Nothing removes tartar except daily teeth brushing makes a big difference. A professional cleaning may be needed depending on condition of the teeth and then daily brushing.
Hope this helps http://skeptvet.com/Blog/?s=dental+disease
Dental Disease in Dogs and Cats: Does Treatment Improve Health?
Posted on June 6, 2013 by skeptvet
(Excerpt from article below click on link for full article)
“Dental disease, especially periodontal disease, is very common in dogs and cats. Though affected pets rarely show obvious or severe symptoms, periodontal disease is undoubtedly a source of significant discomfort. The only accurate way to diagnose, characterize, and treat periodontal disease is with a thorough oral examination, dental x-rays, and appropriate cleaning and often extraction or endodontic treatment of infected teeth. This can only be accomplished under general anesthesia”.
