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Temporary anchorage device

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https://www.readbyqxmd.com/read/29135733/treatment-of-maxillary-hypoplasia-in-cleft-lip-and-palate-segmental-distraction-osteogenesis-with-hyrax-device
#1
Rodrigo Fariña, Alejandro Diaz, Roberto Pantoja, Carolina Bidart
The objective of this work is to describe a segmental maxillary distraction osteogenesis (SDO) with segmental Lefort I with an inexpensive device.Four patients who presented severe class III and maxillary hypoplasia due to cleft lip and palate sequel were treated. A SDO was performed using a dental-anchored Hyrax device, achieving enlargement of the upper jaw without altering speech, with adequate and stable occlusion. Dental implants in a new formed bone were installed.The authors can conclude that SDO is a good treatment alternative for patients with maxillary hypoplasia...
November 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29119097/skeletal-anchorage-for-intrusion-of-bimaxillary-molars-in-a-patient-with-skeletal-open-bite-and-temporomandibular-disorders
#2
Akihiko Iwasa, Shinya Horiuchi, Nao Kinouchi, Takashi Izawa, Masahiro Hiasa, Nobuhiko Kawai, Akihiro Yasue, Ali H Hassan, Eiji Tanaka
The treatment of severe skeletal anterior open bite is extremely difficult in adults, and orthognathic surgery is generally selected for its treatment. We report the case of an 18-year-old adult patient with skeletal anterior open bite and temporomandibular disorders who was successfully treated using temporary anchorage devices. She had an open bite of -2.0 mm and an increased facial height. Miniplates were implanted in both the maxilla and mandible, and molar intrusion resulted in counterclockwise rotation of the mandible over a period of 12 months...
October 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/29103447/nonsurgical-treatment-of-an-adult-with-a-skeletal-class-ii-gummy-smile-using-zygomatic-temporary-anchorage-devices-and-improved-superelastic-nickel-titanium-alloy-wires
#3
Yuji Ishida, Takashi Ono
Patients with a severe gummy smile and a skeletal Class II profile are difficult to treat. This case report describes an effective treatment alternative for improving a gummy smile in a patient with a severe Class II molar relationship, severe crowding, and lip protrusion using zygomatic anchorage devices and improved superelastic nickel-titanium wires. A 36-year-old woman had an excessive overjet and a deep overbite with a bilateral Angle Class II molar relationship. The cephalometric analysis demonstrated a Class II skeletal relationship (ANB, 9...
November 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28985107/a-comparison-of-treatment-effects-of-total-arch-distalization-using-modified-c-palatal-plate-vs-buccal-miniscrews
#4
Sang Kyu Lee, Noha H Abbas, Mohamed Bayome, Un-Bong Baik, Yoon-Ah Kook, Mihee Hong, Jae Hyun Park
OBJECTIVE: The purpose of this study was to compare the treatment effects of palatally vs buccally placed temporary anchorage devices. MATERIALS AND METHODS: Of 40 Class II division 1 malocclusion patients, 22 were treated with modified C-palatal plate (MCPP) appliances (age 21.9 ± 6.6 years), and 18 (age 24.2 ± 6.8 years) were treated with buccally placed miniscrews between the maxillary first molar and second premolar. A total of 26 linear and angular measurements were analyzed on pre- and posttreatment lateral cephalograms...
October 6, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28962727/comparison-of-in-vivo-failure-of-single-thread-and-dual-thread-temporary-anchorage-devices-over-18%C3%A2-months-a-split-mouth-randomized-controlled-trial
#5
RANDOMIZED CONTROLLED TRIAL
Owais Khalid Durrani, Sohrab Shaheed, Arsalan Khan, Ulfat Bashir
INTRODUCTION: The purpose of this study was to compare the in-vivo failure rates of single-thread and dual-thread temporary anchorage device (TAD) designs over 18 months. METHODS: Thirty patients with skeletal Class II Division 1 malocclusion requiring anchorage from TADs for retraction of maxillary incisors into the extracted premolar space were recruited in this parallel group, split-mouth, randomized controlled trial. A block randomization sequence was generated with Random Allocation Software (version 2...
October 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28953142/wide-linear-corticotomy-and-anterior-segmental-osteotomy-under-local-anesthesia-combined-corticision-for-correcting-severe-anterior-protrusion-with-insufficient-alveolar-housing
#6
Min-Ki Noh, Baek-Soo Lee, Shin-Yeop Kim, Hyeran Helen Jeon, Seong-Hun Kim, Gerald Nelson
BACKGROUNDS: This article presents an alternate surgical treatment method to correct a severe anterior protrusion in an adult patient with an extremely thin alveolus. To accomplish an effective and efficient anterior segmental retraction without periodontal complications, the authors performed, under local anesthesia, a wide linear corticotomy and corticision in the maxilla and an anterior segmental osteotomy in mandible. METHODS: In the maxilla, a wide linear corticotomy was performed under local anesthesia...
November 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28806378/gummy-smile-correction-using-lingual-orthodontics-and-augmented-corticotomy-in-extremely-thin-alveolar-housing
#7
Kyung-Yen Nahm, Seung-Yun Shin, Hyo-Won Ahn, Seong-Hun Kim, Gerald Nelson
BACKGROUND: Tooth movement out of anatomic limitations was assisted by augmented corticotomy using deproteinized bovine bone mineral. METHODS: Lip protrusion can be reduced by premolar extraction followed by retraction of the anterior teeth. Surgical intervention is appropriate when the alveolar bone housing of the anterior region is insufficient for the tooth movement. In this patient, corticotomy in upper palatal area and anterior segmented osteotomy in the mandible were performed...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28651755/miniscrew-assisted-customized-lingual-appliances-for-predictable-treatment-of-skeletal-class-ii-malocclusion-with-severe-deep-overbite-and-overjet
#8
Xue-Dong Wang, Fei-Fei Lei, Da-Wei Liu, Jie-Ni Zhang, Wei-Tao Liu, Yang Song, Yan-Heng Zhou
This report describes the use of miniscrew-assisted customized lingual fixed appliances in a patient with severe skeletal Class II malocclusion. The patient was a 12-year-old Chinese girl with the chief complaint of protrusive lips and anterior teeth. Her diagnosis included a skeletal Class II relationship with maxillary protrusion, a backward-rotated mandible, a full Angle Class II molar relationship, and severe deep overjet and overbite. Four premolars were extracted, and miniscrew anchorage was placed in the maxillary posterior lingual segment to provide maximum anchorage and to achieve vertical control of the intruding molars...
July 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554460/forced-eruption-of-a-palatally-impacted-and-transposed-canine-with-a-temporary-skeletal-anchorage-device
#9
Mi-Young Lee, Jae Hyun Park, Jin-Gon Jung, Jong-Moon Chae
Treatment of palatally impacted and transposed canines is challenging for both orthodontists and oral surgeons. To treat a maxillary canine impaction without risking damage to adjacent teeth, it is necessary to use cone-beam computed tomography for proper localization and treatment planning. In this case report, a palatally impacted canine was initially retracted distally with a microimplant inserted in the palatal slope and then was moved buccally into its ideal position. The patient's occlusion and smile esthetics were significantly improved after orthodontic treatment...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28554457/comparative-evaluation-of-treatment-outcomes-between-temporary-anchorage-devices-and-class-iii-elastics-in-class-iii-malocclusions
#10
COMPARATIVE STUDY
Masahiro Nakamura, Noriaki Kawanabe, Tomoki Kataoka, Takashi Murakami, Takashi Yamashiro, Hiroshi Kamioka
INTRODUCTION: Our objective was to elucidate the differences in treatment outcomes caused by the different mechanics of temporary anchorage devices (TADs) and Class III elastics in patients with Class III malocclusions. METHODS: Records of 23 patients with Angle Class III malocclusion were selected retrospectively. All had been treated with nonextraction comprehensive orthodontic treatment; 11 were treated with TADs and 12 with Class III elastics. Pretreatment and posttreatment lateral cephalograms were used for evaluation of the treatment outcomes...
June 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28379399/the-nasopalatine-canal-a-limiting-factor-for-temporary-anchorage-devices-a-cone-beam-computed-tomography-data-study
#11
Raphael Tilen, Raphael Patcas, Michael M Bornstein, Björn Ludwig, Marc Schätzle
No abstract text is available yet for this article.
April 1, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28339580/the-integration-of-orthodontic-miniscrews-under-mechanical-loading-a-pre-clinical-study-in-rabbit
#12
B Giuliano Maino, Alberto Di Blasio, Davide Spadoni, Francesca Ravanetti, Carlo Galli, Antonio Cacchioli, Christos Katsaros, Mauro Gandolfini
Introduction: Orthodontic miniscrews are an increasingly popular choice to achieve absolute anchorage. The temporary use of miniscrews and their recent introduction have limited the debate over the biological aspect of the materials to that of the surface that permeates the field of dental implants. The aim of the present study was to investigate the integration of grade 5 titanium mini-implants with machined or sand blasted acid etched surface (SAE) under mechanical load in a rabbit tibia model of implant integration...
October 1, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28318311/treatment-of-vertical-maxillary-excess-without-open-bite-in-a-skeletal-class-ii-hyperdivergent-patient
#13
Cheol-Ho Paik, Hong-Sik Park, Hyo-Won Ahn
A 20-year-old woman visited the office complaining of a gummy smile and lip protrusion. She was diagnosed with vertical maxillary excess without open bite and skeletal Class II hyperdivergent pattern. She refused the surgical-orthodontic treatment option, although she wanted to correct the gummy smile and retruded chin. Differential intrusion of anterior and posterior teeth in both arches was necessary to maximize the skeletal treatment effects. In the maxilla, one palatal temporary anchorage device (TAD), an archwire with an accentuated curve of Spee, and a transpalatal arch were applied...
July 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28299260/controlling-the-vector-of-distraction-osteogenesis-in-the-management-of-obstructive-sleep-apnea
#14
Dekel Shilo, Omri Emodi, Dror Aizenbud, Adi Rachmiel
BACKGROUND: Obstructive sleep apnea (OSA) in individuals with craniofacial anomalies can compromise airway and is a serious life-threatening condition. In many cases, tracheostomy is carried out as the treatment of choice. Distraction osteogenesis of the mandible as a treatment modality for OSA is very useful and may spare the need for tracheostomy or allow decannulation, yet controlling the vector of distraction is still a major challenge. We present a method for controlling the vector of distraction...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28257742/orthodontic-uprighting-of-a-horizontally-impacted-third-molar-and-protraction-of-mandibular-second-and-third-molars-into-the-missing-first-molar-space-for-a-patient-with-posterior-crossbites
#15
Un-Bong Baik, Myung-Rae Kim, Kyu-Ho Yoon, Yoon-Ah Kook, Jae Hyun Park
A 22-year-old woman came with a unilateral missing mandibular first molar and buccal crossbite. The open space was closed by protraction of the mandibular left second molar and uprighting and protraction of the horizontally impacted third molar using temporary skeletal anchorage devices, and her buccal crossbite was corrected with modified palatal and lingual appliances. The total active treatment time was 36 months. Posttreatment records after 9 months showed excellent results with a stable occlusion.
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28257728/effectiveness-of-orthodontic-miniscrew-implants-in-anchorage-reinforcement-during-en-masse-retraction-a-systematic-review-and-meta-analysis
#16
REVIEW
Joanna Antoszewska-Smith, Michał Sarul, Jan Łyczek, Tomasz Konopka, Beata Kawala
INTRODUCTION: The aim of this systematic review was to compare the effectiveness of orthodontic miniscrew implants-temporary intraoral skeletal anchorage devices (TISADs)-in anchorage reinforcement during en-masse retraction in relation to conventional methods of anchorage. METHODS: A search of PubMed, Embase, Cochrane Central Register of Controlled Trials, and Web of Science was performed. The keywords were orthodontic, mini-implants, miniscrews, miniplates, and temporary anchorage device...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28066875/evaluating-the-effects-of-consolidation-on-intrusion-and-retraction-using-temporary-anchorage-devices-a-fem-study
#17
Monica Namburi, Sleevaraju Nagothu, Chetan S Kumar, N Chakrapani, C H Hanumantharao, Supradeep K Kumar
BACKGROUND: Extraction of premolars and retracting the anterior teeth using mini-implants and anterior retraction hooks became advent now a day. In such treatments, consolidation of arches is not done in regular practice. So, the present study is concentrated on effects of consolidation in two implant and three implant combinations of retraction and intrusion. METHODS: A three-dimensional FEM model of maxillary teeth and periodontal ligament housed in the alveolar bone with the first premolars extracted is generated with appropriate number of elements and nodes...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28045812/miniplate-with-a-bendable-c-tube-head-allows-the-clinician-to-alter-biomechanical-advantage-in-extremely-complicated-anatomic-structure
#18
Kyung Won Seo, Nur Serife Iskenderoglu, Eui Hwan Hwang, Kyu-Rhim Chung, Seong-Hun Kim
BACKGROUNDS: This article reports C-tube miniplates as a practical temporary anchorage device choice to treat open bite patients with maxillary sinus pneumatization. METHODS: The C-tube components are titanium anchor plates and monocortical screws that are basically similar to any other miniplate systems, but it has the unique characteristic of the tube head to be malleable. The manipulation of the head part is easy due to the composition of pure titanium. The I-shaped C-tube with 3 holes and T-shaped C-tube miniplates were placed above the apices of maxillary molars as an absolute anchorage system to intrude the posterior maxilla...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28042267/comparison-of-temporary-anchorage-devices-and-transpalatal-arch-mediated-anchorage-reinforcement-during-canine-retraction
#19
Defne Kecik
OBJECTIVE: The purpose of this study was to compare the dental and skeletal effects of canine retraction using conventional anchorage reinforcement systems and comparing them with the usage of TADs. MATERIALS AND METHODS: The sample consisted of 50 patients having Class I malocclusions with bimaxillary protrusion indicated for first premolar extraction, and allocated into two groups. The first group consisted of 25 patients with a mean age of 18,7 years (min:14, max:22 years, 16 girls and 9 boys) that TADs were applied as an anchorage mechanic between attached gingiva of upper second premolar and first molar teeth...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28042256/are-temporary-anchorage-devices-truly-effective-in-the-treatment-of-skeletal-open-bites
#20
Hakan Turkkahraman, Mehmet Sarioglu
OBJECTIVE: The aims of this study were to evaluate the effects of temporary anchorage devices (TADs) in the treatment of skeletal open bites and to compare the results with untreated controls. MATERIALS AND METHODS: A total of forty patients with skeletal anterior open bites were assigned to two groups of twenty each. The mean chronological age for the treatment group (14 female, 6 male) was 16.68 ± 2.80 years old, compared with 16.63 ± 2.83 years old for the control group (11 female, 9 male)...
October 2016: European Journal of Dentistry
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