ANTONIA REEVE / SCIENCE PHOTO LIBRARY ANTONIA REEVE / SCIENCE PHOTO LIBRARY
Dental surgery. Image 1 of 4. Dentist breaking the gum attachment to the tooth of a 14-year-old girl, in preparation for extraction. The patient is under general anaesthetic and has a laryngeal airway mask running down her throat. The dental assistant is using a suction tube to remove excess saliva and blood so that the dentist can see the area more clearly. The tooth is being removed in order to allow an undescended tooth to come through. For a sequence showing the dental treatment for this undescended tooth, see images M780/606-609.
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