Peg laterals may occur on just one or on both sides of a patients mouth. Since they form a major part of our smile it is natural to feel conscious about not having your teeth perfectly aligned. Dentaltown Peg Lateral Is The Dental Term Use To Describe Small Or Underformed Lateral Incisors It Is A Surprisingly Restauracao Dente Ortodontia Dentario A peg lateral is an upper lateral incisor the teeth directly next to your two front teeth that has a peg shape. . This condition is when upper lateral incisors next to the upper front teeth appear visibly small. There is a strong component of heredity and peg-shaped lateral incisors have been linked genetically with tooth agencies34 A peg-shaped incisor has a marked reduction in diameter extending from the cervical region to the incisal edge. Other teeth commonly involved are the third molar and premolar teeth. A peg lateral is usually a permanent tooth that fails to develop norma