Efficacy of clear aligners in controlling orthodontic tooth movement: A systematic review

Rossini, Gabriele; Parrini, Simone; Castroflorio, Tommaso; Deregibus, Andrea; Debernardi, C

doi:10.2319/061614-436.1

Cited by 518 publications

(336 citation statements)

References 23 publications

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“…A previous review from Rossini et al [33] demonstrated that Invisalign® is effective for simple malocclusions treatment. Starting from this consideration, the present study investigated the incidence of RR in a sample of adult patients with class I malocclusions, showing a very limited incidence of significant severe RR.…”

Section: Discussionmentioning

confidence: 99%

Root resorption during orthodontic treatment with Invisalign®: a radiometric study

et al. 2017

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BackgroundRoot resorption (RR) is described as a permanent loss of tooth structure from the root apex. Many reports in the literature indicate that orthodontically treated patients are more likely to have severe apical root shortening, interesting mostly maxillary, followed by mandibular incisors. The aim of the study was to investigate the incidence and severity of RR in adult patients treated with aligners. The study group consisted of 71 class I adult healthy patients (mean age 32.8 ± 12.7) treated with aligners (Invisalign®, Align Technologies, Santa Clara, CA, USA). All incisors, canines, upper first premolars, and first molars were assessed. Root and crown lengths of 1083 teeth were measured in panoramic radiographs at the beginning (T0) and at the end (T1) of clear aligner therapy. Individual root-crown ratio (RCR) of each tooth and therefore the relative changes of RCR (rRCR) were determined. A decrease of rRCR was assessed as a reduction of the root length during treatment.ResultsAll patients had a minimum of one teeth affected with a reduction of root length, on average 6.38 ± 2.28 teeth per patient. Forty one, 81% of the 1083, measured teeth presented a reduction of the pre-treatment root length. A reduction in percentage of >0% up to 10% was found in 25.94% (n = 281), a distinct reduction of >10% up to 20% in 12.18% (n = 132) of the sample. 3.69% (n = 40) of the teeth were affected with a considerable reduction (>20%).ConclusionsOrthodontic treatment with Invisalign® aligners could lead to RR. However, its incidence resulted to be very similar to that described for orthodontic light forces, with an average percentage of RR < 10% of the original root length.

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Section: Discussionmentioning

confidence: 99%

Root resorption during orthodontic treatment with Invisalign®: a radiometric study

et al. 2017

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“…However, a recent systematic review concluded that there is insufficient evidence to determine the effectiveness of clear-aligner treatment and it is recommended for simple malocclusions 26. Thus, clear-aligner should be used in suitable cases to improve treatment effect and quality of life during treatment.…”

Section: Discussionmentioning

confidence: 99%

Impacts of fixed orthodontic appliance and clear-aligner on daily performance in adult patients with moderate need for treatment

Lin¹,

Yao²,

Bhikoo³

et al. 2016

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ObjectiveTo assess the impact of wearing fixed orthodontic appliance (FOA) or clear-aligner, on daily performance in adult patients.MethodsThe Oral Impacts on Daily Performance (OIDP) index was assessed in 152 adults aged 25–35 years at baseline (T0), 6 months after bonding (T1), and 12 months after bonding (T2). Participants were randomly divided into two groups: CA group (participants treated with clear-aligner) and a control group (FOA group; participants treated with FOA). Baseline malocclusion severity was assessed using the Index of Orthodontic Treatment Need.ResultsThere were no significant differences in sociodemographic variables and OIDP scores at baseline between the two groups. Significant changes in OIDP total and subscale scores were observed while wearing FOA: OIDP total score and subscale scores of eating, cleaning teeth, smiling, and social relation at T1 and T2 were significantly higher than at baseline (P<0.05 or P<0.01). However, only OIDP total score was significantly increased at T1 compared to the baseline in the CA group. OIDP total score and subscale scores of eating, cleaning teeth, smiling, and social relation were significantly higher in patients wearing FOA than in patients wearing clear-aligner at T1 and T2 (P<0.05 or P<0.01).ConclusionPatients wearing clear-aligner have fewer impacts on daily life than those wearing FOA during treatment, and have no significant changes in OIPD subscale scores at 12 months. FOA therapy significantly impacts daily performance in adult patients during treatment.

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“…From a biomechanical perspective, the dental movements occurred as planned, thanks to the fact that they were planned within the correct range of predictability [13] and the excellent properties of the material that the F22 aligners are made of [11]. …”

Section: Discussionmentioning

confidence: 99%

Class II subdivision correction with clear aligners using intermaxilary elastics

et al. 2018

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BackgroundTo describe an esthetic orthodontic treatment using aligners in an adult patient with class II subdivision associated with crowding and dental crossbite. An 18-year-old hyperdivergent male patient with skeletal class II from mandibular retrusion presented for an orthodontic treatment. Occlusally, the patient presents class II subdivision, crossbite at tooth 4.4, an upper midline deviated towards the left with respect to the lower and facial midlines, and slight crowding in both arches. The patient refused conventional fixed multibracket treatment in favor of aligners. Pre- and post-treatment records as well as 1-year follow-up records are presented.FindingsTreatment objectives were achieved in 12 months, and the patient was satisfied with the functional and esthetic outcomes, which were stable at 1 year.ConclusionCombining aligners with appropriate auxiliaries is an efficacious means of resolving orthodontic issues such as class II, dental crossbite, and crowding in a time-frame comparable to that of conventional fixed orthodontics. Furthermore, this system is associated with optimal oral hygiene and excellent esthetics.

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Efficacy of clear aligners in controlling orthodontic tooth movement: A systematic review

Cited by 518 publications

References 23 publications

Root resorption during orthodontic treatment with Invisalign®: a radiometric study

Root resorption during orthodontic treatment with Invisalign®: a radiometric study

Impacts of fixed orthodontic appliance and clear-aligner on daily performance in adult patients with moderate need for treatment

Class II subdivision correction with clear aligners using intermaxilary elastics

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