Although a tooth that turns grey usually doesn’t hurt, it certainly stands out. It can appear lifeless, darker than the rest, and might even stop you from smiling with confidence.
Fortunately, and more importantly, there’s a simple solution. It’s called internal tooth whitening.
Why Does a Tooth Turn Grey?
A grey or dark tooth often means the tooth is “dead” – in other words, the nerve inside has stopped working. This can happen for two main reasons:
- An injury or accident – even a light bump that happened years ago
- Deep tooth decay – if the cavity reached the nerve
Many patients don’t even remember a specific injury. Sometimes it was just a small hit that slowly caused the nerve to die. As a result, the tooth loses its natural color and turns grey or brown.
Can a Grey Tooth Be Whitened?
Although a tooth that turns grey usually doesn’t hurt, it certainly stands out and draws attention. It can appear lifeless, noticeably darker than the surrounding teeth, and might even stop you from smiling with full confidence. Consequently, many people feel self-conscious about their smile when dealing with this issue.
Fortunately, and more importantly, there’s a simple and effective solution to this problem. It’s called internal tooth whitening. Not only does this treatment restore the tooth’s natural color, but it also improves your overall appearance and confidence. Moreover, internal tooth whitening targets the discoloration from within, which makes it more successful than surface whitening methods.
Therefore, if you notice your tooth turning grey, don’t hesitate to consult with a dental specialist who can guide you through the treatment process and help you regain a bright, natural smile.
How Internal Whitening Works
Here’s how we bring back the natural look of your tooth:
- Root canal treatment (if not done yet) – We clean the root canals to remove the dead tissue and seal the tooth
- Whitening gel is applied inside the tooth – This brightens it from the inside out
- Temporary filling – The tooth is sealed temporarily while the gel works
- We check the color after 1-2 days – If it’s not light enough, we repeat the process
- Final filling – Once the color looks good, the tooth is permanently sealed with a composite filling
How many visits are needed? It depends on how dark the tooth is and what shade you want to achieve. Some patients are happy after one session. Others may need a few more.

Why Patients from All Over the World Choose Us
- We’re not a general dental office – we specialize in full mouth reconstructions
- We offer a lifetime mechanical guarantee on dental implants
- Our prices are final – no hidden fees, ever
- Our team speaks English, German, Slovak, and even Korean
- We’re in Bratislava (walking distance from the airport) and Piešťany (the spa city)
- And yes – other dentists trust us with their smiles too
Want to fix the color of your tooth?
2 Responses
Hello I am student here & unfortunately I had a traumatic incident on my canine,after which it became gray. I saw that you offer as a treatment internal whitening & beginning with the process of bleaching.How much the treatment would cost ?
Dear Ioannis,
We are already communicating via emails. The internal whitening costs 50€ with us.
I hope this helps
Regards