Evaluation of the Diagnostic Accuracy of Indirect Conventional and Inverted Processing Digital (PSP) Radiograph Images in Periapical Lesions

Document Type : Original Article

Authors

1 Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

2 Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

3 Dentist

4 Department of Prosthodontics, Faculty of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

5 Department of Operative Dentistry, Faculty of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran 6-Department of Orthodontics, Faculty of Dentistry, Islamic Azad University, Tehran, Iran.

6 Department of Orthodontics, Faculty of Dentistry, Islamic Azad University, Tehran, Iran.

Abstract

Background and Objectives: periapical lesions in a clinical problem is that there are often difficulties in detecting it. Since the diagnosis of periapical lesions in the periapical radiolucency on the observation area, so the diagnosis of periapical radiographic evaluation is important .The Target of this study is to assess the diagnostic exactness of indirect digital radiography (PSP) and the conventional processing in diagnosis of periapical lesions at invitro conditions.
Subjects and Methods: In this experimental - laboratory research, 60 synthetic lesions were formed under the apex of teeth using of single-root premolar teeth placed in the dried Mandible bone of sheep. These lesions were taken radiographs by two methods of digital and conventional. Two oral and maxillofacial radiologists examined the presence or absent of lesions in PSP pictures by conventional and reverse processing in each tooth.
Results: The average sensitiveness of observers in PSP radiography with conventional processing in mm1, 0mm/5, mm%25 are 46%, 63.5%, and 93.3% respectively which were reduced to 45%, 60% and 86.6% with PSP radiography of reverse processing. Digital radiography with conventional processing has the characteristics of (66%) in comparison with the (63.3%) digital radiography of reverse processing.
Conclusion: There isno significant difference between the sensitiveness of digital radiography with conventional and reverse processing.

Keywords

References

1-Ruddle CJ, Cohen S, Burns RC. Pathways of the pulp. 8th Ed. Philadelphia: St Louis; 2002.115-128.
2-Nicopoulou-Karayianni K, Bragger U, Patrikiou A, Stassinakis A, Lang NP. Image processing for enhanced observer agreement in the evaluation of periapical bone changes. Int Endod 2002; 35:615-622.
3-Christgau M, Hiller K, Schmalz G, Kolbeck C, Wenzel A. Quantitative digital subtraction radiography for the determination of small changes in bone thickness. Oral Surg Oral Med Oral Pathol 1998; 85:462-472
4-Wang A, Monsoar PA, Moule AJ, Basford KE. A comparison of Kodak ultraspeed and Ektaspeed plus dental x-ray films for detection of dental caries. Aust Dent J 2002; 47(1):27-29.
5-Razmus TF, Williamson GF. Current oral and maxillofacial imaging.1st Ed Philadelphia: W.C SANDERS. 1996; 6-184.
6-White SC, Pharoah MJ, eds. Oral Radiology: principle and interpretation. 6thed. St. Louis: Mosby Elsevier; 2009.p.78-99   
7-Ruddle CJ, Cohen S, Burns RC. Pathways of the pulp. 8th Ed. Philadelphia: St Louis; 2002.115-128.
8-Seltzer S: Endodontology. 2nd Ed. Philadelphia: Lea & Febiger; 1998.149-156.
9-wenzel A, moystad A. experience of Norwegian genereal dental practitioner with solid state and storage phosphor detectors. dentomaxillofac rdiol. 2001 jul; 30 (4):203-8.
10-Gijbels F, de meyer AM, Bou Serhal C, van den Bossche C, declerck J, persoons M, et al. The subjective image quality of direct digital and conventional panoramic radiography. clin oral Investig.2000 sep;4(3):162-7
11-Molander B, grondhal HG, ekestubbe A. quality of film-based and digital panoramic radiography. dentomaxillofac Radiol. 2004 Jan; 33(1):32-6
12-Akarsalan zz, Akdevelioglu M, Gungor K,Erten H. A comparison of the diagnostic accuracy of bitewing, periapical, unfiltered and filtered digital panoramic images for approximal caries detection in posterior teeth. dentomaxillofac radiol. 2008 Dec; 37(8):458-63
13-Mehdizadeh M, Karami M, Zamani H. Comparative study of conventional and digital radiography in diagnosis of periapical lesions in dry human mandible. Shiraz Univ Dent J 2008; 9(2); 163-169.
14-Tabarizadeh M, Abrisham SM, Yazdani E. The accuracy comparison of direct digital radiography (DDR) and conventional radiography in detecting chemically created lesions. J Dent Sch. 20011; 29(1):55-61.
15-Lazar RH, Younis RT, Parvey LS. Comparison of plain radiographs, coronal CT and interoperative finding in children with chronic sinusitis. Otolaryngol Head Neck Surg.1992 Jul; 107(1):29-34
16-Amin Tavakoli M, Varshowsaz M, Mobini M, Amin Tavakoli N. Diagnostic values of conventional radiography and digital subtraction radiography in detection of periapical bone lesions (An invitro study). J Dent Sch. 2008; 26(3):247-253
17-MGBQ Martins, EJ Whaites, GMB Ambrosano and F Haiter Neto. What happens if you delay scanning Digora phosphor storage plates (PSPs) for up to 4 hours. Dentomaxillofac Radiol (2006) 35,143-146
18-Barbat J, Messer HH. Detectability of artificial periapical lesions using direct digital and conventional radiography. J Endod 1998; 24: 837-842.
19-Sakhdari S, mehralizadeh S, dadresanfar B, hakim M, Kharazifard M. Accuracy of reverse contrast option of digital radiography in detection of horizontal root fracture. ( in vitro ). J Res Dent Sci. 2011; 8 (2):68-74
20-Kamburglu K, Murat S, Pehlivan SY. The Effects of Digital Image Enhancement on the Detection of Vertical Root Fractures. Dent Traumatol. 2010; 26: 47-51
21-Mehralizadeh S, Farshch F. Accuracy of Reverse Contrast Option of Digital Radiography on the Detection of Vertical Root Fracture. Thesis for DDS, Dental Branch, Tehran Islamic Azad University .2008
22-Ji-Un Lee, Ki Jeong Kwon, Kwang-Joon Koh. Diagnostic Accuracy of Artificially Induced Vertical Root Fractures: A Comparison of Direct Digital Periapical Images with Conventional Periapical Images. Korean J Oral Maxillofac Radiol. 2004; 34: 185-90.
23-Alpoz E, Sogur E, Baksi Akdeniz BG. Perceptibility Curve Test for Digital Radiographs before and After Application of Various Image Processing Algorithms. Dentomaxillofac Radiol.  2007; 36:490-4.
 
 
 
Jundishapur Scientific Medical Journal
Volume 14, Issue 3 - Serial Number 96
May and June 2015
Pages 263-272

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History

  • Receive Date: 24 October 2014
  • Revise Date: 01 March 2015
  • Accept Date: 15 April 2015

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