Please regularly give your pet oral care In order to keep the oral health of your cats and dogs, please use dog toothbrush to brush their teeth and do oral care for them. If not, their mouth will smell bad and lose teeth. Sometimes, it even brings about more serious oral health problems. Bad teeth would result in infection and endanger life. Those infections will damage the pets' kidney, heart and liver. Maintaining oral care for the teeth of your dogs or cats helps to improve their health and lifespan.