Maggot Teeth

Yeah, that much damage can only happen in sub- and tropical regions and to someone with extremely poor hygiene and/or people who are, um, mentally challenged: like cerebral palsy, mental retardation, etc. In addition, people in rural areas far from any sort of halfway decent medical facilities. To be sure, it's nt limited to dead tissue. Many species of fly produce enzymes that can destroy healthy tissue and cause the kind of damage in the photograph.