dental assistants, dental hygienists and dental technicians are all good people
I wonder how the world will be without them
Agreed.   Their  educational, clinical and therapeutic services are essential to modern life.
I hardly can stand the sight of blood thats why i didn't study any of those
Psychology
Psychology is the science of behavior and mind. Psychology includes the study of conscious and unconscious phenomena, as well as feeling and thought. It is an academic discipline of immense scope. Psychologists seek an understanding of the emergent properties of brains, and all the variety of phenomena linked to those emergent properties, joining this way the broader neuroscientific group of researchers. As a social science it aims to understand individuals and groups by establishing general principles and researching specific cases.
In this field, a professional practitioner or researcher
Dental assistant
Dental assistants (also known as dental nurses) are members of the dental team. They may support a dental operator (such as a dentist or other treating dental auxiliary) in providing more efficient dental treatment. "Dental assistants" are distinguished from other groups of dental auxiliaries (such as dental therapists, dental hygienists and dental technicians) by differing training, roles and patient scopes.
History.
History The first dental assistant.
The first dental assistant in modern history is believed to trace back to 1885