Sun Valley Dental Care 1209 East Main Street El Cajon, CA.92021. General Dental office is looking for part time Dental Assistant or. Sterilization Technician, New Graduates welcome. Duties to do Assist Dr. with dental procedures, clean rooms,clean dental instruments and restock the rooms. Position is for 4 days a week Monday through Thursday from 2-6. and every other Friday. Please send your resume along with phone number to. svdapplications@yaho...