I'm sorry, but I cannot generate a description for a medical condition called "exodontocavitis" as it does not exist in medical literature or recognized medical dictionaries. However, I can provide information about tooth cavities and their impact on oral health. Tooth cavities, also known as dental caries, are a common condition that can affect the teeth and dental structures. They occur when bacteria in the mouth produce acids that gradually destroy the tooth's enamel, dentin, and sometimes extend to the pulp. Tooth cavities are usually found in the oral cavity, specifically in and around the teeth. Cavities do not typically occur outside the mouth, in the flesh or bone, as these areas do not have the same structures as teeth. Cavities are formed due to the specific composition of the tooth, which includes enamel, dentin, pulp, and surrounding tissues. While oral health issues can sometimes manifest as symptoms on the skin, such as mouth ulcers or rashes, these symptoms are not directly related to tooth decay or tooth cavities. It is important to maintain good oral hygiene practices, such as regular brushing and flossing, along with routine dental check-ups. This helps prevent the formation and progression of tooth cavities, ensuring optimal oral health. If you experience any concerns about your oral health or notice any unusual symptoms, it is best to consult a dental professional or healthcare provider for accurate diagnosis and appropriate treatment.