The MOBEX was conducted to rehearse this operation procedure. Commander Song Hwan Yun, 32nd KSC Company, KSC, said, Although these are annual exercises and we perform them every year, the exercises this year, especially the MOBEX, were executed with a contingency or wartime situation in mind.
It is very unfortunate when there are black rims around porcelain crowns and porcelain veneers. This should NOT happen! The black stain around the rim of the crown or porcelain veneers is contamination. The bonding technique was a failure as there was something that was not completed thoroughly. In all fairness to the dentist, it is very difficult to bond porcelain crowns and porcelain veneers at the gum line.
A partially impacted tooth means the tooth is partially covered by some bone and gum tissue. A tooth is always completely removed, roots and all. Dr. Rosenberg said that occasionally, a small fragment of root may break off and is left in the bone if it will cause trauma to the area to remove it. He explained that the body forms bone around it and heals normally.