1 | Absence of a third or a fourth premolar or of one molar. | |
2 | Last premolar of upper jaw, first molar of lower jaw. | |
3 | Carnassial : Last premolar of upper jaw, first molar of lower jaw. | |
4 | Absence of more than two first premolars or absence of a first and a second premolar. | |
5 | ELIMINATING FAULTS : All deviations in relation to the correct scissor bite. Absence of one incisor or one canine, a third premolar or a fourth premolar or of one molar. |