"Underbite" is a lay term indicating an anterior cross bite, lower incisors in front of upper incisors, or upper incisors behind lower incisors. Cause may be dental malposition, skeletal malrelationship, or both. This is a serious malocclusion requiring the services of a
Malocclusion of the teeth is a misalignment problem that can lead to serious oral health complications. It’s also known as: crowded teeth; crossbite; overbite; underbite; open bite; The teeth won’t be able to perform vital functions if they’re misaligned.
Diastema=A space between two or more teeth in the dental arch. ... A malocclusion where the molar relationship shows the buccal groove of the mandibular first molar
Malocclusion of the teeth is a misalignment problem that can lead to serious oral health complications. It’s also known as: crowded teeth; crossbite; overbite; underbite; open bite; The teeth won’t be able to perform vital functions if they’re misaligned.
A malocclusion happens when mismatched teeth and the jaw cause a person to have a bad bite. This can result in crooked, crowded, or protruding teeth, and may even lead to gum problems/periodontal disease, severe headaches, and sleep disorders.
Class 1 malocclusion is diagnosed when the upper teeth overlap the lower teeth. In this type of malocclusion, the bite is normal and the overlap is slight. Class 1 malocclusion is the most common classification of malocclusion.
Overjet is the extent of horizontal (anterior-posterior) overlap of the maxillary central incisors over the mandibular central incisors. In class II (division I) malocclusion the overjet is increased as the maxillary central incisors are protruded.
Class 2 malocclusion is diagnosed when a severe overbite is present. This condition, known as retrognathism (or retrognathia), means that the upper teeth and jaw significantly overlap the lower jaw and teeth. Class 3. Class 3 malocclusion is also diagnosed when there’s a severe underbite.