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Korean Journal of Orthodontics

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https://www.readbyqxmd.com/read/30003061/resistance-to-sliding-in-orthodontics-misconception-or-method-error-a-systematic-review-and-a-proposal-of-a-test-protocol
#1
REVIEW
Fabio Savoldi, Aggeliki Papoutsi, Simona Dianiskova, Domenico Dalessandri, Stefano Bonetti, James K H Tsoi, Jukka P Matinlinna, Corrado Paganelli
Resistance to sliding (RS) between the bracket, wire, and ligature has been largely debated in orthodontics. Despite the extensive number of published studies, the lack of discussion of the methods used has led to little understanding of this phenomenon. The aim of this study was to discuss variables affecting RS in orthodontics and to suggest an operative protocol. The search included PubMed©, Medline©, and the Cochrane Library©. References of full-text articles were manually analyzed. English-language articles published between January 2007 and January 2017 that performed an in vitro analysis of RS between the bracket, wire, and ligature were included...
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/30003060/clinical-application-of-an-intraoral-scanner-for-serial-evaluation-of-orthodontic-tooth-movement-a-preliminary-study
#2
Dalsun Yun, Dong-Soon Choi, Insan Jang, Bong-Kuen Cha
The aim of this study was to test the clinical application of an intraoral scanner for serial evaluation of orthodontic tooth movement. The maxillary dentitions of eight patients with fixed orthodontic appliances were scanned using an intraoral scanner at the beginning of treatment (T0), and at 1 month (T1), 2 months (T2), 3 months (T3), and 4 months (T4) after T0. The serial digital models were superimposed on the palatal surface as a reference area, and the linear and angular changes of the central incisors, canines, and first molars were evaluated...
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/30003059/effect-of-caspases-and-rankl-induced-by-heavy-force-in-orthodontic-root-resorption
#3
Yukari Minato, Masaru Yamaguchi, Mami Shimizu, Jun Kikuta, Takuji Hikida, Momoko Hikida, Masaaki Suemitsu, Kayo Kuyama, Kazutaka Kasai
Objective: Orthodontic root resorption (ORR) due to orthodontic tooth movement is a difficult treatment-related adverse event. Caspases are important effector molecules for apoptosis. At present, little is known about the mechanisms underlying ORR and apoptosis in the cementum. The aim of the present in vivo study was to investigate the expression of tartrate-resistant acid phosphatase (TRAP), caspase 3, caspase 8, and receptor activator of nuclear factor kappa-B ligand (RANKL) in the cementum in response to a heavy or an optimum orthodontic force...
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/30003058/effects-of-different-primers-on-indirect-orthodontic-bonding-shear-bond-strength-color-change-and-enamel-roughness
#4
Mirella Lemos Queiróz Tavares, Carlos Nelson Elias, Lincoln Issamu Nojima
Objective: We aimed to perform in-vitro evaluation to compare 1) shear bond strength (SBS), adhesive remnant index (ARI), and color change between self-etched and acid-etched primers; 2) the SBS, ARI and color change between direct and indirect bonding; and 3) the enamel roughness (ER) between 12-blade bur and aluminum oxide polisher debonding methods. Methods: Seventy bovine incisors were distributed in seven groups: control (no bonding), direct (DTBX), and 5 indirect bonding (ITBX, IZ350, ISONDHI, ISEP, and ITBXp)...
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/30003057/the-effect-of-occlusogingival-placement-of-clinical-bracket-points-on-the-adaptation-of-a-straight-wire-to-the-lingual-arch-form
#5
Amir Hossein Abdi, Saeed Reza Motamedian, Ehsan Balaghi, Mahtab Nouri
Objective: The aim of this study is to compare the adaptation of a straight wire between brackets positioned at the mid-lingual surface and those placed gingivally by using a three-dimensional simulation software. Methods: This cross-sectional study was performed using OrthoAid, an in-house software. The subjects were 36 adolescents with normal Class I occlusion. For each dental cast, two bracket positioning approaches, namely the middle and gingival, were examined...
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/30003056/comparison-of-treatment-effects-between-four-premolar-extraction-and-total-arch-distalization-using-the-modified-c-palatal-plate
#6
Sung Youn Jo, Mohamed Bayome, Justyn Park, Hee Jin Lim, Yoon-Ah Kook, Seong Ho Han
Objective: The purpose of this study was to compare the skeletal, dental, and soft-tissue treatment effects of nonextraction therapy using the modified C-palatal plate (MCPP) to those of premolar extraction (PE) treatment in adult patients with Class II malocclusion. Methods: Pretreatment and posttreatment lateral cephalographs of 40 adult patients with Class II malocclusion were retrospectively analyzed. The MCPP group comprised 20 patients treated with total arch distalization of the maxillary arch while the PE group comprised 20 patients treated with four PE...
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/30003055/trend-of-health-care-utilization-of-cleft-lip-and-or-palate-in-korea-during-2007-2016
#7
Mihee Hong, Seung-Hak Baek
Objective: This study is performed to investigate the trend of health care (HC) utilization among cleft lip and/or palate (CL/P) during 2007-2016 by using data from the Korean National Health Insurance Service (KNHIS). Methods: The KNHIS data were reorganized to count a specific patient only once for a specific year. Cleft type (cleft lip [CL], cleft palate [CP], and cleft lip and palate [CLP]), sex, and age at HC utilization were investigated. The study period was divided into the first half (2007-2011) and the last half (2012-2016)...
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/30003054/reader-s-forum
#8
COMMENT
Mi-Young Lee
No abstract text is available yet for this article.
July 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29733081/reader-s-forum
#9
COMMENT
Seungweon Lim
No abstract text is available yet for this article.
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732306/the-effectiveness-of-corticotomy-and-piezocision-on-canine-retraction-a-systematic-review
#10
REVIEW
Nita Viwattanatipa, Satadarun Charnchairerk
The aim of this systematic review was to evaluate the effectiveness and complications of corticotomy and piezocision in canine retraction. Five electronic databases (PubMed, SCOPUS, Web of Science, Embase, and CENTRAL) were searched for articles published up to July 2017. The databases were searched for randomized control trials (RCTs), with a split-mouth design, using either corticotomy or piezocision. The primary outcome reported for canine retraction was either the amount of tooth movement, rate of tooth movement, or treatment time...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732305/cone-beam-computed-tomography-based-diagnosis-and-treatment-simulation-for-a-patient-with-a-protrusive-profile-and-a-gummy-smile
#11
Shunsuke Uesugi, Toshihiro Imamura, Satoshi Kokai, Takashi Ono
For patients with bimaxillary protrusion, significant retraction and intrusion of the anterior teeth are sometimes essential to improve the facial profile. However, severe root resorption of the maxillary incisors occasionally occurs after treatment because of various factors. For instance, it has been reported that approximation or invasion of the incisive canal by the anterior tooth roots during retraction may cause apical root damage. Thus, determination of the position of the maxillary incisors is key for orthodontic diagnosis and treatment planning in such cases...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732304/use-of-autonomous-maximal-smile-to-evaluate-dental-and-gingival-exposure
#12
Shuai Wang, Hengzhe Lin, Yan Yang, Xin Zhao, Li Mei, Wei Zheng, Yu Li, Zhihe Zhao
Objective: This study was performed to validate the autonomous maximal smile (AMS) as a new reference for evaluating dental and gingival exposure. Methods: Digital video clips of 100 volunteers showing posed smiles and AMS at different verbal directives were recorded for evaluation a total of three times at 1-week intervals. Lip-teeth relationship width (LTRW) and buccal corridor width (BCW) were measured. LTRW represented the vertical distance between the inferior border of the upper vermilion and the edge of the maxillary central incisors...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732303/changes-in-buccal-facial-depth-of-female-patients-after-extraction-and-nonextraction-orthodontic-treatments-a-preliminary-study
#13
Fanfan Dai, Jie Yu, Gui Chen, Tianmin Xu, Ruoping Jiang
Objective: This study was performed to investigate buccal facial depth (BFD) changes after extraction and nonextraction orthodontic treatments in post-adolescent and adult female patients, and to explore possible influencing factors. Methods: Twelve and nine female patients were enrolled in the extraction and nonextraction groups, respectively. Changes in BFD in the defined buccal region and six transverse and two coronal measuring planes were measured after registering pretreatment and posttreatment three-dimensional facial scans...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732302/antibacterial-and-remineralization-effects-of-orthodontic-bonding-agents-containing-bioactive-glass
#14
You-Min Kim, Dong-Hyun Kim, Chang Weon Song, Seog-Young Yoon, Se-Yeon Kim, Hee Sam Na, Jin Chung, Yong-Il Kim, Yong Hoon Kwon
Objective: The aim of this study was to evaluate the mechanical and biological properties of orthodontic bonding agents containing silver- or zinc-doped bioactive glass (BAG) and determine the antibacterial and remineralization effects of these agents. Methods: BAG was synthesized using the alkali-mediated solgel method. Orthodontic bonding agents containing BAG were prepared by mixing BAG with flowable resin. Transbond™ XT (TXT) and Charmfil™ Flow (CF) were used as controls...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732301/evaluation-of-the-alignment-efficiency-of-nickel-titanium-and-copper-nickel-titanium-archwires-in-patients-undergoing-orthodontic-treatment-over-a-12-week-period-a-single-center-randomized-controlled-clinical-trial
#15
Burcu Aydın, Neslihan Ebru Şenışık, Özgür Koşkan
Objective: The aim of this trial was to compare the alignment efficiency and intermaxillary arch dimension changes of nickel-titanium (NiTi) or copper-nickel-titanium (CuNiTi) round archwires with increasing diameters applied sequentially to the mandibular arch. Methods: The initial alignment phase of fixed orthodontic treatment with NiTi or CuNiTi round archwires was studied in a randomly allocated sample of 66 patients. The NiTi group comprised 26 women, 10 men, and the CuNiTi (27℃) group comprised 20 women, 10 men...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732300/hard-and-soft-tissue-profiles-of-the-midface-region-in-patients-with-skeletal-class-iii-malocclusion-using-cone-beam-computed-tomography-multiplanar-reconstructed-image-analysis
#16
Bomi Kim, Hyung-Chul Lee, Seong-Hun Kim, Yongil Kim, Woosung Son, Seong Sik Kim
Objective: This study examined cone-beam computed tomography (CBCT)-derived multiplanar-reconstructed (MPR) cross-sections to clarify the salient characteristics of patients with skeletal class III malocclusion with midface deficiency (MD). Methods: The horizontal and sagittal plane intersection points were identified for middle-third facial analysis in 40 patients in the MD or normal (N) groups. MPR images acquired parallel to each horizontal plane were used for length and angular measurements...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29732299/three-dimensional-morphological-evaluation-of-the-hard-palate-in-korean-adults-with-mild-to-moderate-obstructive-sleep-apnea
#17
Chen Yu, Hyo-Won Ahn, Seong-Hun Kim
Objective: The purpose of this study was to evaluate differences in three-dimensional (3D) morphology of the hard palate between Korean adults with and without mild-to-moderate obstructive sleep apnea (OSA) using cone-beam computed tomographic (CBCT) data. Methods: The protocol for the two-dimensional (2D) and 3D mathematical modeling was established by analyzing CBCT images of 30 adults with OSA and 30 matched controls without OSA, using MIMICS software. The linear and angular measurements were also determined using this software...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29569641/reader-s-forum
#18
COMMENT
Jou Hee Park, Hyung Ju Yoon
No abstract text is available yet for this article.
March 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29564222/autotransplantation-a-biological-treatment-alternative-for-a-patient-after-traumatic-dental-injury
#19
Meenakshi Vishwanath, Nandakumar Janakiraman, Hamed Vaziri, Ravindra Nanda, Flavio Uribe
Traumatic dental injury is considered a public dental health problem because of a high childhood incidence, high treatment costs, and prolonged treatment time. Although management guidelines for traumatized teeth have been outlined, tooth loss following trauma is occasionally unavoidable. Here, we describe the successful interdisciplinary management of a traumatized central incisor in an 11-year old boy that was extracted because of a poor prognosis and restored by the autotransplantation of an immature donor tooth into the site...
March 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29564221/orthodontic-and-orthopedic-treatment-for-a-growing-patient-with-tessier-number-0-cleft
#20
Seung-Hak Baek, Yoon-Hee Park, Jee Hyeok Chung, Sukwha Kim, Jin-Young Choi
The purpose of this case report was to introduce the concept of orthodontic and orthopedic treatment for a growing patient with Tessier number 0 cleft. A 5-year-old boy patient with Tessier number 0 cleft presented congenitally missing maxillary central incisors (MXCI), a bony defect at the premaxilla, a constricted maxillary arch, an anterior openbite, and maxillary hypoplasia. His treatment was divided into three stages: management of the bony defect at the premaxilla and the congenitally missing MXCIs using a fan-type expansion plate, iliac bone grafting, and eruption guidance of the maxillary lateral incisors into the graft area for substitution of MXCIs; management of the maxillary hypoplasia using sequential facemask therapy with conventional and skeletal anchorage; and management of the remaining occlusal problems using fixed orthodontic treatment...
March 2018: Korean Journal of Orthodontics
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