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Clinical Trial Summary

Thermoplastic devices are used in orthodontic treatment and consists of a series of nearly invisible, removable aligners. However, every device used in the mouth can change the buccal flora and increase the number of bacterias. This is a risk factor for enamel demineralization. The treatment can vary in time of use per day. The patient under orthodontic treatment has to use the device for 22 hour each day. When the period of retention comes, it is reduced to 8 hours. The investigators want to know if the concentration of bacterias in saliva and dental plaque will increase, and if the material can cause damage on gingiva.


Clinical Trial Description

The orthodontic thermoplastic devices became more affordable and with simple techniques, due to the technological advancement. The main advantage of this appliance is that it is nearly invisible, seen that patients do not want to show braces. Others reasons for searching this kind of treatment is because it is removable. While eating, brushing the teeth or even in a important social event, there is the facility to remove the appliance. In the other hand this appliance, according to the american board association, does not finish the treatment as well as the conventional braces. Another problem is that every device placed in the mouth is more plaque retentive, increasing the risk of enamel demineralization. Also, this device disrupts the normal flow of the saliva, preventing the buffering. This study will analyse the amount of streptococcus mutans and lactobacillus in the saliva and in the biofilm of the teeth and of the appliance, seeded in culture medium. Another point, is check the prognosis of the gingival health owing to the contact with the device during the hole treatment. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Investigator, Outcomes Assessor), Primary Purpose: Supportive Care


Related Conditions & MeSH terms


NCT number NCT02427763
Study type Interventional
Source Universidade Positivo
Contact
Status Completed
Phase Phase 0
Start date October 2014
Completion date March 2015

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