The term 'Tooth Holder' can be summarized as a person who holds or supports teeth, and the crossword solution for this term is 'GUM'. This term is typically used to refer to dentists, who are medical professionals who specialize in the diagnosis, prevention, and treatment of diseases and conditions of the oral cavity. They are responsible for providing preventive care, such as cleaning and fluoride treatments, as well as restorative care, such as fillings, crowns, bridges, and implants.