Why does my dental crown smell?

Have you ever been in a situation where your dental crown started emitting an unpleasant smell? If so, then you’re not alone. This is a common problem faced by many people with dental crowns.

In this article, we’ll take a closer look at the reasons behind foul-smelling dental crowns and how to prevent it from happening again. So hold on tight as we embark on this journey of stinky teeth!

What Are Dental Crowns Exactly?

Before we dive into the real question at hand, let’s first understand what dental crowns are exactly.

Dental crowns are tooth-shaped caps designed to fit over weakened or damaged teeth. They help protect and strengthen these compromised teeth while giving them an aesthetically pleasing appearance.

Dental crowns can be made from various materials like porcelain, metal alloys, or resin composite depending on the needs and preferences of the patient.

Fun Fact: Did you know that ancient Egyptians used animal bones and seashells to create makeshift dental implants for missing teeth?

The Culprits Behind Smelly Dental Crowns

Now let’s move onto the more interesting topic – why do some dental crowns give off an unpleasant odor? Here are some possible culprits:

Decay Underneath the Crown

One of the most common reasons behind smelly dental crowns is decay underneath them. If bacteria start accumulating under your crown due to poor oral hygiene practices or if there was initially decay present when getting fitted for your crown but not visible until after placed that could cause bacterial growth leading to bad breath/halitosis in addition fissuring around existing restorations means bacteria have entered under through microspaces elsewhere before finally gathering within our enamel decreasing its structural integrity which overall weakens resistance against microbes eventually causing smells/etc..

If left untreated long enough, this can lead to further complications such as gum infections or even root canal treatment. Hence, it’s essential to promptly address any foul smells emanating from dental crowns before the situation escalates.

Post-Operative Infections

Another possible reason for unpleasant-smelling dental crowns is post-operative infections. If your crown was installed incorrectly or infected during the surgery, it could lead to a putrid smell from bacteria being trapped and multiplying under the cap.

Post-operative oral hygiene is also of paramount importance as even minor compromises like missed refills after antibiotic are prescribed can mean microbes persist[1].

Decaying Porcelain Crown

Porcelain teeth tend to absorb odor more easily than other materials used for crowns especially if poorly maintained [4]. So, if you have a porcelain crown that hasn’t been brushed/cleaned regularly or cleaned with harsh chemicals/abrasive substances by mistake over time then there’s likely an accumulation of plaque/tartar on its surface allowing bacteria access into microscopic crevices where they’ll start decomposing organics substrates giving off nasty smells[3;6] (especially upon closer inspection).

Gum Disease

Gum disease/gum recession often leads to bad breath in patients which can be transferred onto their adjacent teeth, including those beneath dental caps. Bacteria love gum disease due to collection pockets allow them freedom crawl past our enamel layer infiltrating dentin/pulp layers break down tooth further forming cavities/etc..thus increasing malodor significantly [2].

In addition—gums recede with age exposing more natural structure such as root clearances between covering materials illustrating how important proper care routines & regular oral exams remain rigidly necessary preventive measures against smelly surprises.

Prevention Tips

Prevention is always better than cure when it comes to anything related to maintaining healthy teeth/gums so here are some helpful tips:

  • Brush twice per day.
  • Floss floss floss: make sure you remove all buildup hereto undetected at least once per day[5].
  • Use an antibacterial mouthwash to kill lingering insects even brushing/flossing left behind.
  • Rinse your mouth with saltwater irrigators regular basis helps keep away buildup.

If you smoke or consume tobacco regularly, it’s essential that you brush after every smoke for fresher smelling breath. Cutting down on alcohol consumption as well can lead isn’t the easiest thing but making small actionable goals are perhaps better than complete unmanageable restrictions although acknowledging limits of permissible consumption is probably best if looking long-term oral preventive care over life span.


After detecting the source of dental crown odor-treatment options include using series antimicrobial drops in addition treating gum disease/as needed through prescribed medication or deep scaling tasks paired properly spaced cleaning openings between teeth [7]. Avoid using abrasive substances/commercial toothpaste if possible to help reduce and prevent damage to crowns themselves thus reducing bacteria exposure way keeping natural tooth structure healthier longer term again acknowledged need for proper hygiene practices..

On some occasions, a Crown lengthening procedure via minor surgical intervention may benefit individual needs/assistance prior discussing relevant factors.


Our humorous exploration into smelly dental crowns has definitely shed light onto all aspects dentistry-related whilst simultaneously kept the mood lighthearted throughout. Bad smells will indeed emanate from anywhere poor hygiene practices rule; however, our final tips and treatments serve both informative purposes too. In closing one must continue finding ways maintaining oral health routine no matter how difficult it seems given daily rigamarole work-related stresses etc., follow necessary routines/procedures experts prescribe evenings will be much sunnier sooner than expected thanks none other than healthy smelling teeth!

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