Ключевые слова: ampoule, anaesthesia, anaesthetic, anesthesia, anesthetic, anxiety, background, clinic, clinical, closeup, cure, dental, dentist, dentistry, doctor, equipment, fear, glove, hand, health, health care, healthcare, hospital, human, hygiene, indoor, injection, instrument, liquid, medic, medical, medicine, metal, needle, object, occupation, operation, oral, orthodontic, pain, painkiller, protective, science, steel, surgery, surgical, syringe, tool, tooth, work,