Localization of Impacted Maxillary Canine Teeth: A Comparison between Panoramic and Buccal Object Rule in Intraoral Radiography
Journal Title: Journal of Dental School Shahid Beheshti University of Medical Sciences - Year 2017, Vol 35, Issue 1
Abstract
Objectives: This study aimed to compare the efficacy of panoramic radiography and the buccal object rule in intraoral periapical radiography for localization of impacted maxillary canine teeth. Methods: A total of 20 panoramic radiographs depicting 28 displaced maxillary canines were evaluated. The ratio of the mesiodistal width of the impacted canine to the mesiodistal width of the ipsilateral central incisor was calculated and referred to as the canine-incisor index (CII). The height of the crown of each displaced canine was classified in vertical plane relative to the adjacent incisor as apical, middle or coronal. Position of impacted maxillary canines was also determined on two periapical radiographs using the buccal object rule. Surgical exposure and direct observation of impacted teeth were later performed and served as the gold standard. The data were analyzed using SPSS and t-test. Results: There was an overlap in the CII range of the buccally (0.78-1.48) and palatally (1.15-1.75) positioned impacted canines. When considering the height factor in the middle and coronal zones, a significant difference was noted between the CII of buccally (0.78-1.1) and palatally (1.15-1.75) positioned teeth enabling determination of their buccolingual orientation (P<0.05). Conclusion: For the impacted maxillary canines located in the middle and coronal zones (90% of cases), the CII of 1.15 and higher represents palatal impaction while the CII smaller than 1.15 represents buccal impaction.
Authors and Affiliations
Sima Nikneshan, Mehran Hosseinzadeh, Mehrdad Dehghanpour barooj, Mahtab Kheirkhahi
Keywords
Related Articles
- EP ID EP368592
- DOI -
- Views 71
- Downloads 0
Effects of Local and Systemic Atorvastatin on Inflammation and Alveolar Bone Loss in Experimental Periodontitis in Rats
Objectives Periodontitis is the first cause of tooth loss in developed countries and often occurs in people over 40 years. Atorvastatin is a statin drug with optimal efficacy for treatment of high cholesterol. It also st...
Comparing Post-Obturation of Apical Microleakage Following the Use of Different Intracanal Chelators
Objectives: Different chelators may be used during root canal treatment, offering various advantages including lubricant effect inside the canal and smear layer removal. However, chelator residues in narrow root canals c...
Determination of Incisal Point as Anterior Guide to Transfer Maxillary Casts to Articulator: A Pilot Study
Objectives Despite the importance to use face-bow record for transferring maxillary cast to articulator some dentists use average points to avoid the time taken and ease of use. The location of incisal point could help t...
Editorial Letter
Editorial Letter: It is a great honor to announce the recent launch of this journal’s new web site which (www.jdentsch.com), aimed to reach a wider range of audience. A second objective of this major move was to attract...
Evaluation of Tear Strength of Two Types of Iralgin and its Comparison with Similar Alginate Impression Material
Objectives: Among the various impression materials, for alginate tear strength is probably more important than the compressive strength. The tear strength is important when an impression involves a mechanical undercut an...