4.4Treatment plan for immature permanent teeth
1. IPT for immature permanent teeth
Indirect pulp treatment is a procedure performed in a tooth with a diagnosis of reversible pulpitis and deep caries that might otherwise need endodontic therapy if the decay was completely removed. In recent years, rather than complete the caries removal in two appointments, the focus has been to excavate as close a possible to the pulp, place a protective liner, and restore the tooth without a subsequent reentry to remove any remaining affected dentin. The risk of this approach is either an unintentional pulp exposure or irreversible pulpitis.
Indications: Indirect pulp treatment is indicated in a permanent tooth diagnosed with a normal pulp with no symptoms of pulpitis or with a diagnosis of reversible pulpitis. The pulp is judged by clinical and radiographic criteria to be vital and able to heal from the carious insult.
2.Apexification for immature permanent teeth
Apexification is a method of inducing root end closure of an incompletely formed nonvital permanent tooth by removing the coronal and nonvital radicular tissue just short of the root end and placing a biocompatible agent such as calcium hydroxide in the canals for two to four weeks to disinfect the canal space. Root end closure is accomplished with an apical barrier such as MTA. In instances when complete closure cannot be accomplished by MTA, an absorbable collagen wound dressing can be placed at the root end to allow MTA to be packed within the confines of the canal space.
Indications: This procedure is indicated for nonvital permanent teeth with incompletely formed roots.
3. Pulp Revascularization for immature permanent teeth
Pulp revascularization for immature permanent teeth can be defined as biologically cased procedures designed to replace damaged structures, which include dentin, root structures, and cells of the pulp-dentin complex. These procedures provide a biological alternative to induce continuous root development and reduce the risk of fracture assoicated with traditional treaments of immature teeth with necrotic pulps, such as calcium hydroxide or MTA apexification, where the root remains thin and weak.
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