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Comparison of rate of tooth movement and pain perception during accelerated tooth movement associated with conventional fixed appliances with micro-osteoperforations - a randomised controlled trial.

Attri, Sonal; Mittal, Rashmi; Batra, Puneet; Sonar, Saurabh; Sharma, Karan; Raghavan, Sreevatsan; Rai, Kriti Sharma.
J Orthod; 45(4): 225-233, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-30281397


To investigate the influence of micro-osteoperforation (MOP) on rate of orthodontic tooth movement and pain perception with fixed appliances.


2 arm parallel randomized controlled trial with an allocation ratio of 11.


The outpatient department of a dental college.


105 patients were screened, out of which 60 met the inclusion criteria and consented to participate; consisting of 33 females and 27 males requiring en-masse retraction following first premolar extractions.


The experimental group consisted of patients bonded with a fixed appliance (Gemini 3M) who received MOP distal to canines throughout the period of retraction every 28 days. These were compared with a control group treated with identical brackets without MOP and were assessed for rate of tooth movement (canine retraction) and pain perception using a Visual Analogue Scale (VAS) of 10 mm.


Prior to commencement, all baseline parameters were matched between the two groups (p>0.05). A statistically significant increase in rate of tooth movement in the MOP group (p<0.05).


MOP appears to enhance the rate of tooth movement with no differences in pain perception.
Selo DaSilva