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Retained Puppy Teeth in Dogs

Puppies are born without any visible teeth. Around 3 weeks of age their puppy teeth, or “deciduous teeth”, begin to erupt from the gum line. By about 4 months of age, puppies will have a full set of 28 deciduous teeth. At about 3.5 to 4 months of age, a puppy’s adult teeth will begin to develop.

As they grow, these adult teeth will press on the roots of the deciduous teeth. This promotes the resorption of the root of the deciduous tooth, eventually causing the crown (or visible portion) of the deciduous tooth to fall out. By the age of 6-7 months, your puppy will have a full set of 42 adult teeth.

A retained deciduous tooth occurs when the root of the deciduous tooth is only partially resorbed or is not resorbed at all. This means your puppy will have two teeth existing in a spot meant for one single tooth. Retained deciduous teeth cause crowding in the mouth, as well as improper positioning of the adult teeth. Malposition of the adult teeth can cause a variety of issues for your pet, including an excess build up of tartar, improper bite (or malocclusion), teeth rubbing against each other or soft tissue structures causing inappropriate wear and pain, and often premature loss of adult teeth later in life. Retained deciduous teeth will lead to early periodontal disease, which is painful for your pet and requires surgical correction and general anesthesia. The most commonly retained deciduous teeth are canine teeth and incisors, though any deciduous tooth can be retained.

Removing retained deciduous teeth in a timely manner is important for avoiding dental complications. The removal of retained deciduous teeth requires general anesthetic to facilitate extraction of the tooth. As adult teeth are typically done developing by 6 to 7 months of age, having these removed at the time of your dog’s spay or neuter avoids multiple anesthetics at a young age. Regular puppy visits with your veterinarian will allow your vet to monitor the growth of your puppy’s teeth. If your puppy has retained deciduous teeth, please contact your veterinarian.

Written by Jenna Marsh

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Last updated: June 21, 2021

Dear Clients,

With recent changes to restrictions on businesses, we have made some important updates to our operating policies effective June 21, 2021. We are asking all clients to abide by our updated policy in light of the COVID-19 pandemic.

1. WE CAN NOW SEE ALL CASES BY APPOINTMENT ONLY

This includes vaccines, wellness exams, bloodwork, spays and neuters, dental services, and more!

2. SAFETY MEASURES TO KEEP EVERYONE SAFE

3. ONLINE CONSULTATIONS ARE AVAILABLE

If you wish to connect with a veterinarian via message, phone, or video, visit our website and follow the "Online Consultation" link. Please note that due to the high demand for appointments we are now seeing in the clinic, telemedicine options are very limited.

4. OPERATING HOURS

We are OPEN with the following hours:

Monday, Thursday: 7:15 am - 9:00 pm
Tuesday, Wednesday, Friday: 7:15 am - 8:00 pm
Saturday: 8:00 am - 5:00 pm
Sunday: CLOSED

 

NEW PET OWNERS

Have you welcomed a new furry family member to your home? We’d love to meet them! Visit our Must Know New Pet Owner Information page for useful resources and helpful recommendations for new pet owners.

Thank you for your patience and understanding and we look forward to seeing you and your furry family members!

- Your dedicated team at Dartmouth Veterinary Hospital