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Summary

Objectives: To compare panoramic radiographs made with the Scanora® dental program and bitewing radiographs in the assessment of marginal bone tissue.

Materials and Methods: Panoramic and posterior bitewing radiographs were made for 96 consecutive patients. Six observers assessed marginal bone level, and five observers identified the presence or absence of vertical bone defects and furcation involvements. Observer agreement was calculated.

Results: Assessments of the marginal bone level with the two methods were identical for 57% of the sites. If a difference of one score was allowed, assessments for 95% of the sites were in agreement. Vertical bone defects and furcation involvement were detected with an agreement of 93%. Ranges of kappa indexes for intra-observer agreement on assessments of the marginal bone level were 0.37-0.46 in panoramic radiography and 0.31-0.55 in bitewing radiography. Ranges for agreement on detection of vertical bone defects were 0.52-0.63 and 0.47-0.56 and on detection of furcation involvements 0.64-0.79 and 0.66-0.77, respectively. The kappa index for inter-observer agreement on marginal bone level was 0.28 for panoramic and 0.29 for bitewing radiography. Corresponding figures for detection of vertical bone defects were 0.38 and 0.35 and for detection of furcation involvement 0.56 and 0.67.

Conclusions: For those sites or teeth that are possible to assess, the diagnostic information available with Scanora® panoramic radiography is comparable to that with bitewing radiography for marginal bone tissue. Therefore, Scanora® dental panoramic radiography is a valuable diagnostic alternative in the primary examination of the periodontal status.

Key words: radiography dental, bitewing; radiography dental, panoramic; alveolar bone loss, furcation defects; observer variation.

Received: 25 05 2005

Accepted for publishing: 24 03 2006

¹Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
²Department of Oral Radiology, Faculty of Odontology, Malmo University, Malmo, Sweden

Deimante Ivanauskaite¹ - D.D.S., M.D.S., assist. prof.

Christina Lindh² - D.D.S., Odont. Dr., assoc. prof. in Oral Radiology

Klara Rangne² - D.D.S., specialist trainee in Oral Radiology

Madeleine Rohlin² - Odont. Dr., professor in Oral Radiology

Address correspondence to Deimante Ivananauskaite, Institute of Odontology, Vilnius University, Zalgirio 115, LT-08217 Vilnius, Lithuania

E-mail: deimantei@one.lt, deimantei@hotmail.com



	Baltic Dental and Maxillofacial Journal

March, 2006, Vol. 8, No. 1 CONTENTS SCIENTIFIC ARTICLES Assessment Of Skeletal And Dental Pattern Of Class II Division 1 Malocclusion With Relevance To Clinical Practice 3-8 Comparison between Scanora® panoramic radiography and bitewing radiography in the assessment of marginal bone tissue 9-15 The Craniofacial Morphology of the Parents of Children with Cleft Lip and/or Palate: A Review of cephalometric studies 16-20 Mutation analysis of the MSX1 gene exons and intron in patients with nonsyndromic cleft lip and palate 21-24 Influence of premolar extractions on tooth size discrepancy. Part Two: Analysis of Bolton values 25-29 The effect of 2 different diameter cast posts on tooth root fracture resistance in vitro 30-32 © 2006 Stomatologija		Stomatologija 2006; 8 (1): 9-15 278 KB Comparison between Scanora® Panoramic Radiography and Bitewing Radiography in the Assessment of Marginal Bone Tissue Deimante Ivanauskaite, Christina Lindh, Klara Rangne, Madeleine Rohlin Summary Objectives: To compare panoramic radiographs made with the Scanora® dental program and bitewing radiographs in the assessment of marginal bone tissue. Materials and Methods: Panoramic and posterior bitewing radiographs were made for 96 consecutive patients. Six observers assessed marginal bone level, and five observers identified the presence or absence of vertical bone defects and furcation involvements. Observer agreement was calculated. Results: Assessments of the marginal bone level with the two methods were identical for 57% of the sites. If a difference of one score was allowed, assessments for 95% of the sites were in agreement. Vertical bone defects and furcation involvement were detected with an agreement of 93%. Ranges of kappa indexes for intra-observer agreement on assessments of the marginal bone level were 0.37-0.46 in panoramic radiography and 0.31-0.55 in bitewing radiography. Ranges for agreement on detection of vertical bone defects were 0.52-0.63 and 0.47-0.56 and on detection of furcation involvements 0.64-0.79 and 0.66-0.77, respectively. The kappa index for inter-observer agreement on marginal bone level was 0.28 for panoramic and 0.29 for bitewing radiography. Corresponding figures for detection of vertical bone defects were 0.38 and 0.35 and for detection of furcation involvement 0.56 and 0.67. Conclusions: For those sites or teeth that are possible to assess, the diagnostic information available with Scanora® panoramic radiography is comparable to that with bitewing radiography for marginal bone tissue. Therefore, Scanora® dental panoramic radiography is a valuable diagnostic alternative in the primary examination of the periodontal status. Key words: radiography dental, bitewing; radiography dental, panoramic; alveolar bone loss, furcation defects; observer variation. Received: 25 05 2005 Accepted for publishing: 24 03 2006 ¹Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania ²Department of Oral Radiology, Faculty of Odontology, Malmo University, Malmo, Sweden Deimante Ivanauskaite¹ - D.D.S., M.D.S., assist. prof. Christina Lindh² - D.D.S., Odont. Dr., assoc. prof. in Oral Radiology Klara Rangne² - D.D.S., specialist trainee in Oral Radiology Madeleine Rohlin² - Odont. Dr., professor in Oral Radiology Address correspondence to Deimante Ivananauskaite, Institute of Odontology, Vilnius University, Zalgirio 115, LT-08217 Vilnius, Lithuania E-mail: deimantei@one.lt, deimantei@hotmail.com