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Hi Morgan. I'm so sorry to hear that your girl is not well. Do you happen to have a picture of the facial swelling you're seeing? You can load the pic here or upload to a site like photobucket and share the link back. I want to be sure it's her teeth and not an allergic reaction.
You're right. This definitely looks like her mouth is hurting. There aren't a huge number of things you can do at home, but you can certainly make her comfortable until your vet can see her Friday. To help with discomfort, here is info on using aspirin. Make sure you know her weight and use the right dosage, you don't want to prevent your vet from using medications to help her come Friday. https://flexpet.com/aspirin-for-dogs-what-you-need-to-know/. You can also feed her either canned dog food, kibble softened until it's mushy or chicken baby food without onion or garlic until she can be seen Friday. She should be able to lap these up fairly easy and avoid chewing, avoiding more pain. If she will permit it, a cool compress may be appreciated on her muzzle.
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