Fig. 8From: A self-adjusting head holder without ear-bars for guinea pigsRostro-lateral view of the maxillary premolar contact with the end plate of the mouthpiece. 1 Incisors; 2 distal end of the snoutpiece; 3 mouthpiece; 4 right and 5 left maxillary premolars; 6 distal end of the mouthpiece; 7 the groove for the left premolarBack to article page