Denture marking. A study of temperature resistance of different metal bands for ID-marking.

Dentures are not always marked. In Sweden legislation now exists to enforce it. This study was undertaken to establish the frequency of marked dentures, the incidence of edentulousness and a temperature resistance test of three possible marking bands. Patients from two long-term units were included in the study (n = 58). Observation of the dental status included absence of teeth, some teeth present and influence of dentures, complete, partial, upper or lower. Marking of the dentures was also recorded. Three different types of steel bands (Jasch; Remanit; ID-band) were exposed to temperature levels of 1100, 1200 and 1300 degrees C. Of a total of 58 patients 64% were edentulous and only 17 of the patients could be identified by means of the denture markings. None of the metal bands had readable markings at 1200 and 1300 degrees C, but at 1100 degrees C the ID-band and the Jasch band were readable, but not the Remanit band.