Skeletally-anchored forsus fatigue resistant device for correction of Class II malocclusions -a systematic review and meta-analysis
Abstract
BACKGROUND
The use of skeletal anchorage with fixed functional appliances (FFA) has been proposed by various authors to produce skeletal changes and reduce lower incisor proclination OBJECTIVE: To compare the skeletal and dentoalveolar effects of Forsus Fatigue Resistant Device (FFRD) with or without skeletal anchorage (miniplates and mini-implants) SEARCH METHODS: The electronic database PUBMED, Cochrane Library, Medline, Embase, Google Scholar along with a manual search of orthodontic journals till the year 2019 SELECTION CRITERIA: Only randomized control trials (RCTs) were included in the systematic review. One controlled clinical trial (CCT) which involved FFRD was included in the review since it was a continuation of an RCT which was expanded to a CCT DATA COLLECTION AND ANALYSIS: Skeletal and dentoalveolar outcome data were extracted to collect study characteristics. After evaluating risk of bias, the standardized mean differences (SMDs) and 95% confidence intervals (CIs) were calculated RESULTS: Three RCTs and one prospective CCT were evaluated. The analysis included data from 116 Class II subjects [(58) treated with FFA along with skeletal anchorage and (58) treated with FFA]. There was no significant difference between the two groups with respect to mandibular length changes (P value=0.10) and SNB angle changes (P value=0.22). With respect to lower incisor inclination however, there was a significant difference between the two groups (P value=0.005) signifying…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 116 participants or records.
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