Layer thickness in panoramic radiography as defined by different noise-equivalent passbands

Masaru Shiojima, Åke Bäckström, Ulf Welander, William D. McDavid, Gunilla Tronje, Munetaka Naitoh

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The layer thickness in rotational panoramic radiography is presented with the use of the concept of the noise-equivalent passband. Conventionally, the layer thickness has been calculated only from one-dimensional data in the horizontal or rotational dimension of panoramic radiography. In the present study, results from calculations using both one- and two-dimensional data are presented. When the vertical dimension is included in the calculations, the layer is wider than when calculated from data in the horizontal dimension only. It is pointed out that the wider layer that follows from the introduction of the vertical dimension may be the most reliable measure of layer thickness in panoramic radiography.

Original languageEnglish (US)
Pages (from-to)244-250
Number of pages7
JournalOral Surgery, Oral Medicine, Oral Pathology
Issue number2
StatePublished - Aug 1993
Externally publishedYes

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Dentistry(all)


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