The permanent teeth erupt while undergoing tooth formation and root lengthening. These immature teeth are more vulnerable to pulp exposure. Faced with the necessity for root canal treatment, and taking into account the unlikely possibility of successful obturation of an immature canal system, it is recommended that these developing teeth be treated by a biological approach. When the vital pulp of a tooth is exposed and the pulp is not irreversibly inflamed and apical development and closure is incomplete apexogenesis procedures are recommended. Vital pulp therapy techniques are described.
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