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https://www.readbyqxmd.com/read/28643922/speed-of-human-tooth-movement-in-growers-and-non-growers-selection-of-applied-stress-matters
#1
L R Iwasaki, Y Liu, H Liu, J C Nickel
OBJECTIVES: To test that the speed of tooth translation is not affected by stress magnitude and growth status. SETTING AND SAMPLE POPULATION: Advanced Education Orthodontic clinics at the Universities of Nebraska Medical Center and Missouri-Kansas City. Forty-six consenting subjects with orthodontic treatment plans involving maxillary first premolar extractions. MATERIALS AND METHODS: This randomized split-mouth study used segmental mechanics with definitive posterior anchorage and individual vertical-loop maxillary canine retraction appliances and measured three-dimensional tooth movements...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643913/effect-of-exogenous-retinoic-acid-on-tooth-movement-and-periodontium-healing-following-tooth-extraction-in-a-rat-model
#2
C Nishio, P Rompré, F Moldovan
OBJECTIVES: To evaluate the effect of isotretinoin on orthodontic tooth movement (OTM) and wound healing following exodontia. SETTING AND SAMPLE POPULATION: Sixteen 40-day-old male Wistar rats were divided into two groups: (a) OTM and (b) tooth extraction (TE) of the upper 1st molar and OTM. The experimental animals were treated with isotretinoin (7.5 mg/kg) and the control animals with oil solution for 37 days. MATERIALS AND METHODS: The OTM and bone volume were evaluated by the micro-CT and the periodontium healing was assessed by immunohistochemistry for VEGF-C, COX-2 and IL-1ß...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28414871/effect-of-platelet-rich-plasma-on-orthodontic-tooth-movement-in-dogs
#3
A Rashid, F A ElSharaby, E M Nassef, S Mehanni, Y A Mostafa
OBJECTIVES: To evaluate the effect of platelet-rich plasma (PRP) on the rate of orthodontic tooth movement. METHODS: The sample comprised six skeletally mature male mongrel dogs. The maxillary second premolar in each dog was extracted bilaterally. PRP was prepared and injected around the first premolar in one randomly selected maxillary quadrant while the other quadrant served as the control. Coil springs (150 g) were used to distalize the first premolars for 63 days using TAD as anchorage...
May 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28338029/unclear-if-non-surgical-adjuncts-accelerate-orthodontic-treatment
#4
Ahmed Elkhadem, Moamen Sheba
Data sourcesCochrane Oral Health Group's Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, LILACS, the metaRegister of Controlled Trials, the US National Institutes of Health Trials Register and the WHO International Clinical Trials Registry Platform.Study selectionRandomised controlled trials of orthodontic treatment using fixed appliances along with non-surgical adjunctive interventions to accelerate tooth movement.Data extraction and synthesisTwo reviewers independently selected studies, abstracted data and assessed risk of bias...
March 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/27605986/the-effect-of-buccal-corticotomy-on-accelerating-orthodontic-tooth-movement-of-maxillary-canine
#5
Mohammad Reza Jahanbakhshi, Ali Mohammad Kalantar Motamedi, Masoud Feizbakhsh, Ahmad Mogharehabed
BACKGROUND: Selective alveolar corticotomy is defined as an intentional injury to cortical bone. This technique is an effective means of accelerating orthodontic tooth movement. The aim of this study is to evaluate the effect of buccal corticotomy in accelerating maxillary canine retraction. MATERIALS AND METHODS: The sample in this clinical trial study consisted of 15 adult female patients with therapeutic need for extraction of maxillary first premolars and maximum canine retraction...
July 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27256533/-effects-of-recombinant-human-growth-hormone-on-local-expression-of-insulin-like-growth-factor-%C3%A2-during-orthodontic-tooth-movement
#6
Y J Hu, W T Liu, Y L Wang, H He
OBJECTIVE: To explore in vivo the expression of insulin-like growth factor-Ⅰ(IGF-Ⅰ)under stress, and to analyze changes of the local expression related to recombinant human growth hormone(rhGH)treatment. METHODS: Forty Wistar rats were randomly divided into control and growth hormone groups, 20 in each group. A force of 0.49 N was applied to move the right upper first molars mesially. The growth hormone group and control group received daily subcutaneous injections of rhGH and equivalent volumes of saline, respectively...
June 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27034749/use-of-leukocyte-and-platelet-rich-fibrin-l-prf-in-periodontally-accelerated-osteogenic-orthodontics-paoo-clinical-effects-on-edema-and-pain
#7
Francisco Munoz, Constanza Jiménez, Daniela Espinoza, Alain Vervelle, Jacques Beugnet, Ziyad Haidar
BACKGROUND: Demand for shorter treatment time is common in orthodontic patients. Periodontally Accelerated Osteogenic Orthodontics (PAOO) is a somewhat new surgical procedure which allows faster tooth movement via combining orthodontic forces with corticotomy and grafting of alveolar bone plates. Leukocyte and Platelet-Rich Fibrin (L-PRF) possess hard- and soft-tissue healing properties. Further, evidence of pain-inhibitory and anti-inflammatory potential is growing. Therefore, this study explores the feasibility, intra- and post-operative effects of using L-PRF in PAOO in terms of post-operative pain, inflammation, infection and post-orthodontic stability...
April 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/26930605/using-micro-computed-tomography-to-evaluate-the-dynamics-of-orthodontically-induced-root-resorption-repair-in-a-rat-model
#8
Xiaolin Xu, Jianping Zhou, Fengxue Yang, Shicheng Wei, Hongwei Dai
OBJECTIVE: To observe dynamic changes in root resorption repair, tooth movement relapse and alveolar bone microstructure following the application of orthodontic force. MATERIALS AND METHODS: Forces of 20 g, 50 g or 100 g were delivered to the left maxillary first molars of fifteen 10-week-old rats for 14 days. Each rat was subjected to micro-computed tomography scanning at 0, 3, 7, 10, 14, 28 and 42 days after force removal. The root resorption crater volume, tooth movement relapse and alveolar bone microarchitecture were measured at each time point...
2016: PloS One
https://www.readbyqxmd.com/read/26917494/electrical-stimulation-enhances-tissue-reorganization-during-orthodontic-tooth-movement-in-rats
#9
Gisele Sampaio Spadari, Ewerton Zaniboni, Silvia Amelia Scudeler Vedovello, Mauro Pedrine Santamaria, Maria Esméria Corezola do Amaral, Gláucia Maria Tech Dos Santos, Marcelo Augusto Marretto Esquisatto, Fernanda Aparecida Sampaio Mendonca, Milton Santamaria
OBJECTIVE: This study evaluated the effects of a low-intensity electric current on tissue reorganization during experimental orthodontic tooth movement. MATERIALS AND METHODS: Thirty-two animals were divided into two groups evaluated on days 3 and 7: OTM-orthodontic tooth movement and OTM + MC-orthodontic tooth movement and microcurrent application (10 μA/5 min). The samples were processed for histological, morphometric, and Western blotting analysis. RESULTS: Analysis of the periodontal ligament (PL) showed a significantly smaller number of granulocytes in the OTM + MC group on day 7...
January 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/26894189/periodontal-intervention-in-speedy-orthodontics-a-case-report
#10
Snehi Kumar, Amitabh Srivastava, Ashish Sharma, Aarti Garg, Surubhi Kumar
The use of orthodontic treatment in adult patients is becoming more common and these patients have more specific objectives and concerns related to facial and dental aesthetics, specially regarding duration of treatment. Dentists are on the lookout for techniques for increased efficiency in orthodontic treatment. Alveolar Corticotomy-assisted orthodontic treatment is a recent orthodontic technique that is recently gaining wide acceptance and is recorded as effective means of accelerating orthodontic treatment...
January 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/26715998/dental-ontogeny-and-replacement-in-pliosauridae
#11
Judyth Sassoon, Davide Foffa, Ryan Marek
Dental morphology and patterns of tooth replacement in representatives of the clade Pliosauridae (Reptilia, Sauropterygia) are evaluated in detail. The jaws of one basal (Thalassiodracon hawkinsii) and two derived species (Pliosaurus carpenteri, Pliosaurus kevani) were visualized by μCT scans, and the ontogenetic patterns, or 'movement paths', of replacement teeth could be mapped. Other specimens (Peloneustes philarchus and Pliosaurus westbuyensis) with well-preserved jaws containing functional and replacement teeth in situ were also examined directly, and waves of tooth replacement could be inferred from the degree of in situ tooth development and the fusion between functional and replacement alveoli...
November 2015: Royal Society Open Science
https://www.readbyqxmd.com/read/26595657/comparison-of-the-effects-of-micro-osteoperforation-and-corticision-on-the-rate-of-orthodontic-tooth-movement-in-rats
#12
Chi-Yang Tsai, Teng-Kai Yang, Hsueh-Yin Hsieh, Liang-Yu Yang
OBJECTIVE: To investigate the effects of flapless micro-osteoperforation and corticision on the rate of orthodontic tooth movement in rats. MATERIALS AND METHODS: Forty-five 8-week-old male Sprague-Dawley rats were divided into the following groups: micro-osteoperforation and orthodontic force (MOP + F), corticision and orthodontic force (C + F), and orthodontic force only (F, control). The left maxillary first molars were pulled forward with a force of 50 g. Flapless surgical interventions were conducted in the MOP + F and C + F groups...
July 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/26576758/non-surgical-adjunctive-interventions-for-accelerating-tooth-movement-in-patients-undergoing-fixed-orthodontic-treatment
#13
REVIEW
Ahmed El-Angbawi, Grant T McIntyre, Padhraig S Fleming, David R Bearn
BACKGROUND: Accelerating the rate of tooth movement may help to reduce the duration of orthodontic treatment and associated unwanted effects including root resorption and enamel demineralisation. Several methods, including surgical and non-surgical adjuncts, have been advocated to accelerate the rate of tooth movement. Non-surgical techniques include low-intensity laser irradiation, resonance vibration, pulsed electromagnetic fields, electrical currents and pharmacological approaches...
November 18, 2015: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/26522032/centennial-inventory-the-changing-face-of-orthodontics
#14
Joseph G Ghafari
The American Journal of Orthodontics and Dentofacial Orthopedics celebrates its centennial, safeguarded by the nearly 115-year-old American Association of Orthodontists. This journey witnessed the rise and demise of various developments, concepts, and procedures, while basic knowledge is still needed. Various periods can be defined in the past century, but the goals remain to obtain more accurate diagnosis through precise anatomic imaging, more controlled and faster tooth movement, more discreet appliances, and the balance of esthetics, function, and stability...
November 2015: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/25888047/-bone-formation-and-corticotomy-induced-accelerated-bone-remodeling-can-alveolar-corticotomy-induce-bone-formation
#15
Nathan Moreau, Jean-Baptiste Charrier
Current orthodontic treatments must answer an increasing demand for faster yet as efficient treatments, especially in adult patients. These past years, the amelioration of orthodontic, anesthetic and orthognathic surgery techniques have allowed considerable improvement of orthodontico-surgical treatments and of adult orthodontic treatments. Alveolar corticotomy (an example of such techniques) accelerates orthodontic tooth movements by local modifications of bone metabolism, inducing a transient osteopenia. This osteopenia allows greater tooth movements than conventional techniques...
March 2015: L' Orthodontie Française
https://www.readbyqxmd.com/read/25728107/corticotomy-assisted-retraction-an-outcome-assessment
#16
S Vijayashri Sakthi, B Vikraman, V R Shobana, S Kavitha Iyer, N R Krishnaswamy
BACKGROUND: To assess the efficiency and treatment outcome of patients treated with corticotomy-assisted en-masse orthodontic retraction as compared with the en-masse retraction without corticotomy. MATERIALS AND METHODS: Forty adult patients with bimaxillary protrusion requiring correction of bidental proclination constituted the sample. The study group consisted of 22 patients (male 11, female 11) willing to undergo surgery to reduce the duration of their orthodontic treatment and 18 patients (male 9, female 9) desirous of undergoing conventional orthodontic treatment without surgical intervention constituted the control group...
November 2014: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/25672080/paoo-for-faster-function-aesthetics-and-harmony
#17
Aghanashini Suchetha, Puzhankara Lakshmi, Keshava Prasad, Garg Akanksha, Apoorva Sm, Mundinamane Darshan
Periodontally accelerated osteogenic orthodontics (PAOO) is a clinical procedure that combines selective alveolar corticotomy, particulate bone grafting and the application of orthodontic forces. PAOO can play an important role in the comprehensive treatment of a patient's occlusal and esthetic needs. This technique has been shown to increase alveolar bone thickness, decrease treatment time and enhance post-treatment orthodontic stability. Contained in this review is a discussion of the different aspects of PAOO and an assessment of its role in comprehensive treatment planning for the orthodontic patient...
August 2014: New York State Dental Journal
https://www.readbyqxmd.com/read/25654963/corticotomy-facilitated-orthodontics-using-piezosurgery-versus-rotary-instruments-an-experimental-study
#18
COMPARATIVE STUDY
Karim A Farid, Yehya A Mostafa, Mohammed A Kaddah, Fouad Aly El-Sharaby
OBJECTIVE: The aim of this study was to evaluate corticotomy-facilitated orthodontics (CFO) using piezosurgery versus conventional rotary instruments. MATERIALS AND METHODS: Ten healthy adult male mongrel dogs of comparable age with a complete set of permanent dentition with average weights between 13-17 kilograms were used. CFO using conventional rotary instruments versus piezosurgery was performed on each dog in a split mouth design. For every dog, mandibular 2nd premolar retraction on each side was attempted after extracting 3rd premolars followed by corticotomy-facilitated orthodontics using conventional rotary surgical burs on the left side and an ultrasonic piezosurgery system on the right side of the same animal...
October 2014: Journal of the International Academy of Periodontology
https://www.readbyqxmd.com/read/25543591/-effect-of-tgf-%C3%AE-1-expression-on-periodontal-tissue-reconstruction-for-rapid-teeth-movement-through-reducing-resistance-and-distraction
#19
Ning Li, Le-le Yang, Zao-xia Peng, Pei Li, Mei-jing Li, Xi Chen, Ran Xu
PURPOSE: To investigate the role of transforming growth factor-β1 (TGF-β1) in periodontal tissue reconstruction during rapid teeth movement through reducing resistance and distraction. METHODS: Twenty Beagle dogs were randomly divided into five groups according to time points: distraction for 5 days, 10 days, 15 days, retaining 10 days after distraction for 15 days, and retaining 90 days after distraction for 15 days. The mandibular first premolar was moved by using reducing resistance and distraction (experimental group) or conventional distraction (control group) randomly...
October 2014: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/25522945/are-interventions-for-accelerating-orthodontic-tooth-movement-effective
#20
COMMENT
Mohamed-Nur Abdallah, Carlos Flores-Mir
DATA SOURCES: Pubmed, Embase, Sciences Citation Index, Cochrane Central Register of Controlled Trials (CENTRAL) and grey literature database of SIGLE were searched from January 1, 1990 to August 20, 2011 with no language restrictions. STUDY SELECTION: Randomised controlled trials (RCTs) or quasi-RCTs in which the participants were healthy and received additional interventions to conventional orthodontic treatment for accelerating tooth movements were included. Subjects with defects in oral and maxillofacial regions (ie, cleft lip/palate), dental pathologies and medical conditions were excluded...
December 2014: Evidence-based Dentistry
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