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Dr Jurgita Smiles

Dark Tooth Internal Whitening

One upper front tooth had darkened from the inside after earlier root canal treatment, sitting noticeably greyer than the tooth beside it. Rather than cutting the tooth down for a crown or veneer, whitening gel was placed inside the tooth through a small access opening behind it and refreshed over a short series of visits until the shade matched its neighbour. The access cavity was then sealed and polished with tooth-coloured composite. No healthy enamel was drilled from the front of the tooth. Treatment was carried out in Marylebone, London, and results shown are individual to this patient.

Shared with patient consent. Results are individual to this patient.

Retracted before and after comparison of the upper front teeth, showing one darkened central incisor above and the same tooth matched in shade below.

Clinical photos

  • Clinical photograph from behind the upper front teeth showing the small access cavity used for internal whitening above, and the sealed, polished composite below.
    Palatal view — the internal whitening access opening, before and after sealing
  • Angled clinical close-up of the whitened front tooth after treatment, showing natural translucency and surface texture.
    Side view after treatment — shade, translucency and surface detail
  • Black-and-white clinical photograph of the upper front teeth used to check that the brightness of the treated tooth matches its neighbour.
    Black-and-white view — value and brightness matched across both incisors
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