According to the USDA, heavy cream can be stored in the refrigerator (opened or unopened) for up to a month. 1  This assumes that it has been kept at a constant refrigerator temperature and not left out on the counter for stretches of time. Discard any cream with mold or an off odor.
However, one of the most common causes of lockjaw, as already mentioned, is TMJ disorder. TMJ disorder refers to a syndrome that affects the temporomandibular joint, commonly called the TMJ, which connects the jaw with the bottom of the skull.
Causes of swollen jaw. Jaw swlling, jawline glands and lymph nodes under the jaw can be caused by bacterial infections of the lymph nodes, salivary glands or tooth infections. Physical injuries like a punch on the jaw, accidents or knocks can also result into swollen jaw. Below are some of the causes of swollen jaws.