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International Poster Journal of Dentistry and Oral Medicine
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Int Poster J Dent Oral Med 12 (2010), No. 3     15. Sep. 2010

Int Poster J Dent Oral Med 2010, Vol 12 No 3, Poster 497

Visualization of combined perio-endo lesions by means of MRI

Sprache: Deutsch
 

Autoren:
Dr. Raluca Cosgarea, Prof. Dr. Dr. Ti-Sun Kim,
Section of Periodontology, Department of Operative Dentistry, University of Heidelberg
PD Dr. med. Stefan Rohde, Dr. Chiara Gaudino (Univ. Roma, IT), Prof. Dr. rer. nat. Dipl.-Phys. Sabine Heiland,
Department of Neuroradiology, University of Heidelberg

Datum/Veranstaltung/Ort:
November 4th-7th, 2009
"Perio-Prothetik", Annual Meeting of the German Society of Periodontology 2009
Munich, Germany
 

Introduction

Up to now, evidence based radiographical parameters that allow a reliable prognosis of combined perio-endo lesions before treatment, do not exist. Therapeutical changes of the periradicular tissues can be detected by means of conventional radiographic procedures only several months after performing the endodontical treatment or re-treatment. The present pilot study aims to investigate the visibility of perio-endo lesions in MRI.
 

Material and Methods

Three patients, in whom one or more combined perio-endo lesions were diagnosed and from whom apical or panoramic x-rays existed, were examined with a 3 tesla MRI Scanner (Magnetom Trio, Siemens, Erlangen, Germany) in the Department of Neuroradiology. The investigations were performed with special head and neck coils with a fat-saturated t2-sequence (t2_STIR_fatsat) at a voxel size of 0.6/0.6/0.6 mm.

Fig 1: Measurement of the periodontal space in x-ray
 
Fig 2: Measurement of the periodontal space in MRI

Results

Three patients, in whom one or more combined perio-endo lesions were diagnosed and from whom apical or panoramic x-rays existed, were examined with a 3 tesla MRI Scanner (Magnetom Trio, Siemens, Erlangen, Germany) in the Department of Neuroradiology. The investigations were performed with special head and neck coils with a fat-saturated t2-sequence (t2_STIR_fatsat) at a voxel size of 0.6/0.6/0.6 mm.

Fig 3: Width-values of the periodontal space for the first patient Fig 4: Width-values of the periodontal space for the second patient
 
Fig 5: Width-values of the periodontal space for the third patient
 
 

Conclusions

Perio-endo lesions can be detected in MR Images. In order to assess therapeutical changes after endodontical treatment or re-treatment in MR Images earlier than in conventional x-rays, further investigations need to be performed.
 

This Poster was submitted by Dr. Raluca Cosgarea.
 

Correspondence address:
Dr. Raluca Cosgarea
University of Heidelberg
Department of Operative Dentistry, Section of Periodontology
Im Neuenheimer Feld 400
69120 Heidelberg
Germany