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Comparison between rapid and mixed maxillary expansion through an assessment of arch changes on dental casts

Overview of attention for article published in Progress in Orthodontics, June 2015
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Title
Comparison between rapid and mixed maxillary expansion through an assessment of arch changes on dental casts
Published in
Progress in Orthodontics, June 2015
DOI 10.1186/s40510-015-0089-6
Pubmed ID
Authors

Vincenzo Grassia, Fabrizia d’Apuzzo, Abdolreza Jamilian, Felice Femiano, Lorenzo Favero, Letizia Perillo

Abstract

Aim of this retrospective observational study was to compare upper and lower dental changes in patients treated with Rapid Maxillary Expansion (RME) and Mixed Maxillary Expansion (MME), assessed by dental cast analysis. Treatment groups consisted of 42 patients: the RME group (n = 21) consisted of 13 female and 8 male subjects with the mean age of 8.8 years ± 1.37 at T0 and 9.6 years ± 1.45 at T1; the MME group (n = 21) consisted of 12 female and 9 male patients with a mean age of 8.9 years ± 2.34 at T0 and 10.5 years ± 2.08 at T1. The upper and lower arch analysis was performed on four dental bilateral landmarks, on upper and lower casts; also upper and lower arch depths were measured. The groups were compared using independent sample t-test to estimate dental changes in upper and lower arches. Before expansion treatment (T0), the groups were similar for all examined variables (p>0.05). In both RME and MME group, significant increments in all the variables for maxillary and mandibular arch widths were observed after treatment. No significant differences in maxillary and mandibular arch depths were observed at the end of treatment in both groups. An evaluation of the changes after RME and MME (T1) showed statistically significant differences in mandibular arch depth (p<0.001) and maxillary intercanine widths (p<0.05). Differences in maxillary arch depth and arch width measurements were not significant. RME and MME can be considered two effective treatment options to improve transverse arch dimensions and gain space in the dental arches. A greater lower arch expansion was observed in the MME group, which might be attributed to the "lip bumper effects" observed in the MME protocol.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 59 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 59 100%

Demographic breakdown

Readers by professional status Count As %
Student > Postgraduate 8 14%
Student > Ph. D. Student 8 14%
Student > Bachelor 7 12%
Student > Master 7 12%
Student > Doctoral Student 6 10%
Other 7 12%
Unknown 16 27%
Readers by discipline Count As %
Medicine and Dentistry 34 58%
Environmental Science 1 2%
Arts and Humanities 1 2%
Neuroscience 1 2%
Materials Science 1 2%
Other 0 0%
Unknown 21 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 30 June 2015.
All research outputs
#16,721,717
of 25,374,647 outputs
Outputs from Progress in Orthodontics
#111
of 255 outputs
Outputs of similar age
#156,000
of 277,742 outputs
Outputs of similar age from Progress in Orthodontics
#4
of 8 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 255 research outputs from this source. They receive a mean Attention Score of 3.0. This one is in the 49th percentile – i.e., 49% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 277,742 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 8 others from the same source and published within six weeks on either side of this one. This one has scored higher than 4 of them.