INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the treatment of choice for a vital 2nd molar with a 2mm exposure on a 12 year old?

Root canal therapy
Apexogenesis
Extraction
Direct pulp capping

The correct answer is: Apexogenesis

In a 12-year-old patient with a vital 2nd molar and a 2mm exposure, the treatment of choice would be apexogenesis. Apexogenesis involves the partial removal of the dental pulp, leaving the healthy pulp to continue root development. This procedure allows the root to continue to form and complete its growth, which is especially important in a young patient with developing teeth. It is preferred over immediate root canal therapy or extraction to preserve the vitality and functionality of the tooth in the long term. Root canal therapy (Choice A) would be more appropriate if there is irreversible pulpitis or necrosis present in the tooth. Extraction (Choice C) should be considered the last resort when other treatment options are not feasible or successful. Direct pulp capping (Choice D) may not be sufficient in a case with a 2mm exposure in a vital 2nd molar of a 12-year-old, as it may not provide adequate protection and support for continued root development.