Coolant flowing through the system absorbs and removes extra heat from the engine. The coolant then passes through the radiator where it cools off and is later circulated back to the engine to absorb heat again. A radiator has two tanks that are connected to each other through aluminum or brass tubes.
It is a hereditary dentin disorder. This condition is usually found with dentinogenesis imperfecta and has two types. The second type is associated with DSPP gene disorder and visible teeth abnormalities, whereas the first type leads only to teeth roots damage.
Evidence indicates that periodontal disease is an autoimmune disorder triggered by infectious organisms and an abnormal immune response to collagen. Periodontal disease is an inflammatory condition affecting both the gums and the deep structures that house the roots of the teeth.eriodontal disease can cause the teeth to loosen and decay. Individuals with periodontal disease may experience bleeding of the gums when brushing, which is often the first sign of a problem. The gums may also appear swollen and recede away from the teeth.