INBDE (Integrated National Board Dental Examination) Practice Exam

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Treatment for extrusion of primary tooth <3mm is:

  1. Pulpotomy

  2. Extract

  3. Reposition, splint 1-2 weeks, endo treatment

  4. No treatment, soft diet, reinforce oral hygiene instruction (OHI)

The correct answer is: Reposition, splint 1-2 weeks, endo treatment

When a primary tooth is extruded (partially displaced from its socket) by less than 3mm, the recommended treatment involves repositioning the tooth back into its original position, splinting it for 1-2 weeks to stabilize it, and considering endodontic treatment if necessary. This approach aims to restore the tooth to its proper alignment and functionality while allowing the surrounding tissues to heal properly. In cases where the extrusion is minimal, maintaining the primary tooth with appropriate treatment is preferred as it helps maintain the space and alignment for the erupting permanent teeth. Options A, B, and D are not the ideal treatments for an extruded primary tooth of less than 3mm. A pulpotomy (option A) involves the removal of the coronal portion of the dental pulp, which is not the primary concern in cases of extrusion. Extraction (option B) is generally not recommended for primary teeth unless absolutely necessary, as premature loss of primary teeth can lead to various complications such as misalignment of permanent teeth. Option D, which suggests no treatment and only soft diet and oral hygiene instruction, is not the appropriate course of action for managing an extruded primary tooth, as it does not address the need for repositioning and stabilization of the tooth to prevent further complications.