What does the Greek prefix "ortho" mean?

The Greek prefix "ortho" means "straight." This term is commonly used in various fields, particularly in dentistry and medicine, to indicate the concept of aligning or correcting something to a straight, proper, or normal position. In dentistry, for instance, "orthodontics" refers to the branch focused on correcting misaligned teeth and jaws to achieve a straighter smile and improve overall dental function. Understanding this prefix is crucial as it signifies the intention of treatment aimed at positioning teeth correctly and enhancing oral health.

The understanding of prefixes can be especially useful in distinguishing various terms used in the dental field, allowing for clearer communication and comprehension of procedures and specializations. This is why "straight" is the correct definition associated with the prefix "ortho."