A full set of upper and lower implants is an investment that should last longer then 2.5 years. However there are a variety of factors that effect the longevity of implant crowns- most importantly the materials that were used by the lab. Some materials used for crowns (such as all-resin) are lower in cost, but are not as strong as other more expensive materials. Therefore it is important to evaluate different material options with your dentist before investing in dental implants.Aside from the actual crown fabrication your husbands treatment of his teeth could be resulting in their breakage. For instance if he grinds his teeth at night, favors eating with one section of his mouth or tends to clench his teeth.With proper care and routine dental check-ups dental implant crowns should last a lifetime.
