The proof is in the patient.
D005260:Female; D006801:Humans; D016365:Liability, Legal; D008318:Malpractice / Q000331:legislation & jurisprudence*; D008964:Molar, Third / Q000601:surgery; D010361:Patients / Q000331:legislation & jurisprudence*; D013900:Thoracic Nerves / Q000293:injuries; D014081:Tooth Extraction / Q000009:adverse effects