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Comparison of panoramic radiography and CBCT to identify maxillary posterior roots invading the maxillary sinus.
Dentomaxillofac Radiol. 2016; 45(6):20160043.DR

Abstract

OBJECTIVES

Given the limitations of panoramic radiography for assessing topographic relationship of maxillary teeth with sinus floor, the purpose of this study was to assess signs on panoramic radiography that could predict root protrusion into the sinus.

METHODS

A total of 46 individuals (330 maxillary posterior teeth) who underwent panoramic radiography and CBCT were enrolled. The relationship between the posterior teeth and the maxillary sinus and panoramic radiography signs (projection of the root apices, interruption of the maxillary sinus floor, lamina dura, darkening in the root apices, and superiorly curving sinus floor enveloping the associated tooth root) associated with protrusion of root apices into the sinus were evaluated.

RESULTS

There were differences between the imaging modalities about the positioning of the root apices regarding the sinus (p < 0.05). Only the projecting of the root apices and the interruption of the sinus floor on panoramic radiography were predictors for the root protrusion (p < 0.05). No significant association was observed for the other panoramic radiography signs (p > 0.05).

CONCLUSIONS

The root projection into the sinus and the interruption of the sinus floor are indicative signs of root protrusion into the sinus on CBCT.

Authors+Show Affiliations

Division of Oral Radiology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil.Division of Oral Radiology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil.Division of Oral Radiology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil.Division of Oral Radiology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, São Paulo, Brazil.

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

27268417

Citation

Lopes, Luciana J., et al. "Comparison of Panoramic Radiography and CBCT to Identify Maxillary Posterior Roots Invading the Maxillary Sinus." Dento Maxillo Facial Radiology, vol. 45, no. 6, 2016, p. 20160043.
Lopes LJ, Gamba TO, Bertinato JV, et al. Comparison of panoramic radiography and CBCT to identify maxillary posterior roots invading the maxillary sinus. Dentomaxillofac Radiol. 2016;45(6):20160043.
Lopes, L. J., Gamba, T. O., Bertinato, J. V., & Freitas, D. Q. (2016). Comparison of panoramic radiography and CBCT to identify maxillary posterior roots invading the maxillary sinus. Dento Maxillo Facial Radiology, 45(6), 20160043. https://doi.org/10.1259/dmfr.20160043
Lopes LJ, et al. Comparison of Panoramic Radiography and CBCT to Identify Maxillary Posterior Roots Invading the Maxillary Sinus. Dentomaxillofac Radiol. 2016;45(6):20160043. PubMed PMID: 27268417.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Comparison of panoramic radiography and CBCT to identify maxillary posterior roots invading the maxillary sinus. AU - Lopes,Luciana J, AU - Gamba,Thiago O, AU - Bertinato,João V J, AU - Freitas,Deborah Q, Y1 - 2016/06/08/ PY - 2016/6/9/entrez PY - 2016/6/9/pubmed PY - 2017/1/14/medline KW - CBCT KW - maxillary sinus KW - molar KW - panoramic radiography KW - tooth apex SP - 20160043 EP - 20160043 JF - Dento maxillo facial radiology JO - Dentomaxillofac Radiol VL - 45 IS - 6 N2 - OBJECTIVES: Given the limitations of panoramic radiography for assessing topographic relationship of maxillary teeth with sinus floor, the purpose of this study was to assess signs on panoramic radiography that could predict root protrusion into the sinus. METHODS: A total of 46 individuals (330 maxillary posterior teeth) who underwent panoramic radiography and CBCT were enrolled. The relationship between the posterior teeth and the maxillary sinus and panoramic radiography signs (projection of the root apices, interruption of the maxillary sinus floor, lamina dura, darkening in the root apices, and superiorly curving sinus floor enveloping the associated tooth root) associated with protrusion of root apices into the sinus were evaluated. RESULTS: There were differences between the imaging modalities about the positioning of the root apices regarding the sinus (p < 0.05). Only the projecting of the root apices and the interruption of the sinus floor on panoramic radiography were predictors for the root protrusion (p < 0.05). No significant association was observed for the other panoramic radiography signs (p > 0.05). CONCLUSIONS: The root projection into the sinus and the interruption of the sinus floor are indicative signs of root protrusion into the sinus on CBCT. SN - 0250-832X UR - https://www.unboundmedicine.com/medline/citation/27268417/Comparison_of_panoramic_radiography_and_CBCT_to_identify_maxillary_posterior_roots_invading_the_maxillary_sinus_ L2 - http://www.birpublications.org/doi/full/10.1259/dmfr.20160043?url_ver=Z39.88-2003&amp;rfr_id=ori:rid:crossref.org&amp;rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -