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Image Normal occlusion lateral view
This prepared skull of a wild rabbit shows the normal relationship of the upper and lower teeth. The tip of the lower (mandibular) incisor rests against the peg tooth (secondary incisor) that sits just behind the large upper (maxillary) incisor (arrow). The enamel on the rostral aspect (front) of the incisors is thicker than on the caudal aspect (back). This helps to maintain the sharp edge to the tooth. The tips of the incisors are kept sharp by moving the upper and lower teeth in such a way that they they grind the tips to a sharp edge. There are five lower cheek teeth. These are numbered. The six upper cheek teeth are also numbered.
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image C header Transverse section through skull to show relationship of upper and lower cheek teeth
This wild rabbit's head was preserved in spirit with the muscles and ligaments intact before sectioning it at the level of the cheek teeth. The muscle was then removed but the ligaments of the temporomandibular joint are still in place. It shows the relationship of the upper and lower cheek teeth in a rabbit with healthy dentition. The upper and lower cheek teeth are in contact at rest. The mandible is narrower that the maxilla so the lingual edges of the upper cheek teeth occlude with the buccal edges of the lower cheek teeth. This dissection matches cross sectional CT scans.
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image CT scan showing normal occlusal relationship of the cheek teeth
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image Cheek teeth occlusion
The normal resting occlusal relationship of the upper and lower cheek teeth in rabbits is with the lingual edges of of the upper teeth resting against the buccal edges of the lower teeth. There is no gap between them.
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image Labelled image of transversely sectioned skull
This sectioned skull shows the position of the nasolacrimal duct (NLD) and the relationship of the apex of the first upper cheek tooth with the maxillary sinus.
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image C header Occlusal surfaces of the right and left mandibular cheek teeth arcades
The occlusal surfaces of the cheek teeth show the enamel ridges forming blade like structures across the occlusal surfaces of the teeth. The indentation between each enamel ridge corresponds to the shape of the occlusal surface of the opposing tooth. Each enamel ridge occludes with the enamel edges of the opposing teeth, which makes the cheek effective in shearing through vegetation.
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image Normal incisors
These incisors are a normal shape and have smooth shiny enamel and no ridges. The tips are sharp. The tips of the lower incisors rest against the peg teeth behind the large upper incisors.
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image Pascal source code Sectioned incisors
This photograph shows healthy upper and lower incisors taken from the skull of a wild rabbit. They have been sectioned longitudinally to show the shape and extent of their pulp cavity.
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image C header Normal upper cheek teeth
The sharp enamel folds and edges of the cheek teeth can be seen as a regular pattern of ridges and valleys on teeth of the same height
Located in Basic information / / Images for anatomy / Images of dental anatomy
Image C header Appearance of normal lower cheek teeth
This image shows the left side of the oral cavity of an anaesthetised rabbit. The mouth is held open with a gag and cheek dilators. The tongue has been pushed to one side with a pair of curved scissors. A reflection of the teeth is mirrored on the scissors. The appearance of the cheek teeth can be seen. The enamel ridges that run across the centre of each cheek tooth form a series of vertical points. These are normal. The teeth are all the same height so the zigzag occlusal pattern is regular. The brown staining is from plant pigments.
Located in Basic information / / Images for anatomy / Images of dental anatomy