Letters

Side effects of dental materials

BMJ 1995; 310 doi: http://dx.doi.org/10.1136/bmj.310.6971.58 (Published 07 January 1995) Cite this as: BMJ 1995;310:58
  1. Harald J Hamre
  1. General practitioner PO Box 2139 Grunerl(empty set)kka, N-0505 Oslo, Norway

    EDITOR,—Ivor A Mjor estimates that side effects of dental restorations occur at a frequency of between 1 in 1000 and 1 in 10000 treatments.1 In stating this he refers to his paper presented at the National Institutes of Health's technology assessment conference on dental materials in 1991. This paper refers to a single study by Kallus and Mjor, which recorded 24 spontaneously reported subjective side effects and 22 objectively diagnosed side effects of dental treatment …

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