Sudden Drooling?

Hello, I have 4 beautiful female cats. One is an 8 mo old Maine Coon, named Charlie. She is very active, curious & never misses a meal. She is an indoor only kitty, never been outdoors.
Day before yesterday, she was napping on a chair and I noticed a puddle of drool. Just thought she was sleeping hard, but it kept happening throughout the evening. Her appetite & behavior were completely normal.
Yesterday, she was still drooling, and I was concerned because she didn't finish her meal. Charlie NEVER has left food in the bowl. This was not normal for her. She continued to drool heavily all evening. Her long hair under the chin is matted from all of the drool. She is playing & behaving normally, and is eating small amounts, still interested in eating. Being concerned, I researched the internet, (how I came across this site!) and it sounds more like mouth pain than loss of appetite.
Today, the drooling has mostly stopped, little wetness on the chin, not near as bad as before. She is still not quite finishing her meals, but her play & behavior has not been affected at all. Could this be teething?
Most sites say that kittens have their adult set of teeth by 6 mo, but Maine Coins mature slower than standard cats. I cannot find a teething schedule anywhere online for a Maine Coon, and my other 3 cats are domestic shorthair. Is it possible to just be getting in her back molars? She has no other symptoms, but the drooling & lack of eating. Since everything else is normal, I wanted to get an opinion before I call the vet. Thanks for your help!

Can you check her teeth? Will she let you open her mouth to look inside? Then you can see if it's tooth related. It's possible she chipped a tooth playing rough or landed funny. If you can't look into her mouth see if she will let you feel, as she could have an abscess in her mouth. Only my Casper ever drooled at that was when purring. He'd make a mess. I am always concerned when a cat is off their feed. The only other time I had drooling going on is when I adopted my twins, they both came home from the shelter with the usual URI but they snot from everywhere with that. Nose, mouth and eyes so that is pretty obvious. If she continues, I would take her to the vet. Good luck and keep us posted.

is she drinking?

What about her other behaviors?  Is she playing normally and using the litter box like a champ?  I'm prone to think either teething (though it's a bit late) or some other kind of mouth problem.  Check her gums and her teeth. 

Sounds to me like her drooling is either from a sore mouth or upset tummy.

Both will cause a reduced appetite as well.

The first and simplest thing to do is thoroughly examine her mouth, her teeth and gums, all the way back in her mouth.

Look for swelling/redder gums, inflammation or irritated looking gums.

From front to back, top and bottom.

If all looks great, which at 8 months old should look perfect, then you can likely rule this out and move on to possible upset tummy.

She may have the beginning signs of stomatitis. This is an auto-immune condition where the body's system does not recognize the teeth as part of the body, or see them as a foreign thing and resist them, causing redness, irritated gums, sores at some point, then loose teeth.

Thanks for all the replies! Today, she is totally back to normal, no drool (felt around her mouth) appetite is back, she is eating, playing & using litter box as usual. I looked inside her mouth again, & it looks as though one of her back teeth just poked thru. (It is tender looking & very small.) I found something at an online site about Maine Coons (finally!) and it says they can get their molars anywhere between 6 months to 1 yr. I'm still keeping an eye on her, but everything seems to be fine now, thank goodness! 
Charlie & Ruby

Glad to hear she is back to normal.

Excellent, the best kind of news )