PMID: 9178109May 1, 1997Paper

Marginal bone level buccal to mandibular molars in digital radiographs from charge-coupled device and storage phosphor systems. An in vitro study

Journal of Clinical Periodontology
E BorgH G Gröndahl

Abstract

The aim of this in vitro study was to compare bone loss measurements in the furcation area of mandibular molars in digital radiographs from a CCD-(Sens-A-Ray) and a storage phosphor (Digora) system, 10 1st and 7 2nd mandibular molars, with intact lingual but reduced buccal bone with furcation involvements, were used. Radiographs were first taken with lead markers at the most apical part of the buccal bone and at the cemento-enamel junction. These radiographs were used to establish a radiographically true distance between the CEJ and the buccal bone level. The lead marker at the CEJ served as a reference point for the observers' subsequent estimates of the extent of bone removed, which were made in radiographs without lead markers at the bone level. 1 exposure (400 ms) for the CCD- and 5 (160 ms, 200 ms, 250 ms, 320 ms, 400 ms) for the storage phosphor system were used. Measurements were made in unprocessed (original) and processed images (contrast enhanced and/or high pass filtered). The results showed underestimation of bone loss, but smaller than previously reported for film radiographs. No significant difference was found between the 2 systems when compared at the same exposure. Nor were any significant differences found bet...Continue Reading

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Citations

Jul 25, 2012·Clinical Oral Investigations·Tomaž Hitij, Aleš Fidler
May 19, 2001·Clinical Implant Dentistry and Related Research·E BorgH G Gröndahl
Apr 25, 2000·Journal of Periodontology·E Hausmann
Aug 13, 2011·Dento Maxillo Facial Radiology·Semanur DölekoğluD İlgüy
May 14, 2004·Dento Maxillo Facial Radiology·W E R BerkhoutP F van der Stelt
Dec 18, 2008·Journal of Applied Oral Science : Revista FOB·Gulnara ScafLeonor de Castro Monteiro Loffredo
Aug 5, 1998·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·E BorgH G Gröndahl
Oct 10, 2007·Dental Materials : Official Publication of the Academy of Dental Materials·R NomotoS Hirano
Dec 20, 2007·Acta Odontologica Scandinavica·Gang LiUlf Welander
Oct 22, 2008·Acta Odontologica Scandinavica·Christina Heuck HenrikssonAnne Møystad
Dec 11, 2003·The Journal of the American Dental Association·Ahmed KhochtKuang-Min Chang

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