Disadvantages of Dental Crowns: 8 Risks and Side Effects to Know

Dental crowns are recommended pretty routinely now. Root canals, cracked teeth, large fillings, worn molars. The conversation moves toward crowns quickly once a tooth loses enough structure.

Most articles about crowns focus on benefits and longevity. Less attention usually goes toward the downsides. Not dramatic downsides exactly. More of the smaller issues and complications dentists end up discussing during follow-up appointments later.

The thing with the disadvantages of dental crowns is that the problems vary depending on the tooth, the crown material, bite pressure, and how much natural tooth remains underneath before the crown is placed.

Some crowns last for many years without much trouble. Others become annoying in smaller ways long before they completely fail.
According to the Cleveland Clinic, dental crowns commonly last between 5 – 15 years, depending on the material and oral habits.

1. Tooth Sensitivity After Crown Placement

Sensitivity becomes one of the more common problems with crowns during the first few weeks. Cold drinks feel sharp suddenly. Biting pressure feels strange. Air exposure bothers the tooth while breathing through the mouth outdoors sometimes.

The crown itself is not usually the issue. The nerve inside the tooth may stay irritated for a while after the preparation appointment, where the enamel gets reduced around the tooth. Some teeth settle down quickly. Others stay sensitive much longer.

2. The Crown Can Feel “Off” While Biting

A crown that sits slightly high changes the chewing pressure immediately. The tooth may hit first while biting down, especially around molars. Jaw soreness sometimes follows after several days if the bite remains uneven.

Small bite adjustments fix this in many cases. Patients still notice it surprisingly quickly once chewing starts feeling different on one side. The sensation can become distracting during meals.

3. Crowns Can Crack Or Chip

Many crowns last for years, though damage can still happen. Hard foods occasionally chip crown edges. Night grinding wears certain materials down faster, too. Front crowns sometimes chip near the thinner edges where the porcelain becomes more delicate.

Metal crowns handle pressure differently. Zirconia crowns hold up better against force in many molar cases. The material conversation matters more after fractures start happening repeatedly.

4. Tooth Structure Gets Removed Permanently

Natural tooth structure has to be reduced before a crown fits properly. That part cannot really be reversed later.

The tooth is reshaped so the crown can fit correctly afterward. In many cases, the tooth already has large fillings or damage, so the preparation is not unexpected. Other teeth still contain a decent amount of healthy structure before preparation begins. That becomes one of the quieter disadvantages of crowns that people think about afterward.

5. Gum Irritation Around The Crown

The gumline around a crown sometimes stays irritated longer than expected. Certain crowns trap plaque more easily near the edges if the fit becomes rough or bulky. Food packing around molars creates problems, too.

Some crowned teeth develop mild gum irritation around the edges. The area may look puffy or bleed slightly during flossing. Cleaning changes can help, although the crown margin sometimes contributes to the problem too.

6. Decay Can Still Develop Underneath

The crown covers the tooth from the outside, though the natural tooth underneath remains exposed near the edges. That is where plaque and bacteria collect. Older crowns become more vulnerable once the cement weakens or small gaps start forming near the restoration. Some of these issues are part of the more common problems with crowns dentists see years later.

The crown itself may still look completely fine from the outside. That is why people sometimes miss the problem early on. The American Dental Association says crowned teeth still require regular cleaning and dental visits. Decay can still develop near the crown margins over time.

7. Problems With Capped Teeth During Grinding

Night grinding creates issues for many crowns eventually. Pressure builds repeatedly around the same teeth during sleep. Crown surfaces wear down. Porcelain fractures happen more often around heavy grinders, too.

Jaw soreness gets mixed into the picture sometimes. Cracked crowns. Loosened crowns. Chipped edges. Dentists recommend night guards pretty regularly after larger crown treatment plans for that reason.

8. Crowns Can Loosen Or Fall Off

Crowns occasionally loosen years later. The cement underneath weakens over time, or the tooth structure changes around the edges. Sticky foods pull loose crowns off sometimes. Caramel comes up in these conversations constantly.

A loose crown usually feels different right away. Pressure changes while chewing. Movement around the tooth. Cold air is sneaking underneath certain spots. Some crowns can be recemented. Others need replacement completely.

Why Front Crowns And Back Crowns Age Differently

Front teeth deal with appearance constantly. Small chips or color mismatches become easier to notice there. Back molars absorb a stronger chewing force every day instead. Cracks and wear become bigger concerns toward the back of the mouth.

The location changes the type of problems with capped teeth that show up later. Front crowns usually trigger cosmetic complaints first. Molars create bite and fracture discussions more often.

Why Older Crowns Start Looking Different

Crown margins change over time. Gum recession exposes darker edges around certain older crowns, especially crowns made with a mix of porcelain and metal. Some crowns begin looking slightly bulky near the gums years later as the surrounding tissue changes shape.

The crown itself may still function perfectly well. Appearance becomes the bigger issue in those situations.

When A Tooth With A Crown Needs A Root Canal Later

Crowns do not completely prevent nerve problems inside the tooth. Some crowned teeth eventually develop pain or deep decay underneath and require root canal treatment afterward. Dentists may drill through the existing crown to reach the nerve area, depending on the condition of the restoration.

Other cases end with full crown replacement afterward. That part surprises people occasionally since the tooth already looked “fixed.”

Why Crown Replacements Get Expensive

Replacing a crown usually costs close to the original treatment fee again. The old crown gets removed first. Then the tooth underneath has to be checked carefully for fractures or decay before a new impression or scan happens.

The cost can build up pretty quickly when several crowns are needed, especially on back teeth. According to the American College of Prosthodontists, crowns and replacement dental work become a major dental expense for many adults over the years.

FAQs

Disadvantages of dental crowns – What are they?

Some crowns become sensitive after placement. Others develop wear near the edges or irritation around the gums years later. Bite discomfort can happen, too, if the crown starts feeling uneven.

What are common problems that dentists see with capped teeth?

Loose crowns and trapped food are fairly common complaints. Some people also notice pressure while chewing. Older crowns can sometimes develop decay underneath as well.

Can crowns create problems for nearby teeth?

Certain materials create more pressure against nearby teeth during chewing and grinding. That extra wear sometimes becomes noticeable years later.

Do crowns eventually wear out?

Crowns usually do not last forever. The crown material and the stress placed on the tooth can affect the crown’s life.

Are zirconia crowns stronger?

Yes. Zirconia usually holds up better under strong chewing pressure, especially on back teeth.

Conclusion

The conversation around “disadvantages of dental crowns” usually becomes more relevant after the crown has already been there for a while. Some crowns stay completely problem-free for years. Others slowly develop wear, sensitivity, bite changes, or irritation around the gums. The material matters, although the condition of the tooth underneath matters too.

It is better to talk through possible problems with crowns before the crown is placed rather than being surprised by them years later. The dentist can usually tell during the exam which crown option may work better. They can check whether the tooth already has factors that could create problems later.