial dentures, or transitional cases that may require orthodontics.
We have been testing the material in our office for 9 months, and while we do not have 5 year data, the material is performing well. It hasn’t had any fractures or exhibited extensive wear. Luxa Crown by DMG appears to be filling the need of a semi-permanent material that can easily be fabricated chairside without investing in a large capital expenditure.
Click here for more on Luxa Crown.