What are Teddy’s double rows of teeth? How harmful are double rows of teeth to dogs’ health?

Jul 26,2025
4Min

Introduction to Teddy’s double row of teeth

Double row of teeth, also known as deciduous teeth that have not fallen out. Puppies usually start to lose their teeth when they are three months old, and their deciduous teeth begin to fall out. By the time they are 6 months old, the tooth replacement process is basically over. However, some dogs have still not lost their deciduous teeth when they are 8 months old. By this time, the new permanent teeth have grown in. Then the unshed deciduous teeth will squeeze the new permanent teeth and even deform them, which will cause the teeth to bite. Incomplete and severely deformed teeth will cut the gums on the opposite side, causing long-term gum bleeding, and the deciduous teeth will form an angle with the permanent teeth. This angle can easily accumulate food residues to form tartar, causing bad breath.

The reasons for the formation of double rows of teeth in Teddy

1. The probability of double rows of teeth in small dogs is much higher than that in large dogs, because the permanent teeth have already grown in before the deciduous teeth fall out. When a small dog comes out, the oral space is too small, and the deciduous teeth and permanent teeth are squeezed together, making it more difficult for the deciduous teeth to fall out, so it is easy to form a double row of teeth.
2. Genetic problems, parents have oral problems and other defects.
3. The lack of molars causes deciduous teeth to fall out slowly, resulting in a double row of teeth.
4. Calcium deficiency prevents deciduous teeth from falling out, forming a double row of teeth.

The dangers of Teddy’s double rows of teeth

Puppies with double rows of teeth often develop gingivitis and have space-occupying lesions, which can make it difficult to eat. Moreover, it is very easy for double rows of teeth to accumulate food residues, which can lead to the formation of dental calculus, further irritating the gums, and causing serious oral odor. Dogs with severe double row teeth have long-term ingestion of bacteria in their mouths, resulting in an imbalance of intestinal flora. A large number of bacteria later enter the body through blood circulation, damaging other tissues and organs, until they suffer from bacteremia, sepsis and kidney disease. Death from exhaustion.

Treatment method for Teddy’s double row of teeth

For double row of teeth, the most effective way is to extract the deciduous teeth. The roots of deciduous teeth are generally very deep, so special tools are necessary, such as special pliers and dental lifters for deciduous teeth. The doctor must have professional and skillful operating techniques, and must not leave the tooth root in the alveolar bone, which may easily lead to infection. If the wound is large, it will need to be sutured.
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