Ethics & Law · patient case question

Each of the following should be included in Patient A’s informed consent for extraction EXCEPT one. Which is the EXCEPTION?

Patient case: Consent Across Three Patients

Patient: 39-year-old male, plus two additional patients seen the same day

Chief Complaint: “My wisdom tooth on the bottom left is broken down and I want it out.”

Background: Patient A: 39-year-old male, healthy, no medications, no anticoagulant or antiplatelet therapy, no allergies. Tooth #17 grossly carious and non-restorable. Risks, benefits, and alternatives to extraction were discussed in full; he asked questions, expressed understanding, verbally agreed, and signed the consent form. Patient B: 5-year-old male attending with his mother for restorative treatment. Patient C: 44-year-old male rendered legally incompetent following a gunshot injury to the head; his wife has been appointed his legal guardian by the court.

Medications: Patient A: none

Vital Signs: Patient A: BP 120/76 mmHg · HR 72 bpm · RR 16 · T 98.6°F

Findings: Patient A: #17 with gross distal caries extending subgingivally, non-restorable. No pericoronitis, no trismus, no lymphadenopathy.

  1. Risk of postoperative infection
  2. Risk of delayed or impaired wound healing
  3. Risk of paresthesia of the lower lip or tongue
  4. Risk of bleeding related to his anticoagulant medication
Show answer and explanation

Correct answer: D. Risk of bleeding related to his anticoagulant medication

  • A. Incorrect — this should be included. Postoperative infection is a standard disclosable risk of a surgical procedure.
  • B. Incorrect — this should be included. Delayed healing and alveolar osteitis are recognized risks of any extraction and must be disclosed.
  • C. Incorrect — this should be included, and it is particularly important for #17. The inferior alveolar and lingual nerves lie in close proximity to mandibular third molars, and paresthesia is the most significant specific risk of this procedure.
  • D. Correct — this is the exception. He takes no anticoagulant or antiplatelet medication, so a medication-related bleeding risk does not apply to him. Consent must be individualized to the actual patient rather than recited generically.

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