ANATOMY

Detailed explanation-1: -The maxillary lateral incisor is the second most common congenitally absent tooth. There are three treatment options that exist for replacing missing lateral incisors. They include canine substitution, a tooth-supported restoration, or a single-tooth implant.

Detailed explanation-2: -Maxillary lateral incisor agenesis (MLIA) is the most common congenitally missing permanent tooth condition in the maxillary anterior region (esthetic zone), representing approximately 20% of all dental anomalies [1-3].

Detailed explanation-3: -The most common congenitally missing teeth are second premolars, wisdom teeth, and upper lateral incisors.

Detailed explanation-4: -What Causes Missing Lateral Incisors? Missing lateral incisors are most commonly caused by a condition called hypodontia, in which someone is congenitally born with missing teeth. This is extremely common and is one of the most typical dental phenomena, right next to having extra teeth.

Detailed explanation-5: -The most common congenitally missing teeth are wisdom teeth, upper lateral incisors, and the second premolars(source).