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Dental crowns: zirconia vs porcelain, which lasts longer?

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film_jack5014
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(@film_jack5014)
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I hear you on the crunchy food anxiety—bit into a kettle chip once and nearly launched my old porcelain crown across the room. Not my finest moment. The whole “mismatched but sturdy” thing does make sense, especially if you’re not flashing your molars for every selfie.

But here’s how I look at it, step by step (with a little humor, because teeth drama needs it):

1. Porcelain looks great—like, “Hollywood smile” great—but it’s kind of like that one fancy mug you’re afraid to use. Drop it once, and you’re piecing it back together with superglue (not recommended for teeth, by the way).

2. Full zirconia is tough as nails. I mean, you could probably chew on a brick (please don’t) and it’d be fine. Downside? Sometimes it’s a bit too opaque, so if you’re picky about color matching, it can be a little obvious.

3. The “porcelain-fused-to-zirconia” option is like the mullet of crowns: business on the inside (strong), party on the outside (pretty). You get the strength from zirconia and the natural look from porcelain. I’ve had one on a back molar for three years now—no chips, no weird looks, and I eat popcorn without fear.

4. Color matching is better than it used to be. Unless you’re walking around with a dentist’s mirror, most people won’t notice a thing.

I was skeptical about hybrids at first, but after my dentist showed me a sample (and I realized I could still eat tortilla chips without panic), I was sold. Only thing I’d say—if you grind your teeth at night, maybe ask about a night guard. Even zirconia doesn’t love being gnawed on 8 hours straight.

At the end of the day, nothing lasts forever in your mouth (except maybe that bit of spinach you missed), but if you want something that’ll hold up to daily life and still look decent, the hybrid crowns are worth asking about.

And hey, mismatched or not, at least you’re not stuck with those old-school metal ones that make your tooth look like it’s cosplaying as a robot...


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Posts: 22
(@dance_oreo)
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That’s a pretty spot-on breakdown. I’ve got a mix in my mouth too—one old porcelain-fused-to-metal in the back that’s been hanging on for almost 15 years (but the metal edge is starting to peek through), and a newer full zirconia on the other side. I’ll admit, the zirconia one feels indestructible, but yeah, it’s a little more “tooth-shaped marble” than “natural tooth” if you look up close. I guess I don’t really care since it’s not a front tooth.

The hybrid crowns are interesting. I was worried about chipping at first, but so far, nothing’s happened—knock on wood. My dentist did mention that if you’re a big-time grinder, even the toughest materials can wear down faster, so I ended up with a night guard too. Not the most comfortable thing, but it beats replacing a crown every few years.

Curious—has anyone actually had a full zirconia crack or break on them? I keep hearing they’re nearly bulletproof, but I’m wondering if anyone’s managed to break one (accidentally, of course).


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charlese11
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I’ve actually seen a handful of full zirconia crowns crack, but it’s pretty rare and usually tied to some serious grinding or biting down on something hard (think olive pit or ice). Most folks never have an issue—like you said, they’re basically tooth armor. The few times I’ve seen fractures, it was either a super thin crown (sometimes on the front teeth, where they make them extra slim for looks) or someone who didn’t stick with their night guard.

Porcelain-fused-to-metal, on the other hand, tends to chip or show that metal edge over time, especially if your bite changes or gums recede. You’re right about the “marble” look of zirconia up close—it’s not perfect for front teeth if you’re picky about aesthetics, but for molars it’s tough to beat. Personally, I’d rather wear a night guard and keep my crown for a decade than go through another replacement.


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data613
Posts: 22
(@data613)
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That “marble” look on zirconia really bugs me for front teeth too—my cousin’s looks a bit like a tiny bathroom tile. Anyone here had luck with those newer translucent zirconias? Wondering if they’re actually less chunky-looking or just marketing hype.


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dev_eric1228
Posts: 12
(@dev_eric1228)
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my cousin’s looks a bit like a tiny bathroom tile

I totally get what you mean—my biggest worry is ending up with something that looks fake or too “perfect.” I haven’t tried translucent zirconia yet, but my dentist showed me a sample and it did seem a little more natural... still not sure if it’s just the lighting in their office, though. Did anyone notice if they feel less bulky than regular ones? I’m also kinda nervous about how strong they are compared to porcelain—like, do they chip more easily?


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