Evaluation of Invisalign treatment effectiveness and efficiency compared with conventional fixed appliances using the Peer Assessment Rating index

Gu, Jiafeng; Tang, Jack Shengyu; Skulski, Brennan; Fields, Henry W.; Beck, F. Michael; Firestone, Allen R.; D, Kim; Deguchi, Toru

doi:10.1016/j.ajodo.2016.06.041

Cited by 121 publications

(89 citation statements)

References 23 publications

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“…However, though the velocity of tooth movement by CAT (commonly 0.2 mm every 10‐14 days) could be slower than by FAT (generally 1 mm per month), it might cause less ERR. Moreover, studies have shown that treatment duration of CAT was comparable to that of FAT or even shorter …”

Section: Discussionmentioning

confidence: 99%

Root resorption in orthodontic treatment with clear aligners: A systematic review and meta‐analysis

Fang

Rui

Liu

2019

Orthod Craniofacial Res

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The aim of this study was to investigate the external root resorption in participants receiving clear aligners and compare it with those treated with fixed appliances. Systematic review with meta‐analysis. Electronic and manual search were performed, and specific inclusion and exclusion criteria were used. Data extraction and analysis were conducted by two investigators independently. The original outcome underwent statistical pooling by Review Manager 5. The quality of studies was assessed by ROBINS‐I tool. A total of 11 studies were included for qualitative analysis (six in moderate risk of bias while another five in serious risk of bias), and three of them were statistically pooled in meta‐analysis. The external root resorption in treatment with clear aligners was significantly lower than that with fixed appliances (SMD = −0.65, 95% CI [−0.74, −0.55], P < .01). Subgroup analysis on each quadrant of incisors was consistent with the former result. Current evidences suggest that clear aligners might not avoid root resorption, but the incidence and severity of resorption could both be lower compared with results reported by treatment with fixed appliances.

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Section: Discussionmentioning

confidence: 99%

Root resorption in orthodontic treatment with clear aligners: A systematic review and meta‐analysis

Fang

Rui

Liu

2019

Orthod Craniofacial Res

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“…This method of treatment for simple cases is equally effective as conventional fixed appliances. Conventional fixed appliances have been more effective in malocclusion treating, but treating with clear aligners is 30 % faster 24 and they are barely visible.…”

Section: Discussionmentioning

confidence: 99%

Additive manufacturing in orthodontics

Fekonja¹,

Rošer²,

Drstvenšek³

2019

Mater. Tehnol.

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In recent years, digitalization and Additive Manufacturing (AM) have opened new perspectives in the field of personalized complex medical and dental prostheses production and could be very useful also in orthodontics. Additively manufactured clear aligners for treating orthodontic malocclusions have been tested and evaluated. The treatment began with a three-dimensional scan of the patient's study cast and occlusion, followed by a treatment simulation using the software for the orthodontic planning and design of teeth models in a normal occlusion. The aligners were made from a thermoplastic polyurethane (TPU) foil by thermoforming it over the model made by laser sintering. The process has been tested and evaluated. Apart from the relatively well-known clear aligner treatment, a new appliance for the treatment of Class II malocclusions in growing patients has been developed. The fixed sagittal guidance (FSG) appliance is individually designed to fit on the upper molars. It consists of a crown and occlusal inclined plane. The crown has been designed using 3D dental design software and produced by selective laser melting (SLM) technology. After finishing the FSG is bonded on both upper molars. During closing of the jaw, the appliance provides guidance anteriorly and inferiorly to correct the sagittal and vertical deficiency in growing patients and produces favorable and measurable dentofacial and skeletal changes. These two different types of appliances represent the first use of additive manufacturing for orthodontic praxis in Slovenia. The results show the great potential and future perspectives of additive manufacturing in orthodontic treatment. Keywords: additive manufacturing (AM), three-dimensional (3D), orthodontic appliance, malocclusion V zadnjih letih sta digitalizacija in dodajalna tehnologija odprli nove mo`nosti na podro~ju izdelave individualnih kompleksnih medicinskih in dentalnih pripomo~kov. Dodajalna tehnologija je lahko zelo koristna tudi v ortodontiji zaradi kompleksne oblike zob in prilagojene proizvodnje aparatov. Za zdravljenje ortodontske malokluzije smo testirali prozorni zobni aparat, izdelan s postopkom dodajalnih tehnologij. Zdravljenje se je za~elo s tridimenzionalnim skenom odlitka zob v okluziji. Sledila je simulacija zdravljenja z uporabo programske opreme za ortodontsko na~rtovanje in izvoz STL modelov zob v normalni okluziji. Prozorni ortodontski aparati so bili izdelani iz termoplasti~ne poliuretanske folije (TPU) s termoformiranjem preko modelov, izdelanih z laserskim sintranjem. Poleg relativno dobro znanega zdravljenja s prozornimi ortodontskimi aparati smo razvili novo vodilo za zdravljenje malokluzije razreda II pri odra{~ajo~ih pacientih. Fiksni aparat za sagitalno vodenje je individualno zasnovan tako, da se popolnoma prilega zgornjima zadnjima ko~nikoma. Sestavljen je iz krone (kobalt-kromove zlitine) in okluzalno nagnjene ravnine, izdelane iz materiala SR Chromasit. Krona je bila zasnovana s 3D programsko opremo za zobne aplikacije in izdelana s tehnologijo selektivnega la...

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“…77 Chung et al came to a similar conclusion after observing 11 patients for 3 months. 79 To sum up, due to the differences in the protocols of the experiments conducted, further research is needed, focusing, among other things, on harmonizing the radiation dose.…”

Section: Photobiomodulationmentioning

confidence: 99%

“…Conclusions can be drawn based only on the differences in therapy duration and cases assessed using various indices, such as the peer assessment rating (PAR) or the objective grading system (OGS). 79,80 Gu et al found the Invisalign system (Align Technology Inc., San Jose, USA) to be advantageous in correcting minor orthodontic defects; the duration of treatment with the same effects was 30% (5.7 months) shorter compared to fixed braces. 79 Buschang et al reached similar conclusions: in a study of 150 patients with incisor crowding under 5 mm (the study group), they noted that the duration of therapy was reduced by 5.5 months.…”

Section: Clear Aligners and Self-ligating Bracketsmentioning

confidence: 99%

“…79,80 Gu et al found the Invisalign system (Align Technology Inc., San Jose, USA) to be advantageous in correcting minor orthodontic defects; the duration of treatment with the same effects was 30% (5.7 months) shorter compared to fixed braces. 79 Buschang et al reached similar conclusions: in a study of 150 patients with incisor crowding under 5 mm (the study group), they noted that the duration of therapy was reduced by 5.5 months. 81 However, despite shorter treatment and less frequent visits, they point out that aligner therapy is much more expensive and requires more experience.…”

Section: Clear Aligners and Self-ligating Bracketsmentioning

confidence: 99%

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Methods of accelerating orthodontic tooth movement: A review of contemporary literature

Kacprzak¹,

Strzecki²

2018

Dent. Med. Probl.

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Technological progress and the introduction of modern therapeutic methods are constantly changing contemporary orthodontics. More and more orthodontic patients are working adults, who expect satisfactory therapeutic effects as soon as possible, increasing the importance of methods accelerating tooth movement. The aim of this study was to review the current literature regarding methods of accelerating tooth movement and reducing the duration of the active phase of therapy. The literature was collected from the PubMed and EBSCO databases using "accelerated orthodontic tooth movement" as the search key words. The methods described were categorized as conservative and surgical. The pharmacological agents used in conservative treatment, such as growth hormone, parathyroid hormone, thyroxine, and vitamin D, are especially worth mentioning. They stimulate osteoclasts to increase resorption through a variety of mechanisms. Effective methods also include physical stimuli, e.g., vibrations or photobiomodulation. Most studies describing the effects of pharmacological agents were based on animal subjects and they may therefore lack clinical relevancy. Corticotomy and its modifications based on the regional acceleratory phenomenon (RAP) might prove to be a useful augmentation of orthodontic treatment, especially in adults, including patients with periodontal disease.

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Evaluation of Invisalign treatment effectiveness and efficiency compared with conventional fixed appliances using the Peer Assessment Rating index

Cited by 121 publications

References 23 publications

Root resorption in orthodontic treatment with clear aligners: A systematic review and meta‐analysis

Root resorption in orthodontic treatment with clear aligners: A systematic review and meta‐analysis

Additive manufacturing in orthodontics

Methods of accelerating orthodontic tooth movement: A review of contemporary literature

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