What does a green spot on my cat's tooth mean for its health?

It may be a resorptive lesion on the tooth. This is an indicator of dental disease. They can be painful, so a visit to your veterinarian would be recommended. Tinsel may need a complete dental cleaning. Given current events, you may need to drop him off at the clinic and wait for your veterinarian to call you to discuss exam findings and treatment options. https://www.petcoach.co/cat/condition/tooth-resorption/

This looks like quite a bit of tartar and calculus buildup. You will likely be more successful at preventing significant dental disease by having a professional dental cleaning done. Once all the calculus and tartar built up are removed it'll be easier to maintain a clean mouth.

This is likely staining of the tooth from her food. There is an indentation in the tooth normally in that area that can easily collect foostuffs and staining. I wouldn't be too concerned about it and just recommend brushing his teeth daily to help prevent further staining and periodontal disease. If you notice a foul odor and/or Lio has difficulty chewing, then its best to have him examined by your vet. Also keep in mind that most cats by the age of 3 should have their teeth cleaned (Dental prophylaxis) at the vet to prevent periodontal disease and lead to excellent oral hygiene. Weekly dental maintenance can also be done through the use of greenies dental treats, dental food (i.e. Hill's T/D bites), and other over the counter products.

If Ryder was eating grass or plants, this green stuff could be that. This green stuff could also be tartar build up that is connected to infection. I would have Ryder seen by a vet today. If this is tartar, he will need a dental cleaning, scaling, and polishing to remove it.

That sounds and looks like like potential gum disease and tartar/plaque build up on the teeth. Often when it's to this point, a dental cleaning is needed to remove the build up and make sure the teeth are healthy. I would have Ghost examined by your vet and get him scheduled for a dental.

Thank you for contacting Petco Pet Education Center, formerly Petcoach with your question about Cha Cha and for providing a picture, it's very helpful! The gum around that tooth looks a bit red and swollen, so I'm concerned it could be a problem with her tooth. Cats do get holes in their teeth, but they are generally the same color as the tooth and are the result of tooth resorption rather than decay as you would see with a cavity. It may be also that something is stuck on that tooth. I do think it's worth getting checked out by a vet, so give her vet a call to make her an appointment. Best of luck.

You need to take her to the vet ASAP, she is probably suffering from a gum/teeth disease which is very common in cats, treatment varies according to the severity of the condition but this must be dealt with urgently.