What does "Lower left #17" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Lower left #17" is a term used in dentistry to identify a specific tooth. The mouth is divided into four quadrants when numbering teeth, with the upper right being 1-8, upper left 9-16, lower left 17-24, and lower right 25-32. So, "Lower left #17" refers to the first tooth in the lower left quadrant of the mouth, which is typically a molar.
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