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Korean Journal of Orthodontics

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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
#1
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
#2
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
#3
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
https://www.readbyqxmd.com/read/29291187/dentofacial-transverse-development-in-koreans-according-to-skeletal-maturation-a-cross-sectional-study
#4
Soonshin Hwang, Yoonjeong Noh, Yoon Jeong Choi, Chooryung Chung, Hye Sun Lee, Kyung-Ho Kim
Objective: The aim of this study was to establish the normative data of dentofacial transverse dimensions according to the skeletal maturation stage in Korean adolescents with good occlusion, assess gender differences and determine correlations between transverse variables. Methods: A total of 577 Korean subjects between ages 7 to 19 years and exhibiting skeletal Class I occlusion were categorized by skeletal maturation index (SMI) of Fishman using hand-wrist radiographs...
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29291186/evaluation-of-factors-influencing-the-success-rate-of-orthodontic-microimplants-using-panoramic-radiographs
#5
Jae Hyun Park, Jong-Moon Chae, R Curtis Bay, Mi-Jung Kim, Keun-Young Lee, Na-Young Chang
Objective: The purpose of this study was to investigate factors influencing the success rate of orthodontic microimplants (OMIs) using panoramic radiographs (PRs). Methods: We examined 160 OMIs inserted bilaterally in the maxillary buccal alveolar bone between the second premolars and first molars of 80 patients (51 women, 29 men; mean age, 18.0 ± 6.1 years) undergoing treatment for malocclusion. The angulation and position of OMIs, as well as other parameters, were measured on PRs...
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29291185/disparity-in-opinions-on-lip-protrusiveness-in-contemporary-african-american-faces
#6
Yvette Battle, Monica Schneider, Laurence Magder, Eung-Kwon Pae
Objective: In accordance with the changing demographics in the United States, orthodontists working on various ethnic populations should be more conscious when using the standardized profile analyses for the African American patient. The objective of this study was to examine whether the perception of lip protrusiveness in modern African American faces has changed. For this purpose, we investigated the most favorable African American lip profile using the opinions of 10 experienced and 10 newly trained younger orthodontists...
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29291184/predictors-of-favorable-soft-tissue-profile-outcomes-following-class-ii-twin-block-treatment
#7
Ji-Eun Kim, Su-Jung Mah, Tae-Woo Kim, Su-Jung Kim, Ki-Ho Park, Yoon-Goo Kang
Objective: The aim of this study was to determine cephalometric factors that help predict favorable soft-tissue profile outcomes following treatment with the Class II Twin-block appliance. Methods: Pre- and post-treatment lateral cephalograms of 45 patients treated with the Class II Twin-block appliance were retrospectively analyzed. Profile silhouettes were drawn from the cephalograms and evaluated by three orthodontists in order to determine the extent of improvement...
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29291183/prediction-of-optimal-bending-angles-of-a-running-loop-to-achieve-bodily-protraction-of-a-molar-using-the-finite-element-method
#8
Woon-Kuk Ryu, Jae Hyun Park, Kiyoshi Tai, Yukio Kojima, Youngjoo Lee, Jong-Moon Chae
Objective: The purpose of this study was to predict the optimal bending angles of a running loop for bodily protraction of the mandibular first molars and to clarify the mechanics of molar tipping and rotation. Methods: A three-dimensional finite element model was developed for predicting tooth movement, and a mechanical model based on the beam theory was constructed for clarifying force systems. Results: When a running loop without bends was used, the molar tipped mesially by 9...
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29291182/reader-s-forum
#9
COMMENT
Shubhra Jain, Sanjeev Verma, S P Singh
No abstract text is available yet for this article.
January 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29094024/list-of-the-international-reviewers-in-2017
#10
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090128/outcomes-of-comprehensive-fixed-appliance-orthodontic-treatment-a-systematic-review-with-meta-analysis-and-methodological-overview
#11
REVIEW
Spyridon N Papageorgiou, Damian Höchli, Theodore Eliades
OBJECTIVE: The aim of this systematic review was to assess the occlusal outcome and duration of fixed orthodontic therapy from clinical trials in humans with the Objective Grading System (OGS) proposed by the American Board of Orthodontics. METHODS: Nine databases were searched up to October 2016 for prospective/retrospective clinical trials assessing the outcomes of orthodontic therapy with fixed appliances. After duplicate study selection, data extraction, and risk of bias assessment according to the Cochrane guidelines, random-effects meta-analyses of the mean OGS score and treatment duration were performed and 95% confidence intervals (CIs) were calculated...
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090127/three-dimensional-structural-analysis-of-the-morphological-condition-of-the-alveolar-bone-before-and-after-orthodontic-treatment
#12
Yasuhiro Shimizu, Takashi Ono
Assessing the condition of the alveolar bone before and after orthodontic treatment is important. Recently, cone-beam computed tomography has been widely accepted as a useful tool for orthodontic treatment. Moreover, using a three-dimensional (3D) structural analysis software enables gathering detailed information and quantifying data. The aim of this study was to introduce various quantitative analyses performed before and after orthodontic treatment by using a 3D structural analysis software for evaluating the morphological condition of the alveolar bone of a patient with gingival recession around the canines...
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090126/multidisciplinary-management-of-a-fused-maxillary-central-incisor-moved-through-the-midpalatal-suture-a-case-report
#13
Hakan Bulut, Aylin Pasaoglu
Fusion of teeth is a developmental anomaly. It occurs at the stage of tooth formation, which determines the shape and size of the tooth crown, when one or more teeth fuse at the dentin level during the morphodifferentiation of the dental germs. Such teeth show macrodontia and may cause crowding, as well as esthetic and endodontic problems. In this article, we report a rare case of a maxillary central incisor fused to a supernumerary tooth showing labial and palatal talon cusps, which was orthodontically moved across the midpalatal suture...
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090125/comparison-of-treatment-effects-between-the-modified-c-palatal-plate-and-cervical-pull-headgear-for-total-arch-distalization-in-adults
#14
Chong Ook Park, Noor Laith Sa'aed, Mohamed Bayome, Jae Hyun Park, Yoon-Ah Kook, Young-Seok Park, Seong Ho Han
OBJECTIVE: The purpose of this study was to evaluate the dental and skeletal effects of the modified C-palatal plate (MCPP) for total arch distalization in adult patients with Class II malocclusion and compare the findings with those of cervical pull headgear. METHODS: The study sample consisted of the lateral cephalograms of 44 adult patients with Class II Division 1 malocclusion, including 22 who received treatment with MCPP (age, 24.7 ± 7.7 years) and 22 who received treatment with cervical pull headgear (age, 23...
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090124/the-relationships-between-the-arrangement-of-teeth-root-resorption-and-dental-maturity-in-bovine-mandibular-incisors
#15
Jin-Kyu An, Yoshiro Matsumoto, Takashi Ono
OBJECTIVE: The objective of this study is to investigate the eruption pattern and root resorption of the bovine anterior dentition in relation to growth-related parameters based on dental maturity. METHODS: A cross-sectional study was conducted on 110 bovine anterior mandibles by using standard radiography, cone-beam computed tomography (CBCT), and actual measurements. We determined the relationships between the stages of dental maturity by using a modification of Demirjian's method and various growth-related parameters, such as the activity of the root-resorbing tissue and mobility of the deciduous teeth...
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090123/investigation-of-the-effects-of-miniscrew-assisted-rapid-palatal-expansion-on-airflow-in-the-upper-airway-of-an-adult-patient-with-obstructive-sleep-apnea-syndrome-using-computational-fluid-structure-interaction-analysis
#16
Jae-Sik Hur, Hyoung-Ho Kim, Jin-Young Choi, Sang-Ho Suh, Seung-Hak Baek
OBJECTIVE: The objective of this study was to investigate the effects of miniscrew-assisted rapid palatal expansion (MARPE) on changes in airflow in the upper airway (UA) of an adult patient with obstructive sleep apnea syndrome (OSAS) using computational fluid-structure interaction analysis. METHODS: Three-dimensional UA models fabricated from cone beam computed tomography images obtained before (T0) and after (T1) MARPE in an adult patient with OSAS were used for computational fluid dynamics with fluid-structure interaction analysis...
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090122/effects-of-bodily-retraction-of-mandibular-incisors-versus-mandibular-setback-surgery-on-pharyngeal-airway-space-a-comparative-study
#17
Byeong-Tak Keum, Sung-Hwan Choi, Yoon Jeong Choi, Hyoung-Seon Baik, Kee-Joon Lee
OBJECTIVE: The purpose of this study was to compare the changes induced in the pharyngeal airway space by orthodontic treatment with bodily retraction of the mandibular incisors and mandibular setback surgery without extraction. METHODS: This retrospective study included 63 adult patients (32 men and 31 women). Thirty-three patients who had been treated via four-bicuspid extraction and bodily retraction of the mandibular incisors (incisor retraction, IR group) were compared with 30 patients who had been treated via mandibular setback surgery (MS group) without extraction...
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29090121/reader-s-forum
#18
COMMENT
Pansoo Park
No abstract text is available yet for this article.
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29067281/corrigendum-correction-to-the-author-s-affiliation
#19
(no author information available yet)
[This corrects the article on p. 21 in vol. 47, PMID: 28127536.][This corrects the article on p. 242 in vol. 46, PMID: 27478801.].
November 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28861395/teeth-discoloration-during-orthodontic-treatment
#20
Un-Bong Baik, Hoon Kim, Hwa-Sung Chae, Ji-Yun Myung, Youn-Sic Chun
OBJECTIVE: Teeth discoloration is a rare orthodontic complication. The aim of this study was to report the clinical progression of discoloration during orthodontic treatment. METHODS: Discolored teeth, detected during orthodontic treatment between January 2003 and December 2012 by a single dentist using similar techniques and appliances, were analyzed. RESULTS: The total number of teeth that showed discoloration was 28. Progression of discoloration was evaluated in only 24 teeth that were observed without any treatment...
September 2017: Korean Journal of Orthodontics
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