Best Mouthwash for Dental Crowns

November 21, 2025
(Updated: November 22, 2025) Written By: Joyce Kahng, DDS

What is the best mouthwash for dental crowns? The best mouthwash for dental crowns is an alcohol-free, fluoride-based rinse that keeps your teeth strong, supports gum health, and protects the adhesive that holds your crown in place. Look for gentle formulas that fight bacteria and freshen your breath without irritation.

Highlights

  • Choose an alcohol-free, fluoride mouthwash to protect both crowns and natural teeth.
  • Avoid whitening or acidic rinses, which can weaken bonding materials.
  • Mouthwash helps prevent plaque and gum irritation around crown edges.
  • ACT, Crest, Listerine Zero, and CloSYS are top dentist-recommended brands.
  • Proper use, 30 seconds twice daily, keeps your smile fresh and your crowns lasting longer.

Why Your Mouthwash Choice Matters

A dental crown can beautifully restore a damaged tooth, but caring for it properly is key to keeping it strong and healthy. Many people think brushing and flossing are enough, but mouthwash plays a big role too. The right rinse helps prevent bacteria from building up where your crown meets your gumline, and keeps the supporting tooth underneath strong for years.

Why Mouthwash Matters for Dental Crowns

Woman using mouthwash.

Even though crowns can’t decay, the tooth beneath and around them can. Using the right mouthwash strengthens enamel, fights bacteria, and keeps gums healthy.

Mouthwash is especially important for crowns because it:

  • Reduces plaque around the crown’s edges
  • Strengthens the tooth under the crown
  • Keeps gums firm and free from inflammation
  • Maintains a clean, fresh feeling all day long

It’s one of the simplest ways to protect your investment and keep your smile bright.

What to Look for in a Mouthwash for Dental Crowns

Not all mouthwashes are created equal. Some are too harsh for crowns, while others don’t offer enough protection. Here’s what to look for when shopping for the right rinse.

Alcohol-Free Formula

Alcohol can dry out your mouth and weaken the bonding cement that holds your crown. Choosing an alcohol-free rinse helps preserve the adhesive and prevents sensitivity.

Fluoride Protection

Fluoride helps strengthen the natural tooth beneath the crown and nearby teeth. It’s your first line of defense against decay and secondary cavities.

Antibacterial Ingredients

Look for formulas with cetylpyridinium chloride (CPC) or essential oils to help fight plaque and bacteria. These ingredients protect your gums from inflammation.

Gentle and Non-Abrasive

Avoid strong whitening rinses or products with hydrogen peroxide, which can damage the bonding material or irritate gums.

ADA Seal of Acceptance

A mouthwash with the ADA seal guarantees it’s been tested for both safety and effectiveness.

Best Mouthwash Options for Dental Crowns

Here are some trusted, dentist-approved options that keep crowns and natural teeth healthy, without irritation.

ACT Total Care Anticavity Fluoride Mouthwash

ACT Total Care Anticavity Fluoride Mouthwash

  • Alcohol-free and gentle for daily use
  • Strengthens enamel and helps protect areas around crowns
  • Great for sensitive teeth and gums

Crest Pro-Health Advanced Mouthwash

Crest Pro-Health Advanced Mouthwash

  • Combines fluoride with antibacterial ingredients
  • Protects against plaque and gum issues
  • Freshens breath without alcohol or burning sensation

Listerine Total Care Zero Alcohol

Listerine Total Care Zero Alcohol

  • A gentler version of the classic Listerine
  • Kills bacteria, strengthens enamel, and fights plaque buildup

CloSYS Sensitive Mouthwash

CloSYS Sensitive Mouthwash

  • pH-balanced and sulfate-free
  • Ideal for people with sensitive mouths or multiple crowns
  • Neutralizes odors and helps maintain gum health

What to Avoid When Choosing a Mouthwash

Some mouthwashes can actually do more harm than good for crowned teeth. Avoid these to keep your restoration and gums in top condition.

  • Alcohol-based rinses: Can dry out tissues and weaken bonding cement.
  • Whitening mouthwashes: Often contain hydrogen peroxide that can damage crown materials.
  • Highly acidic rinses: May erode enamel or irritate gums.
  • DIY or homemade rinses: Ingredients like vinegar or baking soda can alter your mouth’s pH.

How to Use Mouthwash the Right Way

Even the best mouthwash won’t help if it’s not used correctly. Follow these simple tips to make your rinse part of an effective daily routine.

  • Swish for 30 seconds to 1 minute after brushing and flossing.
  • Avoid eating or drinking for 30 minutes after rinsing to let fluoride work.
  • Use mouthwash twice daily for best protection.
  • Replace your bottle every 3 months to maintain freshness and potency.

Bonus: Other Tips to Protect Your Dental Crowns

Taking care of your crowns goes beyond choosing the right mouthwash. Combine it with these everyday habits for the best results:

  • Brush twice daily with a soft-bristled toothbrush.
  • Floss gently around your crown to remove trapped food particles.
  • Avoid hard or sticky foods that could loosen or crack the crown.
  • Schedule dental cleanings every six months to monitor crown health.

FAQs

Can mouthwash damage my crown?

Not if you choose the right kind. Stick with fluoride-based alcohol-free mouthwash, rinses to avoid weakening the bonding cement.

Is mouthwash necessary if I brush and floss daily?

Yes. Mouthwash helps clean hard-to-reach areas and kills bacteria your toothbrush can’t reach.

Can I use whitening mouthwash on dental crowns?

No. Whitening rinses may discolor or dull the crown’s surface.

How soon can I use mouthwash after getting a new crown?

Wait about 24 hours, or follow your dentist’s post-procedure advice.

What’s the best daily routine for crown care?

Brush twice, floss once, and rinse with a fluoride mouthwash to protect both your crown and your gums.

 Protecting Your Crowns Starts with the Right Routine

Mouthwash is a small but powerful part of keeping your crowns, and your smile healthy. By choosing an alcohol-free, fluoride mouthwash, you’re protecting both your restored teeth and natural enamel for years to come.

Not sure which mouthwash fits your needs? Schedule a visit with Joyce The Dentist for personalized recommendations and expert care.

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