Program managers do assume more responsibilities than project managers, and they have more visibility within the organization. A program manager's involvement with a product begin far earlierâhe is normally the one to start a business initiative for the creation of the productâand lingers until after the productâs release.
First of all, get into your dentist ASAP to get it evaluated. Things can shift around if the crown is off too long. If you canât get in right away, check out our guide on temporarily recementing a crown that has come off. Now, letâs take at the many different reasons why a dental crown might come off. 1  The cement holding it in place has dissolved out from under the crown. 2  The cement didnât bond very well to the tooth or the crown. 3  There is decay underneath the crown â This is the most common reason crowns come off. more information...
Crowns. A crown is a tooth-shaped cap that's placed over a weak or damaged tooth to improve its shape, size, strength, or appearance. Most crowns last five to 15 years and can be made of metal, porcelain fused to metal, resin, or ceramic. Before a crown is seated, the existing tooth is filed down; then the crown is cemented over it, fully encasing the tooth. Onlays and three-quarter crowns cover the underlying tooth to a lesser extent.