Dog breeder associations have regulations for the registration and breeding of their individuals. The complete dentition is between them. thus the absence of first and second molars prevents the registration of specimens. A dispute arose when the registration of a 20-month-old male dog was rejected by the Argentine club of German Shepherd Dog Breeders. https://www.nacrack.com/hot-savings-HiBoost-Home-15K-Smart-Link-F20G-5S-IoT-limited-super/