Comparison of mandibular arch changes during alignment and leveling with 2 preadjusted edgewise appliances

Fleming, Padhraig S.; DiBiase, Andrew T.; Sarri, Grammati; Lee, Robert T.

doi:10.1016/j.ajodo.2007.08.030

Cited by 72 publications

(70 citation statements)

References 21 publications

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“…Studies have consistently shown that advancement of the mandibular incisors, along with expansion of the buccal segments, occurs when crowding is alleviated during nonextraction treatment when no other appliances (eg, headgear, distalizers, lip bumpers) are used. 8,10,11 In fact, Pandis et al 8 observed a 7-to 8-degree proclination of mandibular incisors associated with crowding alleviation when Damon 2 brackets were used; their results were very similar to those obtained in the current study. The notion that incisor advancement and proclination will be significantly less using the Damon system could not be supported by this study.…”

Section: Discussionsupporting

confidence: 81%

“…In cases of Class I malocclusion with anterior crowding and treated nonextraction using conventionally ligated brackets, mandibular incisors are typically advanced and proclined. 10,11 When the Damon 2 bracket system was compared with a conventional edgewise counterpart, both groups experienced an increase in mandibular incisor proclination and mandibular transverse dimension. In fact, the only significant difference noted between groups was an increase in mandibular intermolar width in the sample treated with self-ligating brackets.…”

Section: Introductionmentioning

confidence: 99%

“…In fact, the only significant difference noted between groups was an increase in mandibular intermolar width in the sample treated with self-ligating brackets. 11 Crowding was resolved by a combination of transverse expansion and incisor proclination, regardless of the bracket type used.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of incisor position and dental transverse dimensional changes using the Damon system

Vajaria¹,

BeGole²,

Kusnoto³

et al. 2011

The Angle Orthodontist

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Objectives: To test the hypotheses that the Damon system will maintain intercanine, interpremolar, and intermolar widths. To test subsequent hypotheses that the Damon system will not produce a significant difference in maxillary and mandibular incisor position/angulation when compared with control groups treated with conventional fixed orthodontic appliances for similar malocclusion. Materials and Methods: Subjects treated with the Damon system (N 5 27) were compared with subjects treated with a conventionally ligated edgewise bracket system (N 5 16). Subjects' pretreatment and posttreatment lateral cephalometric radiographs and dental models were scanned, measured, and compared to see whether significant differences exist between time points and between the two groups. Results: Results did not support the claimed lip bumper effect of the Damon system and showed similar patterns of crowding alleviation, including transverse expansion and incisor advancement, in both groups, regardless of the bracket system used. Conclusions: Maxillary and mandibular intercanine, interpremolar, and intermolar widths increased significantly after treatment with the Damon system. The mandibular incisors were significantly advanced and proclined after treatment with the Damon system, contradicting the lip bumper theory of Damon. Posttreatment incisor inclinations did not differ significantly between the Damon group and the control group. Patients treated with the Damon system completed treatment on average 2 months faster than patients treated with a conventionally ligated standard edgewise bracket system. (Angle Orthod. 2011;81:647-652.)

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Section: Discussionsupporting

confidence: 81%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Evaluation of incisor position and dental transverse dimensional changes using the Damon system

Vajaria¹,

BeGole²,

Kusnoto³

et al. 2011

The Angle Orthodontist

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“…Previous studies showed transverse expansion and incisor proclination, and more expansion in the inter molar region (11,18).…”

Section: Discussionmentioning

confidence: 99%

A Retrospective Study to Evaluate the Intra-Arch Dimensional Changes in Moderate Crowding Cases Treated Non Extraction with a Passive Self-Ligation Appliance.

Bharadwaj¹,

Singh²,

Kannan

et al. 2017

Iran J Ortho

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Background: Non-extraction treatment protocols are better accepted by patients as well as clinicians. Among the techniques and mechanics with the potential to facilitate non-extraction treatment includes headgears, fixed sagittal correctors, transverse expansion screws and self-ligating systems. Objectives: To evaluate the intra-arch dimensional changes in moderate crowding cases, treated non-extraction with a passive selfligating (Damon 3MX) appliance using digitized models and lateral cephalograms. Methods: A total of 20 patients (age group of 15 -18 years) who had undergone non extraction orthodontic treatment with the Damon 3MX appliance were selected. All the pre-treatment and post-treatment dental stone models of maxillary and mandibular arches were scanned using 3D digital scanner (Maestro 3D, Greatlakes, USA) and were converted into digital models. Various parameters undertaken were measured digitally on the computer in millimetres. Cephalometric tracings of pre and post treatment cephalograms were performed using digital cephalometrics (Nemo Ceph, version 6.0, Spain). Statistical analysis was performed using t-test. Results: More transverse expansion was observed in the region of 1 st and 2 nd premolars as compared to the inter-canine and inter

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“…This tipping movement implies that crowns in teeth of posterior sectors show a higher buccal inclination that at the beginning of the treatment. Authors such as Fleming et al [18] observed that a higher increase in transversal expansion (0.91 mm more) occurred in cases with initial narrower arches [18]. This change in crown buccolingual inclinations of posterior teeth is a considering point when posterior neutral torques have to be achieved.…”

Section: Problem Statementmentioning

confidence: 99%

Study of the Relationship of Smile Esthetics Between Torque and Dental Arch Width of Posterior Teeth in Orthodontics

Carolin¹,

Zamora²,

Paredes³

et al. 2015

Issues in Contemporary Orthodontics

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Comparison of mandibular arch changes during alignment and leveling with 2 preadjusted edgewise appliances

Cited by 72 publications

References 21 publications

Evaluation of incisor position and dental transverse dimensional changes using the Damon system

Evaluation of incisor position and dental transverse dimensional changes using the Damon system

A Retrospective Study to Evaluate the Intra-Arch Dimensional Changes in Moderate Crowding Cases Treated Non Extraction with a Passive Self-Ligation Appliance.

Study of the Relationship of Smile Esthetics Between Torque and Dental Arch Width of Posterior Teeth in Orthodontics

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