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:: Volume 1, Issue 1 And 1 (1-2012) ::
3 2012, 1(1 And 1): 0-0 Back to browse issues page
Long-Term Stability of Lip Bumper Therapy Followed by Fixed Appliances
Michael Joseph Solomon , Jeryl D. English * , W. Bonham Magness , Chris John Mckee
School of Dentistry, University of Texas, Houston, Tex
Abstract:   (2743 Views)

 Lip bumper treatment has been shown to successfully increase arch width, procline the incisors, and distalize molars. However, few studies have been performed showing the long-term stability of lip bumper treatment. In this study, mandibular casts taken by a single practitioner from 51 patients treated with lip bumpers without rapid palatal expansion were analyzed at pretreatment, post-lip bumper treatment, posttreatment, and long-term out of treatment. Measurements of arch width, arch depth, arch length, and anterior crowding were made. During treatment, there was a mean decrease in irregularity of 3.73 mm, with a posttreatment increase of 0.76 mm, for a net decrease of 2.97 mm. Despite posttreatment decreases, significant gains in arch width were maintained for extended periods of time. The intercanine width had a net increase of 1.78 mm (19% relapse), first premolars 3.39 mm (26% relapse), second premolars 2.58 mm (34% relapse), and first molars 2.17 mm (20% relapse). Lip bumper treatment along with fixed appliances is an effective means to obtain long-term increases in arch width and decreases in the irregularity index.


  Source: Angle Orthodontists

  Full text

Keywords: Lip bumper, Retention, Stability, Arch width
     
Type of Study: Research | Subject: Orthodontics
Received: 2012/05/20 | Published: 2012/01/15
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Joseph Solomon M, D. English J, Magness W B, Mckee C J. Long-Term Stability of Lip Bumper Therapy Followed by Fixed Appliances. 3 2012; 1 (1 and 1)
URL: http://idai.ir/article-1-539-en.html


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Volume 1, Issue 1 And 1 (1-2012) Back to browse issues page
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