A dentist is a specialist doctor in diagnosing, treating and preventing oral health problems. This includes a wide range of treatments, including regular dental cleanings and exams, cavity fillings, tooth extractions, root canals and treatment for gum disease.
no shit sherlock. I wanted you explain what you mean with time capsule (hence the question mark!), because obviously what follows makes no sense. For someone so intelligent you can be quite daft at times...