Columbia subject headings:
Teeth--Care and hygiene--Arab countries.
Teeth--Care and hygiene--Early works to 1800.
Harvard subject headings:
Mouth--Care and hygiene--Religious aspects--Islam.
Purity, Ritual--Islam.
Toothpicks--Religious aspects--Islam.
Princeton subject headings:
Mouth--Care and hygiene--Religious aspects--Islam.
Purity, Ritual--Islam.
Teeth--Care and hygiene.