Evaluation of root resorption following rapid maxillary expansion using cone-beam computed tomography

Objective: To evaluate the root resorption after rapid maxillary expansion (RME) via cone-beam
computed tomography (CBCT).
Materials and Methods: Records of 25 patients who had undergone RME with tooth-borne
banded expander were obtained from the archive of the orthodontic department. CBCT data were
reconstructed with surface and volume rendering, and the volumetric images were manipulated to
display the root surfaces from various orientations. On these three-dimensional images, permanent
first molars and first and second premolars were segmented, and their roots were isolated.
Volumes of roots were calculated. The difference between pre-expansion and postexpansion root
volumes was statistically evaluated with a paired-samples t-test. Also, the percentage of root
volume loss was calculated for each root and statistically compared with each other with one-way
analysis of variance at the P , .05 level.
Results: The difference between the pre-expansion and postexpansion root volumes was
statistically significant for all roots investigated. Maximum volume decrease was observed for the
mesiobuccal root of first molar teeth (18.60 mm3). It was determined that the distobuccal root of first
molar teeth was less affected from the expansion procedure (9.47 mm3). No statistically significant
difference was found for the percentage of root volume loss.
Conclusion: Following RME treatment, significant root volume loss was observed for all
investigated posterior teeth. However, the percentage of volume loss was not statistically different
among roots. (Angle Orthod. 2012;82:488–494.)

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Eser Adı
(dc.title)
Evaluation of root resorption following rapid maxillary expansion using cone-beam computed tomography
Eser Sahibi
(dc.contributor.author)
ASLI BAYSAL
Eser Sahibi
(dc.contributor.author)
MEHMET İRFAN KARADEDE
Eser Sahibi
(dc.contributor.author)
İLKNUR VELİ
Yayın Tarihi
(dc.date.issued)
2012
Diğer Yazarlar
(dc.contributor.authors)
SEYİT HEKİMOĞLU
Diğer Yazarlar
(dc.contributor.authors)
FARUK UÇAR
Diğer Yazarlar
(dc.contributor.authors)
TÖRÜN ÖZER
Diğer Yazarlar
(dc.contributor.authors)
TANCAN UYSAL
Yayıncı
(dc.publisher)
The E. H. Angle Education and Research Foundation
Tür
(dc.type)
Makale
Özet
(dc.description.abstract)
Objective: To evaluate the root resorption after rapid maxillary expansion (RME) via cone-beam computed tomography (CBCT). Materials and Methods: Records of 25 patients who had undergone RME with tooth-borne banded expander were obtained from the archive of the orthodontic department. CBCT data were reconstructed with surface and volume rendering, and the volumetric images were manipulated to display the root surfaces from various orientations. On these three-dimensional images, permanent first molars and first and second premolars were segmented, and their roots were isolated. Volumes of roots were calculated. The difference between pre-expansion and postexpansion root volumes was statistically evaluated with a paired-samples t-test. Also, the percentage of root volume loss was calculated for each root and statistically compared with each other with one-way analysis of variance at the P , .05 level. Results: The difference between the pre-expansion and postexpansion root volumes was statistically significant for all roots investigated. Maximum volume decrease was observed for the mesiobuccal root of first molar teeth (18.60 mm3). It was determined that the distobuccal root of first molar teeth was less affected from the expansion procedure (9.47 mm3). No statistically significant difference was found for the percentage of root volume loss. Conclusion: Following RME treatment, significant root volume loss was observed for all investigated posterior teeth. However, the percentage of volume loss was not statistically different among roots. (Angle Orthod. 2012;82:488–494.)
Kayıt Giriş Tarihi
(dc.date.accessioned)
09.06.2014
Açık Erişim Tarihi
(dc.date.available)
2014-06-09
Yayın Dili
(dc.language.iso)
eng
Konu Başlıkları
(dc.subject)
Root resorption
Konu Başlıkları
(dc.subject)
Rapid maxillary expansion
Konu Başlıkları
(dc.subject)
Cone-beam computed tomography
Atıf için Künye
(dc.identifier.citation)
Baysal, A., Karadede, I., Hekimoglu, S., Ucar, F., Ozer, T., Veli, I., Uysal, T. (2012). Evaluation of root resorption following rapid maxillary expansion using cone-beam computed tomography. The Angle Orthodontist, 82 (3), 488–494. DOI: 10.2319/060411-367.1
ISSN
(dc.identifier.issn)
0003-3219
Yayının ilk sayfa sayısı
(dc.identifier.startpage)
488
Yayının son sayfa sayısı
(dc.identifier.endpage)
494
Dergi Sayısı
(dc.identifier.issue)
82
Dergi Cilt
(dc.identifier.volume)
3
Haklar
(dc.rights)
Open access
Tek Biçim Adres
(dc.identifier.uri)
Http://hdl.handle.net/11469/121
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