Saïmiri dental malocclusion
Dental malocclusion is a misalignment between the upper and lower teeth in the squirrel monkey. The teeth no longer fit together properly when the mouth closes. This disorder prevents normal wear of the teeth and can interfere with food int...
What is it?
Dental malocclusion is a misalignment between the upper and lower teeth in the squirrel monkey. The teeth no longer fit together properly when the mouth closes. This disorder prevents normal wear of the teeth and can interfere with food intake. It mainly affects young animals in captivity, particularly when feeding or early rearing has been unsuitable.
The affected squirrel may eat more slowly or avoid certain hard foods.\n\nThere may be excessive salivation, bad breath, or teeth that grow crooked and hurt the cheek, tongue, or roof of the mouth.\n\nIn advanced cases, teeth may become loose, fall out prematurely, or gums may bleed. Gradual weight loss is possible if the pet eats less out of painful discomfort.\n\nSome pets show only subtle signs, such as a preference for soft foods or a change in behavior during meals.
Commonly observed signs
These signs are neither exhaustive nor specific. Only a veterinarian can establish a diagnosis.
Related signs — each one links to its page:
When to consult without delay
This list does not replace veterinary advice. It gathers situations that justify a prompt consultation.
Causes and risk factors
Malocclusion can be of genetic origin, with an upper and lower jaw of unequal lengths from birth.\n\nIt can also appear after trauma to the jaw or teeth, a poorly healed fracture, or a tooth extraction unbalancing the arch.\n\nAn unsuitable diet during growth, too soft or poor in elements favoring the natural wear of the teeth, also promotes this disorder in animals raised in captivity.\n\nDiseases affecting the jaw bone, such as demineralization linked to a nutritional deficiency, can also deform the dental arch.
Young saimiris raised by hand or separated early from their mothers, too soft or unbalanced diet, family history of malocclusion, and previous oral trauma increase the risk.
Diagnosis and care
Diagnosis is the veterinarian's responsibility, based on clinical examination and laboratory tests. Care is decided case by case.
The veterinarian examines the animal's mouth, if possible under light anesthesia because squirrels are uncooperative with awake oral examinations. It assesses the alignment of the teeth, looks for injuries in the mouth, tooth mobility or signs of infection.\n\nDental x-rays can be taken to assess the condition of the roots and jaw bone.
Treatment
Management may include regular dental filing or grinding to restore proper contact between the teeth, carried out by a veterinarian under anesthesia.\n\nIn some cases, extraction of a poorly positioned tooth is necessary.\n\nAnalgesics and sometimes antibiotics are prescribed in the event of pain or associated infection.\n\nAn adjustment of the diet, with appropriate textures, often accompanies the treatment.
Treatment depends on the cause and the animal's condition: it must be determined by a veterinarian. No self-medication.
Prevention
Providing a varied diet including chewable foods promotes the natural wear of the teeth and the proper development of the jaw.\n\nRegular veterinary follow-up from a young age allows an alignment defect to be identified early.\n\nAvoiding oral trauma and ensuring a balanced diet of minerals helps limit bone deformities of the jaw.
Possible complications
If left untreated, malocclusion can lead to chronic oral injuries, dental or gum infections, weight loss due to difficulty eating, and abnormal wear accelerating tooth loss.
When to see a veterinarian
The animal eats less or avoids certain foods.\nExcessive salivation or persistent bad breath.\nVisibly misaligned, loose or fallen teeth.\nBleeding gums or sore in the mouth.\nUnexplained weight loss.
Prognosis
The prognosis is generally favorable if the malocclusion is detected early and monitored regularly by a veterinarian. Severe or neglected cases may require repeated dental care throughout the pet's life.
Frequently asked questions
Is dental malocclusion hereditary in saïmiri?
It can have a genetic component, but it is also often the result of factors linked to breeding, such as inadequate nutrition during growth.
Should you file your teeth regularly?
It depends on the severity of the defect. The veterinarian evaluates whether periodic filing is necessary to prevent oral injuries.
Can malocclusion heal on its own?
Rarely once established as an adult. Veterinary follow-up is recommended to prevent the problem from getting worse.
Can a saimiri with a malocclusion live normally?
Yes, with regular dental follow-up and a suitable diet, most animals maintain a good quality of life.
References
WSAVA — World Small Animal Veterinary Association
AAFP — American Association of Feline Practitioners
Content reviewed by the TunisieVet editorial team · Updated 23 September 2026
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