加快正畸牙齒移動(dòng)的方法

1、加快正畸牙齒移動(dòng)的方法加快正畸牙齒移動(dòng)的方法 研究的三個(gè)方向：研究的三個(gè)方向：l藥物刺激l機(jī)械生理性刺激l手術(shù)加速藥物刺激藥物刺激l激素類藥物：前列腺素（pg）、甲狀旁腺素（pth）、腎上腺皮質(zhì)激素等l鈣調(diào)節(jié)劑：骨鈣素（oc）等l中藥類：丹參、燈盞花等機(jī)械生理性刺激機(jī)械生理性刺激l激光l磁場(chǎng)l超聲波：選擇了13 例對(duì)稱拔牙正畸病例，實(shí)驗(yàn)側(cè)局部給予超聲波，10 mind14 d。結(jié)果實(shí)驗(yàn)側(cè)尖牙移動(dòng)速度比對(duì)照側(cè)提高28.67%。l振動(dòng)手術(shù)加速手術(shù)加速l骨皮質(zhì)切開術(shù) corticotomyl牙周輔助加速成骨治療 periodontally accelerated osteogenic orthodo

2、ntics, paool牽張成骨 dentoalveolar distraction (dad)l手術(shù)優(yōu)先矯治 surgery first orthognathic approachl正畸力作用于牙齒，引起牙槽骨的改建，壓力側(cè)出現(xiàn)骨吸收，張力側(cè)出現(xiàn)骨沉積，從而產(chǎn)生牙齒移動(dòng)。理論上，凡能促進(jìn)骨組織改建的外源性因素均可加速正畸牙齒移動(dòng)。a novel device in orthodontics -acceledentwhat is acceledent aura?la simple-to-use, hands-free device designed for faster orthodontic

3、 treatment with only 20 minutes daily use. its fastlclinically proven to move teeth up to 50% faster in a us clinical trial. lacceledent is designed to work with all existing orthodontic appliances including fixed appliances and clear aligners.its safelcleared by the united states food and drug admi

4、nistration (fda) and available only by prescription from your orthodontist its gentlelacceledent patients have reported reduced discomfort with their orthodontics. acceledent aura components:activatorlthe heart of acceledent auralthe small, lightweight activator generates gentle micropulses to safel

5、y accelerate bone remodeling. lit includes a usb interface, whch can be plugged directly into a computer to view patient usage history via the fasttrac report. acceledent aura components:mouthpiecelthe mouthpiece provides a comfortable fit l snaps easily on and off the activator for transport and cl

6、eaning. acceledent aura components:usb extension cable with power adapterallows for easy, convenient charging acceledent aura components: travel case the travel case keeps the components safe, clean and secure. how acceledent aura works ?softpulse technology l part of the way that orthodontics works

7、 is by changing or remodeling the bones surrounding your teeth. as this remodeling process is accelerated, your teeth move more quickly. lsoftpulse technology is designed to speed up bone remodeling, accelerating tooth movement lthe device uses the application of cyclic forces to move teeth in bone

8、faster through accelerated bone remodeling. lthe applied force (0.2 newtons or 20 grams) is intended to be barely noticeable and should not be uncomfortable.lsome researchers have theorised that the pulsing may actually decrease pain associated with standard ortho-dontic adjustmentsscientific eviden

9、ce suture growth modulated by the oscillatory component of micromechanical strainscientific evidencescientific evidencescientific evidencescientific evidencescientific evidencescientific evidencescientific evidencescientific evidenceclinical evidencelacceledent increases the rate of orthodontic toot

10、h movement: results of a randomized controlled clinical trialclinical evidenceclinical evidenceclinical evidenceclinical evidencethe perimeter was defined by tracing the labiolingual centers of each tooth from canine to canine.clinical evidenceclinical evidenceclinical evidenceclinical evidenceclini

11、cal evidenceclinical evidencelthe results of the randomized controlled clinical trial demonstrate that acceledent can increase the rate of tooth movement when used in conjunction with conventional orthodontics. luse of acceledent did not increase the risk of either root resorptioncase report18 year

12、old maleclass iii combination ortho & surgical casecase reportcase report9 weekscase report5 days post orthognathic surgery(9 months into treatment & 2 months of delay with travels and parents away)case report6.5 weeks post surgery46 weeks total treatment timecorticotomy-assisted orthodontic

13、 treatment (caot) 發(fā)展過(guò)程發(fā)展過(guò)程l1893年bryan 提出骨皮質(zhì)切開加速牙齒移動(dòng)這一概念。l1959年kole等首先應(yīng)用了骨皮質(zhì)首先應(yīng)用了骨皮質(zhì)切開術(shù)結(jié)合根尖下截骨術(shù)，證實(shí)能夠有效加快正畸牙齒的移動(dòng)。l2001年wilcko等提出了牙周加速成骨正畸(periodontally accelerated osteogenic orthodontics, paoo ) 的新理念，主要通過(guò)切開正畸牙牙根周圍頰側(cè)骨皮質(zhì)至骨髓質(zhì)深度，并在切開骨表面放置可吸收人工骨材料以增加骨量。理論基礎(chǔ)理論基礎(chǔ)l骨塊移動(dòng)理論（bone block theory）：頜骨骨皮質(zhì)切開加速正畸牙齒移動(dòng)的理論

14、基礎(chǔ)早期在手術(shù)中于牙齒近遠(yuǎn)中頰舌側(cè)骨板進(jìn)行骨皮質(zhì)切開，保留骨松質(zhì)的連續(xù)性，通過(guò)根尖下截骨術(shù)連接骨皮質(zhì)切口以形成完整牙骨塊， 他認(rèn)為去除骨皮質(zhì)阻力后，牙齒與周圍骨塊形成整體在正畸力作用下加速移動(dòng)，即為骨塊移動(dòng)理論。理論基礎(chǔ)理論基礎(chǔ)l局部骨加速現(xiàn)象（regional acceleratory phenomenond rap ）被認(rèn)為是骨皮質(zhì)切開術(shù)加速牙齒移動(dòng)的根本原因，而不是骨塊移動(dòng)理論。理論基礎(chǔ)理論基礎(chǔ)l局部骨加速現(xiàn)象（regional acceleratory phenomenond rap ）為術(shù)后局部骨質(zhì)產(chǎn)生的暫時(shí)性脫礦與再礦化l表現(xiàn)為: 在骨組織創(chuàng)傷后術(shù)創(chuàng)附近的牙槽骨進(jìn)入短暫可逆的骨質(zhì)減

15、少狀態(tài)，骨吸收及溶骨現(xiàn)象隨即出現(xiàn); 在這一分解代謝的過(guò)程中骨密度雖然降低，但牙槽骨骨量并沒有減少; 正畸力施加使得牙根周圍骨基質(zhì)及骨膠原軟組織基質(zhì)隨之移動(dòng); 在隨后的再礦化過(guò)程中新骨沉積，類骨質(zhì)基質(zhì)再礦化，重新包繞牙根周圍。l骨皮質(zhì)切開術(shù)后一段時(shí)間可以加快正畸牙齒移動(dòng)的速度，而該過(guò)程是基于引發(fā)現(xiàn)象后牙槽骨吸收和重建過(guò)程（rap）.臨床應(yīng)用臨床應(yīng)用l解除擁擠l矯正上前牙唇傾，加速前牙內(nèi)收，改善前突面型l骨性 三類錯(cuò)合畸形下前牙舌傾的去代償l個(gè)別牙齒的錯(cuò)合畸形也有很好的療效，壓低伸長(zhǎng)磨，牽引埋伏牙，根骨黏粘牙齒l解除后牙反牙合 lower incisor retraction with a modified corticotomy angle orthodontist, vol 76, no 5, 2006lin the current case report, the total orthodontic treat-ment