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'''Malocclusion of the Canine Teeth''': The two most common abnormalities in canine tooth position are:
'''Malocclusion of the Canine Teeth''': The two most common abnormalities in canine tooth position are:
* Rostral displacement (mesioversion) of the maxillary canines (also known as lance canines). Persistent primary canines may be responsible for this condition. A breed predisposition has been reported in the Shetland sheepdog. <font color="red">(pic9malocclusion)</font color>
* Rostral displacement (mesioversion) of the maxillary canines (also known as lance canines). Persistent primary canines may be responsible for this condition. A breed predisposition has been reported in the Shetland sheepdog. <font color="red">(pic9malocclusion)</font color>
* Medial displacement of the lower canines. <font color="red">(pic10mal)</font color>
* Medial displacement of the lower canines.
<center><gallery widths=250px heights=180px mode="traditional">
File:Medial displacement of lower canines.jpg|Medial displacement of lower canines
</gallery></center>
'''Malocclusion of the Premolars and Molars''': Posterior crossbite is used to describe an abnormal relationship of the carnassial teeth, seen commonly in the dolicocephalic breeds, where the normal buccolingual relationship is reversed.
'''Malocclusion of the Premolars and Molars''': Posterior crossbite is used to describe an abnormal relationship of the carnassial teeth, seen commonly in the dolicocephalic breeds, where the normal buccolingual relationship is reversed.