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Korean Journal of Orthodontics

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https://www.readbyqxmd.com/read/29733081/reader-s-forum
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/29564220/comparison-between-fiber-reinforced-polymers-and-stainless-steel-orthodontic-retainers
#13
Alessandra Lucchese, Maurizio Manuelli, Claudio Ciuffreda, Paolo Albertini, Enrico Gherlone, Letizia Perillo
Objective: The aim of this study was to examine the properties of fiber-reinforced composite and stainless steel twisted retainers for orthodontic retention. Methods: Three different span lengths (5.0, 8.0, and 14.0 mm) of fiber-reinforced composite were investigated. The three fiber-reinforced composite retainer groups were subdivided according to the storage condition (dry and wet), resulting in a total of six groups. Each stainless steel and fiber-reinforced composite group was comprised of six specimens...
March 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29564219/adjunctive-buccal-and-palatal-corticotomy-for-adult-maxillary-expansion-in-an-animal-model
#14
My Huy Thuc Le, Seng Fong Lau, Norliza Ibrahim, Abu Kasim Noor Hayaty, Zamri Bin Radzi
Objective: This study aimed to explore the usefulness of adjunctive buccal and palatal corticotomy for adult maxillary expansion in an animal model using cone-beam computed tomography (CBCT). Methods: Twelve adult sheep were randomly divided into two groups (each n = 6): a control group, where no treatment was administered, and a treatment group, where buccal and palatal corticotomy-assisted maxillary expansion was performed. CBCT scans were taken before (T1) and after (T2) treatment...
March 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29564218/effects-of-single-dose-low-level-laser-therapy-on-pain-associated-with-the-initial-stage-of-fixed-orthodontic-treatment-a-randomized-clinical-trial
#15
Irfan Qamruddin, Mohammad Khursheed Alam, Habiba Abdullah, Muhammad Abdullah Kamran, Nausheen Jawaid, Verda Mahroof
Objective: The aim of this study was to assess the analgesic effect of a single application of low-level laser therapy (LLLT) on spontaneous pain and pain on chewing after placement of initial archwires. Methods: Forty-two patients (26 women, 16 men) were randomly recruited for this split-mouth randomized clinical trial. Each patient received super-elastic nickel-titanium (NiTi) initial archwires (0.012, 0.014, 0.016, and 0.018-inch [in]) in the maxilla for leveling and alignment for an interval of 4 weeks between archwires...
March 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29564217/evaluation-of-the-effects-of-miniscrew-incorporation-in-palatal-expanders-for-young-adults-using-finite-element-analysis
#16
Eui-Hyang Seong, Sung-Hwan Choi, Hee-Jin Kim, Hyung-Seog Yu, Young-Chel Park, Kee-Joon Lee
Objective: The aim of this study was to evaluate the stress distribution and displacement of various craniofacial structures after nonsurgical rapid palatal expansion (RPE) with conventional (C-RPE), bone-borne (B-RPE), and miniscrew-assisted (MARPE) expanders for young adults using three-dimensional finite element analysis (3D FEA). Methods: Conventional, bone-borne, and miniscrew-assisted palatal expanders were designed to simulate expansion in a 3D FE model created from a 20-year-old human dry skull...
March 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29564216/comparison-of-the-three-dimensional-structures-of-mandibular-condyles-between-adults-with-and-without-facial-asymmetry-a-retrospective-study
#17
Min-Hee Oh, Sung-Ja Kang, Jin-Hyoung Cho
Objective: This retrospective study compared the three-dimensional (3D) structure of mandibular condyles between adults with and without facial asymmetry, and whether it influences menton deviation. Methods: Sixty adult patients were classified into symmetry and asymmetry groups based on the menton deviation on postero-anterior radiographs. The right/left differences of 3D measurements were compared between the two groups, and measurements were compared separately on the right and left sides...
March 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29423378/evaluation-of-the-stability-of-maxillary-expansion-using-cone-beam-computed-tomography-after-segmental-le-fort-i-osteotomy-in-adult-patients-with-skeletal-class-iii-malocclusion
#18
Hoon Kim, Kyung-Suk Cha
Objective: The aim of this study is to quantitatively evaluate the stability of the skeletal and dental widths using cone-beam computed tomography (CBCT) after segmental Le Fort I osteotomy in adult patients with skeletal Class III malocclusion requiring maxillary expansion. Methods: In total, 25 and 36 patients with skeletal Class III malocclusion underwent Le Fort I osteotomy (control group) and segmental Le Fort I osteotomy (experimental group), respectively...
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29291189/osseous-outgrowth-on-the-buccal-maxilla-associated-with-piezosurgery-assisted-en-masse-retraction-a-case-series
#19
Nilüfer İrem Tunçer, Ayça Arman-Özçırpıcı, Bahar Füsun Oduncuoğlu, Alpdoğan Kantarcı
Piezoelectric surgery is a novel surgical approach used in orthodontic treatment for rapid tooth movement. This paper presents a case series wherein osseous outgrowths were observed in response to piezosurgery-assisted en-masse retraction. Sixteen patients requiring upper premolar extractions were treated with miniscrew-supported en-masse retraction and received minimally invasive decortication via piezosurgery. Computed tomography (CT) of the maxillary anterior region was performed to investigate the nature of the outgrowths...
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29291188/effect-of-carbonated-water-manufactured-by-a-soda-carbonator-on-etched-or-sealed-enamel
#20
Hyo-Kyung Ryu, Yong-do Kim, Sung-Su Heo, Sang-Cheol Kim
Objective: The purpose of this study was to determine the effects of carbonated water on etched or sealed enamel according to the carbonation level and the presence of calcium ions. Methods: Carbonated water with different carbonation levels was manufactured by a soda carbonator. Seventy-five premolar teeth were randomly divided into a control group and 4 experimental groups in accordance with the carbonation level and the presence of calcium ions in the test solutions...
January 2018: Korean Journal of Orthodontics
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