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Temporary anchorage device

Fernando Gianzanti Peres, Luis Eduardo Marques Padovan, Leandro Eduardo Kluppel, Gustavo Calvalcanti Albuquerque, Paulo Cesar Ulson de Souza, Marcela Claudino
Introduction: Temporary anchorage devices (TADs) have been developed to be used as direct adjuncts in orthodontic treatment and have facilitated treatment of more complex orthodontic cases, including patients with dental impaction. Objectives: This clinical case reports the applicability of TADs in the orthodontic treatment of a patient with impacted mandibular second molars. Surgical and orthodontic procedures related to the use of miniplates were also discussed in this study...
September 2016: Dental Press Journal of Orthodontics
Keun-Young Lee, Jae Hyun Park, Kiyoshi Tai, Jong-Moon Chae
A girl, aged 11 years 4 months, with a skeletal Class II pattern and a severe overjet (10 mm) was treated with a Twin-block appliance. After 9 months of appliance therapy, the skeletal Class II was overcorrected. After 26 months of retention, when the occlusion was stable and the growth rate was diminishing, fixed orthodontic appliances using temporary skeletal anchorage devices were initiated. The total active treatment time with fixed orthodontic appliances was 30 months. Posttreatment records after 18 months demonstrated excellent stability: a functional occlusion and a pleasing facial balance...
November 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Sonia Patricia Plaza
The patient in this case is an 11-year-old girl, whose mandibular left canine was transmigrated. The traction to the arch was assisted by using a temporary skeletal anchorage device. After 5 months of poor response to traction, the biomechanics were re-adjusted, obtaining effective traction in to the arch in 12 months. After this period, the treatment was completed with fixed orthodontic appliances.
December 2016: Journal of Orthodontics
Michael Mah, Kenji Takada
INTRODUCTION: When the mandibular permanent second molar becomes impacted, it is identified as a malocclusion that needs treatment as it often leads to unwanted complications such as caries and periodontitis of the adjacent permanent first molar. Other less common complications include root resorption of the adjacent first molar root or continued root development to be in close proximity to the inferior dental alveolar nerve. MATERIALS AND METHODS: This paper seeks to differentiate various levels of severity of impaction and review treatment options that are considered clinically available for the proper management of the impacted mandibular permanent second molar...
September 2016: L' Orthodontie Française
Yi Lin Song, Mimi Yow, Ming Tak Chew, Kelvin Weng Chiong Foong, Hung Chew Wong
[This corrects the article DOI: 10.1155/2015/294670.].
2016: International Journal of Dentistry
M Leo, L Cerroni, G Pasquantonio, S G Condò, R Condò
INTRODUCTION: The mini-implant, temporary anchorage devices (TADS), are now a common method of treatment in Orthodontics with versatility, minimal invasiveness and the relationship between costs and benefits that they offer even today. Skeletal anchorage has, to a large degree, replaced conventional anchorage in situations where anchorage is considered either critical, insufficient, or likely to result in undesirable side effects such as vertical displacements generated by inter-maxillary force systems...
May 2016: La Clinica Terapeutica
Massoud Seifi, Negin-Sadat Matini
BACKGROUND: Stability is determined as one of the requirements in use of Temporary Anchorage Devices (TAD) in orthodontics. Miniscrew has been a widely used Bone Anchor. Compared with mini-implant that necessitates osseointegration; mechanical retention is a determining factor for primary stability of miniscrew. Studies investigated various ways to increase primary stability. The aim of this study is to introduce a new configuration of miniscrew system which is believed to obtain more primary stability...
July 2016: Journal of Clinical and Experimental Dentistry
Adrian J Palencar
An anterior open bite is one of the most difficult occlusal abnormalities to treat. Quite often this aberration entails dental component and/or skeletal component. The skeletal open bite will require intrusion of the posterior sextants with the assistance of bite blocks, temporary anchorage devices, high pull headgear, and as a last resort - orthognathic surgery. The orthodontic treatment should be augmented with the orofacial myofunctional therapy. In this article, the author describes 3 different variations of treatment of the dental anterior open bite, first on acrylic models, and then on the actual patients...
2016: International Journal of Orthodontics
Farzin Heravi, Hooman Shafaee, Ali Forouzanfar, Seyed Hossein Hoseini Zarch, Mohsen Merati
OBJECTIVE: The aim of this study was to evaluate the movement of impacted canines away from the roots of neighboring teeth before full-mouth bracket placement, performed by means of TADs to decrease undesired side effects on adjacent teeth. METHODS: The study sample consisted of 34 palatally impacted canines, being 19 in the experimental group and 15 in the control group. In the experimental group, before placement of brackets, the impacted canine was erupted by means of miniscrews...
March 2016: Dental Press Journal of Orthodontics
Jae Hyun Park, Kiyoshi Tai, Yasumori Sato
A 15-year-old girl who had a unilateral condylar fracture with severe crowding in both arches was treated with 4 premolar extractions followed by orthodontic therapy with a temporary skeletal anchorage device in the maxillary arch. The total active treatment time was 21 months. Her occlusion was significantly improved by orthodontic treatment, and the range of condylar movement was also improved. Posttreatment records after 30 months showed excellent results with a good stable occlusion. The remodeling process of the condyle was confirmed with cone-beam computed tomography images...
June 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Tadao Fukui, Hiroyuki Kano, Isao Saito
A woman was referred to the orthodontic clinic for treatment. She was diagnosed with a skeletal Class II malocclusion, a steep mandibular plane, and an anterior open bite. Conventional orthodontic treatment was considered to correct the maxillary protrusion and anterior open bite, but the patient also requested improvement of her facial esthetics. We therefore decided that nonsurgical treatment consisting of 4 premolar extractions combined with temporary anchorage devices was indicated. Satisfactory improvement of the overjet and overbite, and proper functional occlusion were obtained, resulting in a Class I molar relationship...
June 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Qiao Ling Ma, R Scott Conley, Tuojiang Wu, Huang Li
Asymmetries are among the most challenging problems in orthodontics. Proper diagnosis is critical to discern first whether the asymmetry is dental or skeletal. If it is dental, one must then determine whether one dental arch or both are at fault. Once diagnosed, the next challenge is determining not only an appropriate treatment plan, but also the appropriate mechanics plan. This aim of this article is to present a patient with a severe asymmetry to emphasize the importance of a problem-based differential diagnosis to develop both a sound treatment plan and a mechanics plan that successfully integrates miniscrews from the start of the process...
May 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Antonio Gracco, Laura Siviero, Alberto de Stefani, Giovanni Bruno, Edoardo Stellini
A 45-year-old woman presented with an anterior open-bite complaining chiefly of her unpleasant smile esthetics and masticatory and speech problems. Treatment included speech therapy initiated immediately after bonding. Lingual spurs were positioned on the mandibular incisors in order to help tongue rehabilitation. During the working phase, temporary anchorage devices (TADs) were used at the mandibular anterior segment to intrude the lower left premolars. A splint was used to ensure retention in the upper and lower arches; an enveloppe linguale nocturne (ELN) was provided...
June 2016: International Orthodontics
Seyed Mohammadreza Safavi, Shadi Mohebi, Sara Youssefinia, Sepideh Soheilifar
Open-bite is one of the most challenging malocclusions to be corrected orthodontically. Temporary anchorage devices had enabled orthodontists to treat open-bite cases successfully. In this case report a 15 years old girl with open-bite was treated with maxillary molar intrusion with the aid of alveolar mini-screws.
2015: International Journal of Orthodontics
Mohammed Almuzian, Fahad Alharbi, Grant McIntyre
Extra-oral appliances are used in orthodontics to apply forces to the jaws, dentition or both and the popularity of these appliances is cyclical. Although the use of retraction headgear for the management of Class II malocclusion has declined over the last 20 years with the refinement of non-compliance approaches, including temporary anchorage devices, headgear still has a useful role in orthodontics. The use of protraction headgear has increased as more evidence of its effectiveness for the treatment of Class lIl malocclusion has become available...
January 2016: Dental Update
Benedict Wilmes, Sivabalan Vasudavan, Bruce Stocker, Jan H Willmann, Dieter Drescher
Recently, skeletal anchorage devices have been used as anchorage units for upper molar intrusion as a way of correcting an anterior open bite malocclusion. To avoid the surgical procedures associated with the placement of miniplates in the zygomatic area, mini-implants may be inserted palatally or buccally in the alveolar process. However, consideration must be given to the potential risks of root damage and a higher failure rate associated with the placement of temporary anchorage devices (TADs) in the interradicular area...
November 2015: Australian Orthodontic Journal
Ahmad Saleem Alsafadi, Mohannad M Alabdullah, Humam Saltaji, Anas Abdo, Mohamed Youssef
OBJECTIVE: The objective of the study is to assess the effect of molar intrusion with temporary anchorage devices on the vertical facial morphology and mandibular rotation during open bite treatment in the permanent dentition. METHODS: We performed a systematic review of the published data in seven electronic databases up to September 2015. We considered studies for inclusion if they were examining the effects of posterior teeth intrusion on the vertical facial morphology with open bite malocclusion in the permanent dentition...
2016: Progress in Orthodontics
Justin Garrett, Eustaquio Araujo, Christopher Baker
An open-bite malocclusion with a tongue-thrust habit is a challenging type of malocclusion to correct. A 12-year-old girl came for orthodontic treatment with a severe anterior open bite, extruded posterior segments, a tongue-thrust habit, and lip incompetency. Her parents refused surgical treatment, so a nonextraction treatment plan was developed that used palatal temporary skeletal anchorage devices for vertical control and mandibular tongue spurs to reeducate the tongue. Interproximal reduction was also used to address the moderate to severe mandibular crowding...
February 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Kyung-Won Seo, Soon-Yong Kwon, Kyung A Kim, Ki-Ho Park, Seong-Hun Kim, Hyo-Won Ahn, Gerald Nelson
OBJECTIVE: To evaluate and compare the effects of two appliances on the en masse retraction of the anterior teeth anchored by temporary skeletal anchorage devices (TSADs). METHODS: The sample comprised 46 nongrowing hyperdivergent adult patients who planned to undergo upper first premolar extraction using lingual retractors. They were divided into three groups, based on the lingual appliance used: the C-lingual retractor (CLR) group (group 1, n = 16) and two antero-posterior lingual retractor (APLR) groups (n = 30, groups 2 and 3)...
November 2015: Korean Journal of Orthodontics
Kyung A Kim, Jae-Jung Yu, Yu Chen, Su-Jung Kim, Seong-Hun Kim, Gerald Nelson
BACKGROUND: This article compared the use of temporary skeletal anchorage devices (TSADs) and orthognathic surgery for scissors bite correction. METHODS: To correct the scissors bite without orthognathic surgery, a cross-type titanium miniplate was placed with 3 miniscrews (1.5 mm in diameter and 5 mm in length) in the midpalatal area, without a surgical incision and under local anesthesia. In addition, a 1 miniscrew was placed on the buccal alveolar bone to avoid molar extrusion during uprighting...
November 2015: Journal of Craniofacial Surgery
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