Gums may turn white because there is a lack of blood flow. This can cause numbness as well. Gums can also turn white due to gum disease.
because you brush your teeth everymorning if you wakeup
Crest White is good for soothing gums, but only in moderation.
Anemia
The crown of tooth is below the gum is true
Take it to the vet. Because if your dog has white gums it isn't getting oxygen
More than likely, the gums are either irritated by the temporary crown or they are inflamed due to inadequate oral hygiene. Ask your dentist for a prescription of Chlorhexedine Gluconate .12% (trade names are Peridex or Periogard). Rinse and brush with it daily until your permanent crown is placed.
smoking.
it is pair flavor
If your dog has yellow teeth, sore gums, bleeding gums, or swollen gums your dog may need dental care. Also, it's nice to do an annual dental visit for your pet.
You need to take your dog in to see a Veterinarian immediately. The white gums tell you that your dog is in shock or losing blood somewhere in his or her body. Get to the VET!
The peroxide is a chemical which bleaches the teeth as well as gums if it comes in contact with them. You are not supposed to put the strips on your gums, but it will go away within a day.