Comparative study of root resorption of maxillary incisors in patients treated with lingual and buccal orthodontics

Nassif, Carlos Eduardo; Cotrim-Ferreira, Andréia; Conti, A. C. C. F.; Valarelli, Danilo Pinelli; Cardoso, Maurício de Almeida; Almeida–Pedrin, Renata Rodrigues de

doi:10.2319/041117-247.1

Cited by 17 publications

(24 citation statements)

References 20 publications

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“…In the previous studies [9–11], they were included patients with or without extraction when assess the occurrence of EARR. We all know that patients with tooth extraction are more prone to root resorption than those without tooth extraction [16–18]. It is not wise to combine the extraction and non-extraction patients for analysis in one study.…”

Section: Discussionmentioning

confidence: 99%

The influence of bracket type on the external apical root resorption in class I extraction patients - a retrospective study

Fang

Zhou

2019

BMC Oral Health

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Background The relationship between orthodontic treatment-related factors and EARR has never been fully answered. The aim of this study was to investigate whether conventional and passive self-ligating brackets affect the amount and severity of external apical root resorption (EARR) in withdrawal patients. Methods Ninety-eight patients were selected from department of orthodontic, hospital of stamotology, Wenzhou medical university. Patients received treatment with either a conventional edgewise appliance ( n = 49, Mini, 3 M Unitek, USA) or a passive self-ligating bracket system ( n = 49, Damon, Ormco, USA). EARR of the maxillary incisors was evaluated on panoramic radiographs at the before and end of orthodontic treatment, respectively. Intergroup comparisons of root resorption were performed with Mann-Whitney tests. The univariate and multivariate regression model was used to assess the appliance type, age, sex and duration of treatment on EARR. Results There was no significant difference in the amount of EARR between the two groups was found. Age and gender were not association with EARR, however, EARR was positively correlated with treatment duration. Conclusions The type of bracket did not influence the occurrence and severity of the external apical root resorption in class I extraction patients.

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Section: Discussionmentioning

confidence: 99%

The influence of bracket type on the external apical root resorption in class I extraction patients - a retrospective study

Fang

Zhou

2019

BMC Oral Health

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“…There were very similar results displayed by different arch wire groups in which the distal root endured the most stress. Previous studies also admitted the relatively high occurrence of root resorption in the distal root of the mandibular rst molar in orthodontic treatment [24]. The very similar results of the Von-Mises stress distribution among the rectangular wire, ribbon wire and round wire groups indicated PDL insensitivity to the cross-section of the arch wire.…”

Section: Discussionmentioning

confidence: 66%

The cross-sectional effects of ribbon arch wires on Class II malocclusion intermaxillary traction: A three-dimensional finite element analysis

Quan

2021

Preprint

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Background: The application of intermaxillary traction is often accompanied by the unexpected movement of dentition, especially anchorage teeth. The aim of this study was to comprehensively compare the influence of cross-sectional shape of ribbon arch wires with edgewise and round wires on intermaxillary traction in Class II malocclusion treatment using FEA simulation.Methods: The dentofacial structure was simulated in finite element software. A retraction force of 1.5 N was applied to different cross-sectional orthodontic arch wires: a ribbon wire (0.025×0.017-inch and 0.025×0.019-inch), a rectangular wire (0.017×0.025-inch and 0.019×0.025-inch) and a round wire (Φ 0.018-inch and Φ 0.020-inch).Results: Among the three groups, ribbon wire (0.025×0.017-inch and 0.025×0.019-inch) exhibited the lowest displacement in the X-axis (12.61 μm and 12.77 μm, respectively) and Z-axis (8.99 μm and 9.06 μm, respectively). However, the 0.025×0.017-inch ribbon wire showed the highest Y-axis displacement. In the round wire group, Φ 0.020-inch wire displayed less rotation than Φ 0.018-inch wire, where the sagittal, frontal and occlusal rotation of Φ 0.020-inch wire was almost half of that of Φ 0.018-inch wire. The movement of the first molar region was intermediate between the ribbon arch group and the round wire group. Notably, the values of the 0.025×0.017-inch arch wire displacement, which were much higher than those of any other group, peaked at 0.019 mm in the central incisor region with a spike-like shape. The deformation range of the Φ 0.018-inch wire group was the largest in this study.Conclusions: The cross-section of the arch wire influenced force delivery in Class II intermaxillary traction. With the same shape, a larger cross-sectional area would lead to less mandibular dentition movement. For the rectangular arch wire and ribbon arch wire groups, since the height and width were inverted, the vertical displacement of anchorage teeth in the ribbon wire group was significantly reduced, but the possibility of buccal tipping in mandibular anterior teeth also increased.

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“…The selected papers date between 2006 and 2019 [ 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 ], are written in English, and are from the following countries: Brazil ( n = 8), Bulgary ( n = 1), Canada ( n = 1), China ( n = 1), Estonia ( n = 1), Japan ( n = 1), Jordan ( n = 1), India ( n = 2), Poland ( n = 1), Saudi Arabia ( n = 1), and Turkey ( n = 3). Supplemental Table S1 shows the results of the variables analysed in the selected papers.…”

Section: Resultsmentioning

confidence: 99%

“…The registered studies were: in vitro study ( n = 4) [ 22 , 23 , 29 , 31 ], fine element study ( n = 1) [ 27 ], cross-sectional study ( n = 9) [ 20 , 21 , 25 , 30 , 32 , 34 , 35 , 37 , 39 ], case–control ( n = 4) [ 24 , 28 , 33 , 36 ], and cohort study ( n = 3) [ 26 , 38 , 40 ].…”

Section: Resultsmentioning

confidence: 99%

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Two-Dimensional Analysis of Digital Images through Vector Graphic Editors in Dentistry: New Calibration and Analysis Protocol Based on a Scoping Review

Rodríguez-López

Martínez

Junquera

et al. 2021

IJERPH

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This review was carried out to analyse the functions of three Vector Graphic Editor applications (VGEs) applicable to clinical or research practice, and through this we propose a two-dimensional image analysis protocol in a VGE. We adapted the review method from the PRISMA-ScR protocol. Pubmed, Embase, Web of Science, and Scopus were searched until June 2020 with the following keywords: Vector Graphics Editor, Vector Graphics Editor Dentistry, Adobe Illustrator, Adobe Illustrator Dentistry, Coreldraw, Coreldraw Dentistry, Inkscape, Inkscape Dentistry. The publications found described the functions of the following VGEs: Adobe Illustrator, CorelDRAW, and Inkscape. The possibility of replicating the procedures to perform the VGE functions was analysed using each study’s data. The search yielded 1032 publications. After the selection, 21 articles met the eligibility criteria. They described eight VGE functions: line tracing, landmarks tracing, linear measurement recording, angular measurement recording, image calibration, image overlay, file transfer, and vector graphics development. The features offered by the VGEs bring great precision and objectivity to two-dimensional image analysis. The image analysis and editing procedures are currently not protocolised. Thus, a protocol for image calibration and measurement recording is proposed in order to guarantee the protocol’s replication.

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Comparative study of root resorption of maxillary incisors in patients treated with lingual and buccal orthodontics

Abstract: The magnitude of apical root resorption in maxillary incisors in patients with anterior crowding was similar regardless of orthodontic technique, lingual or conventional. Both techniques resulting in an apical rounding considered clinically insignificant.

Cited by 17 publications

References 20 publications

The influence of bracket type on the external apical root resorption in class I extraction patients - a retrospective study

The influence of bracket type on the external apical root resorption in class I extraction patients - a retrospective study

The cross-sectional effects of ribbon arch wires on Class II malocclusion intermaxillary traction: A three-dimensional finite element analysis

Two-Dimensional Analysis of Digital Images through Vector Graphic Editors in Dentistry: New Calibration and Analysis Protocol Based on a Scoping Review

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