According to F.D.I formula, the tooth that is denoted by the number 34 is
Each tooth is numbered by the quadrant (1 to 4) and by the tooth within the quadrant (1 to 8) 1 Maxillary right 2 Maxillary left 3 Mandibular left 4 Mandibular right Tooth Numbers Within Each Quadrant: Sta with number 1 at the midline (central incisor) to number 8, third molar so 34 is left lower, 4th tooth (first premolar) Ref - https://en.m.wikipedia.org/wiki/FDI_World_Dental_Federation_notation
Upper right temporary first molar
Lower right permanent first molar
Upper left first premolar
Lower left first premolar
Identification