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Accelerated Orthodontics

Wu Di Jing, Li Xu, Xiao Xu, Jian Xia Hou, Xiao Tong Li
OBJECTIVE: To evaluate the prevalence of periodontal biotypes in patients with skeletal Class III malocclusion and to explore its association with age, gender, other periodontal clinical parameters and width of keratinized gingiva (WKG). METHODS: Data were collected for the buccal-middle site of 310 anterior teeth from 26 subjects who received periodontally accelerated osteogenic orthodontics (PAOO) surgery before orthodontic treatment. Univariate and multivariate analysis were performed to calculate and test the correlations between periodontal biotype and age, gender and bleeding index (BI), gingival recession (GR), plaque index (PLI), probing depth (PD) and WKG...
2019: Chinese Journal of Dental Research
Anshuka A Agrawal, Abhay P Kolte, Rajashri A Kolte, Varsha Vaswani, Usha Shenoy, Prachi Rathi
Purpose: Procedures such as Periodontally Accelerated Osteogenic Orthodontics (PAOO) support the use of osteotomy to aid tooth movement and rapid distraction of the periodontal ligament by utilizing tissue engineering principles with periodontal regenerative surgery. The aim of this study was to evaluate and compare the amount of tooth movement and the associated changes in buccal bone morphology between corticotomy and flapless Micro-Osteoperforation (MOP) assisted orthodontic treatment...
January 2019: Saudi Dental Journal
Karan Sharma, Puneet Batra, Saurabh Sonar, Amit Srivastava, Sreevatsan Raghavan
Adult orthodontics has gained widespread acceptance recently with the introduction of more esthetic options for the patient. The major deterrent that remains is the prolonged treatment time associated with comprehensive orthodontic treatment. The objective of this paper is to present a review of techniques, which could be employed by the orthodontist in conjunction with a periodontist to enhance the rate of orthodontic tooth movement. The biological rationale and clinical manipulation have been discussed with a brief review of the current literature about these techniques...
January 2019: Journal of Indian Society of Periodontology
Yi-Han Li, Fei-Fei Zhang, Shi-Jie Bao, Bin Wei, Yao Gong
PURPOSE: To explore periodontal responses on the compression side during early tooth movement into alveolar defect regenerated by bone marrow mesenchymal stem cells (BMSCs) and porous granulated beta-tricalcium phosphate(β-TCP) scaffolds. METHODS: Thirty New Zealand rabbits were used to establish bilateral mandibular defective alveolar bone model by extracting the mandibular first molars and expanding the sockets. The right mandibular alveolar defects were filled with a construct of β-TCP scaffolds combined with BMSCs as experimental group...
October 2018: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
Sung-Jin Kim, Young Don Ha, Eunji Kim, Woowon Jang, Soonshin Hwang, Tung Nguyen, Ching-Chang Ko, Yoon Jeong Choi, Kyung-Ho Kim, Chooryung J Chung
OBJECTIVE: The aim of this study was to investigate the dynamics of alveolar bone formation and healing pattern after the removal of orthodontic temporary anchorage devices (TADs). METHODS: Miniscrews (N = 32) were inserted into the buccal inter-radicular alveolar bone in beagle dogs. Afterward, miniscrews were removed at different time points during a 13-week period and six different in vivo fluorescent markers were injected at 1, 2, 6, 8, 10, and 12 weeks. Serial changes in bone apposition at the removal and intact control sites were evaluated using μCT, histology, and bone histomorphometry...
January 24, 2019: Journal of Periodontal Research
Jose Luis Munoz Pedraza, Mariana Marquezan, Lincoln Issamu Nojima, Matilde da Cunha Gonçalves Nojima
OBJECTIVE: The aim of this study was to evaluate a flapless surgical technique as an alternative to traditional alveolar corticotomy used to accelerate orthodontic tooth movement (OTM). METHODS: To induce OTM in Wistar rats, 40 cN of orthodontic force were applied to the maxillary left first molars. Forty rats were distributed into control groups (CG1, CG3, CG7 and CG14) and experimental groups (n= 5), in which alveolar perforations were made using a spear-shaped guide bur (EG1, EG3, EG7, EG14)...
November 2018: Dental Press Journal of Orthodontics
Carole Charavet, Geoffrey Lecloux, Nastasia Jackers, Adelin Albert, France Lambert
Objective: The aim of this study was to investigate the effects of piezocision (surgical protocol with sutures) in orthodontic treatment using CAD/CAM (computer-aided design and computer-aided manufacturing) customized orthodontic appliances. Design: The study is designed as a parallel group, randomized controlled trial (RCT). Setting: University Hospital. Ethical approval: The study was approved by the ethic committee of the University Hospital Liege, Belgium...
January 16, 2019: European Journal of Orthodontics
Wenxin Lu, Xuan Zhang, Fiona Firth, Li Mei, Jianru Yi, Changyang Gong, Hanshi Li, Wei Zheng, Yu Li
OBJECTIVE: It was aimed to investigate the in vivo effects of local injection of sclerostin protein on orthodontic tooth movement. DESIGN: A total of 48 rats underwent orthodontic mesialization of the maxillary first molars on both sides. Local injection was given at the compression side in the alveolar bone on both maxillary sides, with sclerostin protein carried by hydrogel on one side, and the same volume of normal saline carried by hydrogel on the other side serving as the control...
December 26, 2018: Archives of Oral Biology
Danqing Huang, Qing Wu, Xiaokang Zhou, Feiwu Kang
INTRODUCTION: Orthognathic surgery accelerates orthodontic tooth movement, and tooth movement accelerates with demineralized bone and accelerated bone remodeling. The purpose of this study was to ascertain whether orthognathic surgery induces accelerated bone remodeling. The research design included a human model and an animal model. METHODS: The levels of serum tartrate resistant acid phosphatase-5b (TRAP) and bone alkaline phosphatase (BALP) were measured in 15 patients after sagittal split ramus osteotomy...
January 2019: American Journal of Orthodontics and Dentofacial Orthopedics
Tadasu Sugimori, Masaru Yamaguchi, Mami Shimizu, Jun Kikuta, Takuji Hikida, Momoko Hikida, Yoshiki Murakami, Masaaki Suemitsu, Kayo Kuyama, Kazutaka Kasai
INTRODUCTION: The aim of this study was to investigate the mechanism of how micro-osteoperforations (MOPs) accelerate tooth movement. We focused on inflammation, cell proliferation, and apoptosis of periodontal ligament cells and performed immunostaining of MOPs exposed to tumor necrosis factor-alpha (TNF-α), proliferating cell nuclear antigen (PCNA), and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) during experimental tooth movement. METHODS: Eleven-week-old male Wistar rats were divided into 2 groups: (1) 10 g of orthodontic force applied to the maxillary first molar (TM) and (2) force application plus 3 small perforations of the cortical plate (TM + MOPs)...
December 2018: American Journal of Orthodontics and Dentofacial Orthopedics
A Carlier, E Van de Casteele, R Van Erum, N Nadjmi
Patients with root resorption and malocclusion can benefit from orthodontic treatment with or without surgery. However, orthodontics has a risk of inducing or aggravating root resorption, therefore the duration of the treatment is of utmost importance. In this paper, a surgery-first protocol with lower jaw advancement and precise interdental alveolar osteotomies was conducted to accelerate the treatment of a 14-year-old female patient who presented with a Class II division 2 malocclusion, anterior dental crowding and idiopathic root resorption...
November 16, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
Bancha Samruajbenjakun, Kaviya Kanokpongsak, Chidchanok Leethanakul
Objective: This study was performed to investigate the rate of tooth movement and histological characteristics of extraction sockets those were subjected to corticotomy. Methods: A split-mouth randomized controlled trial experiment was designed. Thirty-two adult, male Wistar rats were divided into 2 groups: healing extraction socket (H) and recent extraction socket (R); these groups were randomly classified into 4 subgroups (0/7/21/60 days). The first maxillary molar was extracted on 1 side and 2 months were allowed for complete bone healing; then, the corresponding molar was extracted on the other side and surgical intervention was performed at the mid-alveolar point of the first maxillary molar...
November 2018: Korean Journal of Orthodontics
Muath Bani-Hani, M Amin Karami
In this paper, we propose a device that can induce vibration to potentially accelerate the rate of orthodontic tooth movement and thus reduce the duration of the orthodontic treatment. This is accomplished by harmonically exciting a polyvinylidene fluoride (PVDF) piezoelectric actuators to generate vibration and hence generate cyclic loading at 30 Hz. PVDF is a popular piezoelectric polymer because of its high flexibility, biocompatibility, and low cost. Generally, application of cyclic loading (vibration) reverses bone loss, stimulates bone mass, induces cranial growth, and accelerates tooth movement...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Yan Wang, Hanwen Zhang, Wen Sun, Siyu Wang, Shuting Zhang, Linlin Zhu, Yali Chen, Lizhe Xie, Zongyang Sun, Bin Yan
Clinical evidence has suggested that surgical corticotomy of the alveolar bone can accelerate local orthodontic tooth movement (OTM), but the underlying cell and molecular mechanisms remain largely unclear. The present study examined the role of macrophages played in corticotomy-assisted OTM. Orthodontic nickel-titanium springs were applied to the left maxillary first molars of rats or mice to induce OTM with or without corticotomy. Corticotomy enhanced OTM distance by accelerating movement through induction of local osteoclastogenesis and macrophage infiltration during OTM...
November 14, 2018: Scientific Reports
Luca Lombardo, Angela Arreghini, Luis T Huanca Ghislanzoni, Giuseppe Siciliani
Background: Low-frequency vibrations have been proposed as a means of accelerating tooth movement and reducing orthodontic treatment times. Objective: To determine any differences in the accuracy of dental movement in patients treated with a low-frequency vibration aligner protocol and/or by reducing the aligner replacement interval with respect to a conventional protocol. Design: This trial was designed as a single-centre, randomized controlled clinical trial...
November 13, 2018: European Journal of Orthodontics
Stefan Judex, Suphannee Pongkitwitoon
Modalities that increase the rate of tooth movement have received considerable attention, but direct comparisons between devices are rare. Here, we contrasted 2 mechanical vibratory devices designed to directly transfer vibrations into alveolar bone as a means to influence bone remodeling. To this end, 3 cells types intimately involved in modulating tooth movements-osteoblasts, periodontal ligament fibroblasts, and osteoclasts-were subjected to in vitro vibrations at bout durations prescribed by the manufacturers...
July 2018: Dose-response: a Publication of International Hormesis Society
Carole Charavet, Geoffrey Lecloux, Annick Bruwier, Bart Vandenberghe, Michel Le Gall, France Lambert
BACKGROUND: Piezocision is a localised piezoelectric alveolar decortication involving minimally invasive corticotomies to accelerate orthodontic treatments. The objective of this proof-of-concept was to describe an innovative protocol combining selective piezocision with minimally invasive bone regeneration to reduce the risk of buccal tissue dehiscences often observed in orthodontic treatments. This proof-of-concept initial report aimed at investigating whether this new surgical concept is relevant...
December 2018: International Orthodontics
Mustafa Cihan Yavuz, Oguzhan Sunar, Suleyman Kutalmış Buyuk, Alpdogan Kantarcı
BACKGROUND: Discision method may provide an alternative to the piezocision approach in accelerated orthodontic treatment. The purpose of this study was to investigate the efficacy of discision on accelerated orthodontic tooth movement in comparison to the piezocision method in moderate crowding Angle Class I malocclusions. METHODS: Thirty-five female individuals were included in this clinical study. The participants were classified into three groups as conventional fixed non-extraction orthodontic treatment only (OT, n = 14), piezocision in addition to fixed non-extraction orthodontic treatment (PG, n = 9), and discision in addition to fixed non-extraction orthodontic treatment (DG, n = 12)...
October 29, 2018: Progress in Orthodontics
Tugba Haliloglu-Ozkan, Nursel Arici, Selim Arici
Background: This study aimed to investigate the effects of a minimally invasive, flapless procedure to enhance tooth movement in both jaws and to determine whether this triggers the acceleration when repeated monthly. Material and Methods: The sample consisted of thirty-two individuals whose orthodontic treatment required canine retraction. They were divided into an experimental group and control group. Osteopunctures were performed using orthodontic mini-screws at the distal aspects of the canine teeth at the beginning and on the fourth week of distalization in the experimental group...
August 2018: Journal of Clinical and Experimental Dentistry
Sonal Attri, Rashmi Mittal, Puneet Batra, Saurabh Sonar, Karan Sharma, Sreevatsan Raghavan, Kriti Sharma Rai
OBJECTIVES: To investigate the influence of micro-osteoperforation (MOP) on rate of orthodontic tooth movement and pain perception with fixed appliances. DESIGN: 2 arm parallel randomized controlled trial with an allocation ratio of 1:1. SETTING: The outpatient department of a dental college. PARTICIPANTS: 105 patients were screened, out of which 60 met the inclusion criteria and consented to participate; consisting of 33 females and 27 males requiring en-masse retraction following first premolar extractions...
October 3, 2018: Journal of Orthodontics
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