This review of the the treatment duration required to achieve whole-arch alignment of the mandibular dentition using fixed appliances included 35 RCTs. The pooled duration for whole-arch alignment in the mandible was 263.0 days/8.8 months (95%CI: 6.2 to11.3 months). Mandibular incisor alignment was achieved in 100.7 days/3.4 months (95%CI: 2.8 to 3.9 months).
[read the full story...]
This review comparing the duration of fixed orthodontic treatment between adults and adolescents included 11 studies the majority of which were retrospective. Meta-analyses indicated no statisticall or clinical differences in duration although the quality of the available evidence was low to very low.
[read the full story...]
This review of the effects of fixed orthodontic retainers on periodontal health includes 29 manily observational studies. While the findings suggest that fixed rettainers are compatibile with periodontal health the quality of the included studies is very low so the findings should be interpreted cautiously.
[read the full story...]
This review looking at the optimal force magnitude for achieving orthodontic tooth movement included 12 studies suggesting there is weak to moderate evidence showing that forces ranging between 50 cN and 100 cN are optimal for the rate of orthodontic tooth movement.
[read the full story...]
This Cochrane review of the effects of initial arch wires for the alignment of teeth with fixed orthodontic appliances includes 12 RCTs and updates a previous review. The review finds moderate quality evidence shows that archwires of coaxial superelastic nickel-titanium (NiTi) can produce greater tooth movement over 12 weeks than arch wires made of single-strand superelastic NiTi.
[read the full story...]
3 small trials were identified for this Cochrane review of adhesives for fixed orthodontic brackets
[read the full story...]
25 studies include 20 RCTs and 5 controlled trials were included this review. They were all conducted in a hospital or university setting and found that treatment duration was on average 19.9 months (95% CI; 19.58 to 20.22 months) over 17.81visits ( 95%CI; 19.71 to 20.32 months)
[read the full story...]
Factors affecting relapse after treatment of class II malocclusion was investigated in this review. Only 17 retrospected studies met the review criteria providing limited evidence to support the influence of factors predictive of sagittal stability following orthodontic treatment.
[read the full story...]
This Cochrane review included 6 small studies at high risk of bias and found that orthodontic appliances or psychological intervention seems to be effective to help children stop sucking that does not have a feeding purpose.
[read the full story...]
We look at a small RCT that compares fixed and removable appliances for treating anterior crossbite in the mixed dentition.
[read the full story...]