What does necrosis refer to?

Necrosis refers specifically to the death of tissue resulting from various causes such as injury, lack of blood supply, or infection. It involves the premature death of cells in living tissue, leading to the breakdown of cell structures and subsequent deterioration of the affected area. This process can lead to significant complications and requires medical intervention depending on the severity and location of the necrosis.

The other concepts presented in the options are distinct processes. The growth of new tissues is typically referred to as regeneration or healing, while inflammation of the heart tissue relates to a specific condition known as myocarditis. Repair of damaged tissues describes the healing process, which is different from necrosis as it involves restoration of tissue function rather than tissue death. Understanding necrosis is crucial in the context of oral and maxillofacial surgery because it can directly impact surgical outcomes and healing.