Dental and Medical Problems

Dent Med Probl
Index Copernicus (ICV 2020) – 128.41
MEiN – 70 pts
CiteScore (2021) – 2.0
JCI – 0.5
Average rejection rate (2021) – 81.35%
ISSN 1644-387X (print)
ISSN 2300-9020 (online)
Periodicity – quarterly

Download PDF

Dental and Medical Problems

2018, vol. 55, nr 1, January-March, p. 29–34

doi: 10.17219/dmp/84868

Publication type: original article

Language: English

Creative Commons BY-NC-ND 3.0 Open Access

In vitro effect of changing the horizontal angulation of X-ray beam on the detection of proximal enamel caries in bitewing radiographs

Wpływ zmian poziomego kąta padania promienia centralnego X na wykrywanie próchnicy szkliwa na powierzchniach stycznych na zdjęciach skrzydłowo-zgryzowych – badania in vitro

Abbas Shokri1,A, Shahin Kasraei2,B, Elham Shokri3,C, Maryam Farhadian4,E, Bahareh Hekmat1,D,F

1 Dental Implant Research Center, Department of Oral and Maxillofacial Radiology, Dental School, Hamedan University of Medical Science, Hamedan, Iran

2 Department of Restorative Dentistry, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran

3 Dental Research Center, Department of Oral and Maxillofacial Radiology, Dental School, Hamedan University of Medical Science, Hamedan, Iran

4 Modeling of Noncommunicable Diseases Research Center, Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran

Abstract

Background. Bitewing radiography is an important modality useful for the evaluation of teeth in patients of various ages and in different stages of tooth eruption. Clinical examination of proximal surfaces for caries may result in false negative results, especially in tight contact areas. Thus, radiography, as an adjunct to clinical examination, is used as a routine diagnostic modality for caries detection.
Objectives. The objective of this study was to assess the in vitro effect of changing the horizontal angulation of X-ray beam on the detection of proximal enamel caries in bitewing radiographs.
Material and Methods. This in vitro study was conducted on 150 caries-free human premolars (code: p/16/35/9/210). The teeth were randomly divided into 3 groups (n = 50). Group 1 served as the control group and no carious lesions were induced in this group. Teeth in groups 2 and 3 were immersed in demineralizing solution for 2 and 4 months, respectively. After induction of caries and its radiographic confirmation, the teeth were mounted in wax in groups of 3 and bitewing radiographs were obtained at 0°, 5°, 10° and 15° horizontal angles.
Results. The sensitivity values of bitewing radiographs at 0°, 5°, 10° and 15° horizontal angles were 88%, 90%, 88%, 92% in group 2 and 88%, 94%, 94% and 94% in group 3, respectively. The specificity values of bitewing radiographs at 0°, 5°, 10° and 15° horizontal angles were 92%, 86%, 84% and 76%. The accuracy of bitewing radiographs at 0°, 5°, 10° and 15° horizontal angles was 89.3%, 90%, 88.7% and 87.3%, respectively. The highest diagnostic accuracy was obtained at 5° horizontal angle for caries detection; however, the difference in this regard among the tested horizontal angles was not statically significant (p = 0.846).
Conclusion. Based on the results of this study, changing the horizontal angulation has no significant effect on the detection of proximal enamel caries in bitewing radiographs.

Key words

bitewing radiography, approximal caries, angulation, X-ray beam

Słowa kluczowe

zdjęcie skrzydłowo-zgryzowe, próchnica na powierzchniach stycznych, kąt promienia centralnego, wiązka promieniowania rentgenowskiego

References (14)

  1. Roberson T, Heymann H, Swift Jr E. Art and science of operative dentistry. St. Louis, MO, Mosby Co; 2006:92-110.
  2. Kamburoğlu K, Kolsuz E, Murat S, Yüksel S, Özen T. Proximal caries detection accuracy using intraoral bitewing radiography, extraoral bitewing radiography and panoramic radiography. Dentomaxillofac Radiol. 2012;41:450–459.
  3. Dauer L, Branets I, Stabulas-Savage J, et al. Optimising radiographic bitewing examination to adult and juvenile patients through the use of anthropomorphic phantoms. Radiat Prot Dosimetry. 2014;158.
  4. Pontual A, Melo DP, Almeida SM, Bóscolo FN, Haiter Neto F. Comparison of digital systems and conventional dental film for the detection of approximal enamel caries. Dentomaxillofac Radiol. 2010;39:431–436.
  5. Abesi F, Mirshekar A, Moudi E, et al. Diagnostic accuracy of digital and conventional radiography in the detection of non-cavitated approximal dental caries. Iran J Radiol. 2012;9:17–21.
  6. Stuart C. White MJP. Oral Radiology, Principles and Interpretation. 7th ed. Elsevier; 2014:95–100.
  7. Onem E, Baksi BG, Sen BH, Sögüt O, Mert A. Diagnostic accuracy of proximal enamel subsurface demineralization and its relationship with calcium loss and lesion depth. Dentomaxillofac Radiol. 2012;41:285-293.
  8. Hussein Abu El-Ela W, Medhat Farid M, Saad El-Din M. Intraoral versus extraoral bitewing radiography in detection of enamel proximal caries: An ex vivo study. Dentomaxillofac Radiol. 2016;45:18-23.
  9. Zhang ZL, Li JP, Li G, Ma XC. Accuracy of computer aided measurement for detecting dental proximal caries lesions in images of cone-beam computed tomography. Chin J Stomatol. 2017;52:103-108.
  10. Błażejewska A, Dacyna N, Niesiobędzki P, et al. Comparison of the detection of proximal caries in children and youth using DIAGNOcam and bitewing radiovisiography. Dent Med Probl. 2016;53:468–475.
  11. Litzenburger F, Heck K, Pitchika V, et al. Inter- and intra-examiner reliability of bitewing radiography and near-infrared light transillumination for proximal caries detection and assessment. Dentomaxillofac Radiol. 2017. doi.org/10.1259/dmfr.20170292.
  12. Chadwick BL, Dummer PM, VanderStelt PF. The effect of alterations in horizontal X-ray beam angulation and buccolingual cavity width on the radiographic depth of approximal cavities. J Oral Rehabil. 1999;26:292-301.
  13. Moreira PL, Messora MR, Pereira SM, Almeida SM, Cruz AD. Diagnosis of secondary caries in esthetic restorations: Influence of the incidence vertical angle of the X-ray beam. Braz Dent J. 2011;22:129-133.
  14. Castro VM, Katz JO, Hardman PK, Glaros AG, Spencer P. In vitro comparison of conventional film and direct digital imaging in the detection of approximal caries. Dentomaxillofacial Radiol. 2007;36:138–142.