From the point of view of GI bleeding, however, the demarcation between the upper and lower GI tract is the duodenojejunal (DJ) junction (ligament of Treitz); bleeding above the DJ junction is called upper GI bleeding, and that below the DJ junction is called lower GI bleeding.
Answer Wiki. Dental occlusion is the contact between the teeth of the upper and lower jaw. It is basically how your teeth fit together. The cusps (the high rounded parts on the tooth surface) of the tooth come in contact with the grove of the opposing arch teeth a maximum intercuspation is achieved which means the teeth fully bite.
Toothache is the most common type of orofacial pain and, when severe, it is considered a dental emergency, since there may be a significant impact on sleep, eating, and other daily activities.It is one of the most common reasons for emergency dental appointments. Correct diagnosis can sometimes be challenging.oothache is the most common type of orofacial pain and, when severe, it is considered a dental emergency, since there may be a significant impact on sleep, eating, and other daily activities.