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Lip Pits and Congenital Absence of Second Premolars: Varied Expression of the Lip Pits Syndrome
  1. Edward L. Schneider
  1. 1Department of Pediatrics, University of California—San Francisco; San Francisco, California 94122, USA


    A family with the lip pits syndrome is described in which nine of the 11 affected members have hypodontia involving the second premolars.

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    • Present address: Mammalian Genetics Section, Laboratory of Cellular and Comparative Physiology, Gerontology Research Center, Baltimore City Hospitals, Baltimore, Maryland 21224, USA.

    • * This work was aided by grants from the National Foundation—March of Dimes, Maternal and Child Health Service (USPHS), and the National Institute of General Medical Sciences, USPHS.