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.
Neck -- The area where the crown joins the root. Dentin -- That part of the tooth that is beneath enamel and cementum. Alveolar Bone (jawbone) -- The part of the jaw that surround the roots of the teeth. Root Canal -- The portion of the pulp cavity inside the root of a tooth; the chamber within the root of the tooth that contains the pulp. Cementum -- Hard connective tissue covering the tooth root, giving attachment to the periodontal ligament.