Microbiological and Epithelial Evaluation Related to the Use of Orthodontic Thermoplastic Device
NCT ID: NCT02427763
Last Updated: 2015-04-28
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
EARLY_PHASE1
105 participants
INTERVENTIONAL
2014-10-31
2015-03-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
SUPPORTIVE_CARE
DOUBLE
Study Groups
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Retainer use
The volunteer use a thermoplastic appliance (Essix) for 8hours
Interventions:
* hours of use
* collect biofilm
* collect saliva
* collect epithelium
hours of use (Essix)
the patient will use de thermoplastic device during the night or during all day
collect saliva
the patient spit during 30 seconds in a small bottle
collect biofilm
a sterile swab is rubbed at the buccal surface of the upper teeth
collect epithelium
a sterile cytobrush is rubbed at the buccal surface of gingiva at the upper arch
Aligner use
The volunteer use thermoplastic appliance (Essix) for 22 hours
Interventions:
* hours of use
* collect biofilm
* collect saliva
* collect epithelium
hours of use (Essix)
the patient will use de thermoplastic device during the night or during all day
collect saliva
the patient spit during 30 seconds in a small bottle
collect biofilm
a sterile swab is rubbed at the buccal surface of the upper teeth
collect epithelium
a sterile cytobrush is rubbed at the buccal surface of gingiva at the upper arch
Interventions
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hours of use (Essix)
the patient will use de thermoplastic device during the night or during all day
collect saliva
the patient spit during 30 seconds in a small bottle
collect biofilm
a sterile swab is rubbed at the buccal surface of the upper teeth
collect epithelium
a sterile cytobrush is rubbed at the buccal surface of gingiva at the upper arch
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Who have agreed to participate in the study if elected and to sign informed consent
* Residing in the metropolitan area of Curitiba and have the opportunity to attend recall appointments
Exclusion Criteria
* missing teeth
* Cleft lip and palate
* History of orthognathic surgery
* History of dental or skeletal open bite
* Presence of some habit oral tongue thrusting, mouth breathing, thumb sucking even after termination of orthodontic treatment
16 Years
40 Years
ALL
Yes
Sponsors
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Universidade Positivo
OTHER
Responsible Party
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Luiza Cristina do Nascimento
Graduation
Principal Investigators
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Flares Baratto Filho, PhD
Role: STUDY_CHAIR
Universidade Positivo
Locations
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Universidade Positivo
Curitiba, Paraná, Brazil
Countries
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References
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Dincer M, Isik Aslan B. Effects of thermoplastic retainers on occlusal contacts. Eur J Orthod. 2010 Feb;32(1):6-10. doi: 10.1093/ejo/cjp062. Epub 2009 Sep 2.
do Nascimento LE, Pithon MM, dos Santos RL, Freitas AO, Alviano DS, Nojima LI, Nojima MC, Ruellas AC. Colonization of Streptococcus mutans on esthetic brackets: self-ligating vs conventional. Am J Orthod Dentofacial Orthop. 2013 Apr;143(4 Suppl):S72-7. doi: 10.1016/j.ajodo.2012.07.017.
Jaderberg S, Feldmann I, Engstrom C. Removable thermoplastic appliances as orthodontic retainers--a prospective study of different wear regimens. Eur J Orthod. 2012 Aug;34(4):475-9. doi: 10.1093/ejo/cjr040. Epub 2011 Apr 20.
Low B, Lee W, Seneviratne CJ, Samaranayake LP, Hagg U. Ultrastructure and morphology of biofilms on thermoplastic orthodontic appliances in 'fast' and 'slow' plaque formers. Eur J Orthod. 2011 Oct;33(5):577-83. doi: 10.1093/ejo/cjq126. Epub 2010 Dec 27.
Mai W, He J, Meng H, Jiang Y, Huang C, Li M, Yuan K, Kang N. Comparison of vacuum-formed and Hawley retainers: a systematic review. Am J Orthod Dentofacial Orthop. 2014 Jun;145(6):720-7. doi: 10.1016/j.ajodo.2014.01.019.
Thickett E, Power S. A randomized clinical trial of thermoplastic retainer wear. Eur J Orthod. 2010 Feb;32(1):1-5. doi: 10.1093/ejo/cjp061. Epub 2009 Oct 14.
Ziuchkovski JP, Fields HW, Johnston WM, Lindsey DT. Assessment of perceived orthodontic appliance attractiveness. Am J Orthod Dentofacial Orthop. 2008 Apr;133(4 Suppl):S68-78. doi: 10.1016/j.ajodo.2006.07.025.
Turkoz C, Canigur Bavbek N, Kale Varlik S, Akca G. Influence of thermoplastic retainers on Streptococcus mutans and Lactobacillus adhesion. Am J Orthod Dentofacial Orthop. 2012 May;141(5):598-603. doi: 10.1016/j.ajodo.2011.11.021.
Turkkahraman H, Sayin MO, Bozkurt FY, Yetkin Z, Kaya S, Onal S. Archwire ligation techniques, microbial colonization, and periodontal status in orthodontically treated patients. Angle Orthod. 2005 Mar;75(2):231-6. doi: 10.1043/0003-3219(2005)0752.0.CO;2.
Shpack N, Greenstein RB, Gazit D, Sarig R, Vardimon AD. Efficacy of three hygienic protocols in reducing biofilm adherence to removable thermoplastic appliance. Angle Orthod. 2014 Jan;84(1):161-70. doi: 10.2319/012413-75.1. Epub 2013 Jun 20.
Other Identifiers
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luiza2014
Identifier Type: -
Identifier Source: org_study_id
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