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Previous Volume 361:1611 October 15, 2009 Number 16 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: In their description of a patient with osteogenesis imperfecta, Bitton et al. (July 2 issue)¹ allude to the patient's remark that his dentist noted "thin tooth enamel," although on clinical examination the "teeth appeared normal." During enamel formation, there is production of matrix protein that mineralizes, but no collagen is involved. The dentin of the tooth crown and the bulk of the tooth roots are similar in composition to bone, although they are different in structure, and collagen matrix is mineralized in dentin formation. The changes observed on dental radiography in many cases of osteogenesis imperfecta are . . . [Full Text of this Article]

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