It is normal for dogs to lose teeth when they are puppies or in old age. If teeth fall out in adolescence, it is not normal. It may be caused by calcium deficiency or oral problems. You need to take your dog with you. Go to the pet hospital for examination and treatment.
Tips:
You should pay attention to supplementing calcium for dogs, especially puppies and elderly dogs. If puppies are deficient in calcium, they may have double rows of teeth. ;Don’t feed your dog too hard food in terms of diet.