Oh! I'm glad your little one is better. I just responded to a post about teeth and I'll copy and paste it here, too. Perhaps it'll help someone.
Also, she quit eating her dog food completely. So, I boiled chicken and rice, too. That is until the rice came back up one day. She has really had a rough time. Thank goodness it is almost over!
Well, I've had three chihuahuas and one yorkie prior to Kacee. None of the previous one's had any trouble at all. Along comes Kacee and breaks the mould. She had an upset stomach and a little diahrrea with it. She had quite a time putting it mildly. She was so sick a couple of days she barely got up and around. I knew it was her teeth. Mother's just know these things! Thankfully her teeth are almost all through her gums now. I really felt sorry for her, because I have never seen one feel so bad as she did. My vet said they are just like children. Some have little or no trouble, while others have a terrible time with it.