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As rodents, mice must gnaw to keep their incisors from growing too long. Overgrown teeth can cause occlusion (blockage) of the mouth, which in extreme cases can lead to starvation. Hard foodstuffs, small pieces of wood or specially prepared blocks can suit this purpose, although some mice can grind their teeth together to
Small Mammals (Rabbits, Hamsters, Guinea Pigs) ... Dental Disease (Rabbits and Guinea Pigs): Malocclusion, or overgrown teeth, can be common and require regular dental trimming or surgery. Costs ...
Guinea pigs are relatively large for rodents. In pet breeds, adults typically weigh between 700 and 1,200 g (1.5 and 2.6 lb) and measure between 20 and 25 cm (8 and 10 in) in length. [35] Some livestock breeds weigh 3 kg (6.6 lb) when full grown. [36] Pet breeds live an average of four to five years but may live as long as eight years. [37]
Mammals chew their food which requires a set of firmly attached, strong teeth and a "full" tooth row without gaps. The manatees have no incisor or canine teeth, just a set of cheek teeth, which are not clearly differentiated into molars and premolars. These teeth are continuously replaced throughout their life with new teeth growing at the rear ...
The incisors and cheek teeth of rabbits are called aradicular hypsodont teeth. Aradicular teeth never form a true root with an apex, and hypsodont teeth have a high crown to root ratio (providing more room for wear and tear). [4] This is sometimes referred to as an elodont dentition, meaning ever-growing. These teeth grow or erupt continuously.
Most mammals with tusks have a pair of them growing out from either side of the mouth. Tusks are generally curved and have a smooth, continuous surface. The male narwhal 's straight single helical tusk, which usually grows out from the left of the mouth, is an exception to the typical features of tusks described above.
In mammals with tribosphenic teeth, the protocone slides into the talonid basin on the lower teeth in order to grind and crush food. Often the largest cusp in the upper molar, though some insectivorous mammals reduce it substantially. Paracone: A major cusp outwards from the protocone and in front of the metacone.
Included are mice, rats, gerbils, hamsters, lemmings, and voles. They are grouped according to the structure of their jaws and molar teeth . They are characterized by their myomorphous zygomasseteric system , which means that both their medial and lateral masseter muscles are displaced forward, making them adept at gnawing.