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Weirdly, chewing on the other side after a root canal can make your jaw sore

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Posts: 5
(@brianrunner)
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- Totally get the “puzzle pieces” feeling—after my last root canal, my bite felt off for a while too.
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chewing on the “good” side made my jaw ache
Same here, but I actually noticed it more when I tried to avoid the treated side. My jaw muscles on the opposite side felt sore, almost like they weren’t used to handling everything.
- For me, it took about a week before chewing felt normal again. I guess our jaws really do adapt to whatever’s easiest, and any sudden switch just throws things off balance.
- Funny thing—I kept thinking my dentist had messed up my bite, but it turned out to be just muscle fatigue. Goes to show how interconnected everything is in there.


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kathyj63
Posts: 9
(@kathyj63)
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Dude, I totally relate to that weird jaw soreness after a root canal. It’s wild how just switching up the side you chew on can mess with your whole face, right? I remember after my last one, I was so paranoid the dentist had jacked up my bite alignment or something, but it was really just my jaw muscles throwing a fit.

I actually tried to “save” the treated side for way too long and only chewed on the other side. Big mistake. The muscle fatigue was real—like, I woke up with that dull ache, almost like I’d been clenching my teeth all night. I even googled TMJ stuff because I was convinced something more serious was going on. Turns out, it was just my jaw adapting. Bodies are weird.

What’s funny is how fast things go back to normal once you start using both sides again. I was so cautious at first, but after about a week (give or take a few days), I barely noticed anything off. I guess the muscles are kinda like computer RAM—they freak out when you suddenly change up the workload, but then they stabilize once things even out.

Honestly, it’s kind of a relief knowing others have the same experience. Makes me feel less like I’m overreacting. And yeah, the whole “puzzle piece” feeling is spot on—my bite felt like it didn’t quite fit together for a bit, but it sorted itself out.

Hang in there if you’re still dealing with this. It’s annoying, but it does get better. Just don’t be afraid to use the treated side (once your dentist says it’s cool, obviously). Babying it too much just makes the other side cranky.


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Posts: 8
(@dpeak92)
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That’s interesting, because I actually did the opposite after my root canal—I started using the treated side as soon as it didn’t hurt, just because I was more worried about messing up my bite if I avoided it. The soreness was still there for a bit, but it never got as bad as what you described. I wonder if it really is better to push through (carefully) instead of favoring one side? Maybe everyone’s jaw adapts differently...


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peanut_carter
Posts: 22
(@peanut_carter)
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I started using the treated side as soon as it didn’t hurt, just because I was more worried about messing up my bite if I avoided it.

Totally get this. Honestly, you’re not wrong to worry about your bite going weird if you avoid one side for too long. The jaw’s a funny thing—it likes balance, and when you chew only on one side for a while, the muscles on that side start working overtime. That’s why folks sometimes get that weird soreness or even headaches.

But yeah, pushing through (with caution) is usually fine once the pain’s under control. I always tell people: If it hurts, back off; if it’s just a bit sore, gentle chewing can actually help things settle back to normal. Everyone’s pain threshold is different, though. Some people bounce back in days, others need weeks—no shame either way.

Had a guy once who refused to chew on his root canal side for almost a month... came back with jaw pain and convinced he’d “broken his face.” Nope, just muscle fatigue. Sometimes our bodies overreact.

Long story short, your approach makes sense—just don’t force it if your body’s screaming at you.


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hollybrown949
Posts: 34
(@hollybrown949)
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I get where you’re coming from, but honestly, I’m not always convinced that jumping back to chewing on the treated side is the best move for everyone. When I had my root canal, I waited a solid week longer than my dentist suggested because even mild soreness freaked me out a bit. Didn’t mess up my bite or anything—just gave myself time. I feel like sometimes we put too much pressure on ourselves to “get back to normal” fast, when our jaws might just need a little more patience. That said, I totally get why folks worry about favoring one side... but I’d say it’s okay to take it slow if that feels right.


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