Document Detail

Accuracy of radiographic assessment of interproximal bone loss in intrabony defects using linear measurements.
MedLine Citation:
PMID:  10706480     Owner:  NLM     Status:  MEDLINE    
The aim of the present study was to examine the accuracy of linear measurements on radiographs of interproximal bone loss in intrabony defects utilizing the gold standard of surgical measurements. In 22 patients with untreated advanced periodontal disease, 33 standardized radiographs were taken presurgically. The horizontal and vertical angulation difference of the central beam from the orthoradial projection and radiographic magnification was calculated for each radiograph. At the time of surgery, for 34 interproximal intrabony defects, the distances from the cemento-enamel junction (CEJ) to the bottom of the bony defect (BD) and alveolar crest (AC) to BD, and the height of the one-, two- and three-walled section of the intrabony defects were measured. In all radiographs, the linear distance CEJ to BD was assessed. Radiographic and surgical assessments were compared. A stepwise multiple linear regression analysis was used to evaluate factors (angulation difference, patient, surgical measurements) that influenced the discrepancy between radiographic and surgical measurements. The radiographic assessments underestimated bone loss as compared to surgical measurements (1.41+/-2.58 mm).
P Eickholz; E Hausmann
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  European journal of oral sciences     Volume:  108     ISSN:  0909-8836     ISO Abbreviation:  Eur. J. Oral Sci.     Publication Date:  2000 Feb 
Date Detail:
Created Date:  2000-03-09     Completed Date:  2000-03-09     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9504563     Medline TA:  Eur J Oral Sci     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  70-3     Citation Subset:  D; IM    
Department of Operative Dentistry and Periodontology, Dental School, Ruprecht-Karls-University Heidelberg, Germany.
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MeSH Terms
Alveolar Bone Loss / radiography*,  surgery
Linear Models
Middle Aged
Radiographic Image Interpretation, Computer-Assisted
Radiography, Dental / standards*
Reproducibility of Results
Statistics, Nonparametric

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