NBDHE Practice Questions - National Board Dental Hygiene Examination Exam

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Case 005 (Head & Neck Anatomy): A patient reports persistent lower-lip paresthesia after a prior mandibular block at another clinic while preparing the home-care plan. Which step is most appropriate before attempting another inferior alveolar injection?

Reconfirm pterygomandibular-space landmarks and needle path relative to the mandibular foramen before reinjection. Switch to a maxillary PSA approach because lower-lip symptoms indicate posterior superior alveolar involvement. Inject directly into the lingual frenum to improve anesthetic diffusion. Skip landmarking and deliver a rapid full-cartridge injection without aspiration.

Correct Answer:

Reconfirm pterygomandibular-space landmarks and needle path relative to the mandibular foramen before reinjection.

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