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Thirty-five per cent carbamide peroxide and 35% hydrogen peroxide were equally effective for intracoronal bleaching, and significantly better than sodium perborate after 7 days. After 14 days, there were no significant differences between the groups. Thirty-five per cent carbamide peroxide can be recommended as an equally effective alternative to hydrogen peroxide for intracoronal bleaching.

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Carbamide peroxide had very low levels of extraradicular diffusion of HP, in the presence of cemental defects. It could be an alternative to the other intracoronal bleaching agents.

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The healthy pulp has good healing potential when it is exposed, although the exact repair mechanism is still undetermined, and it is not material‐specific. Calcium hydroxide appears to promote the healing process and is the most widely accepted capping material. Paste‐type calcium hydroxide formulations are more consistent in promoting healing of pulp exposures than cement forms where bacterial microleakage is eliminated. The prognosis for pulp capping with calcium hydroxide is good if the pulp has no pre‐existing symptoms of pain, and the environment provided for it is suitable. This requires the absence of blood clots and bacterial contamination. Where there are some symptoms of pain in a vital tooth, pretreatments with suitable materials improve the prognosis.