1. dental orthopedics-the branch of dentistry dealing with the prevention or correction of irregularities of the teeth. dental orthopaedics, orthodontia, orthodontics, orthodonture. dental medicine, dentistry, odontology-the branch of medicine dealing with the anatomy and development and diseases of the teeth.
1 Regular or Short-acting insulin usually reaches the bloodstream within 30 minutes after injection, peaks anywhere from 2 to 3 hours after injection, and is effective for approximately 3 to 6 hours.
Types of insulin. Each type of insulin works at a different speed and lasts for a different length of time. Quick-acting, such as insulin lispro (Humalog), begins to work very quickly (5 to 15 minutes) and lasts for 3 to 4 hours.