Overjet Vs. Overbite: What's The Difference? Essentially, an overjet is when the upper front teeth protrude outward. Whereas an overbite is marked by an excessive vertical distance between the front upper and lower teeth, an overjet has a greater horizontal difference between the two sets. This condition is often referred to as “buck teeth.” Eledent Aligners Treatment for both. for more information visit our website www.eledentaligners.in