Denne side blev automatisk oversat, og nøjagtigheden af ​​oversættelsen er ikke garanteret. Der henvises til engelsk version for en kildetekst.

Microbiological and Epithelial Evaluation Related to the Use of Orthodontic Thermoplastic Device

22. april 2015 opdateret af: Luiza Cristina do Nascimento, Universidade Positivo

Epithelial Changes and Streptococci Mutans and Lactobacilli Quantify Related With the Use of Thermoplastic Aligner

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.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

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.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

105

Fase

  • Tidlig fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Brasilien
    • PR
      • Curitiba, PR, Brasilien, 81280-330
        • Universidade Positivo

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

16 år til 40 år (Barn, Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Patients who have stabilized their growth between 16 and 40
  • 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:

  • Periodontal status deteriorated
  • 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

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Støttende pleje
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: Retainer use

The volunteer use a thermoplastic appliance (Essix) for 8hours

Interventions:

  • hours of use
  • collect biofilm
  • collect saliva
  • collect epithelium
Enhed: hours of use (Essix)
the patient will use de thermoplastic device during the night or during all day
Andre navne:
  • retainer use
  • aligner use
Andet: collect saliva
the patient spit during 30 seconds in a small bottle
Andre navne:
  • saliva
Andet: collect biofilm
a sterile swab is rubbed at the buccal surface of the upper teeth
Andre navne:
  • biofilm
Andet: collect epithelium
a sterile cytobrush is rubbed at the buccal surface of gingiva at the upper arch
Andre navne:
  • epithelium
Aktiv komparator: Aligner use

The volunteer use thermoplastic appliance (Essix) for 22 hours

Interventions:

  • hours of use
  • collect biofilm
  • collect saliva
  • collect epithelium
Enhed: hours of use (Essix)
the patient will use de thermoplastic device during the night or during all day
Andre navne:
  • retainer use
  • aligner use
Andet: collect saliva
the patient spit during 30 seconds in a small bottle
Andre navne:
  • saliva
Andet: collect biofilm
a sterile swab is rubbed at the buccal surface of the upper teeth
Andre navne:
  • biofilm
Andet: collect epithelium
a sterile cytobrush is rubbed at the buccal surface of gingiva at the upper arch
Andre navne:
  • epithelium

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
change in the amount of bacterias streptococcus mutans and lactobacillus sp. that adhere to thermoplastic device
Tidsramme: baseline, 15 days, 30 days respectively
Collect biofilm with a sawb of the thermoplastic device and inoculated at selective plate, to verify the colony-forming unit on the sample
baseline, 15 days, 30 days respectively

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
change in the amount of bacterias streptococcus mutans that adhere to biofilm od the teeth
Tidsramme: Baseline, 15 days, 30 days respectively
Collect biofilm with a sawb of the upper teeth and inoculated at selective plate, to verify the colony-forming unit on the sample
Baseline, 15 days, 30 days respectively
change in the amount of bacterias lactobacillus sp. that adhere to upper teeth
Tidsramme: Baseline, 15 days, 30 days, respectively
Collect biofilm with a sawb of the upper teeth and inoculated at selective plate, to verify the colony-forming unit on the sample
Baseline, 15 days, 30 days, respectively
change in the amount of bacterias streptococcus mutans in the saliva
Tidsramme: Baseline, 15 days, 30 days, respectively
Collect saliva and inoculated at selective plate, to verify the colony-forming unit on the sample
Baseline, 15 days, 30 days, respectively
change in the amount of bacterias lactobacillus sp. in the saliva
Tidsramme: Baseline, 15 days, 30 days, respectively
Collect saliva and inoculated at selective plate, to verify the colony-forming unit on the sample
Baseline, 15 days, 30 days, respectively
Check any change in the epithelium
Tidsramme: Baseline, 15 days, 30 days, respectively
Use cytobrush to collect gingiva
Baseline, 15 days, 30 days, respectively

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Universidade Positivo

Efterforskere

  • Studiestol: Flares Baratto Filho, PhD, Universidade Positivo

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. oktober 2014

Primær færdiggørelse (Faktiske)

1. december 2014

Studieafslutning (Faktiske)

1. marts 2015

Datoer for studieregistrering

Først indsendt

24. februar 2015

Først indsendt, der opfyldte QC-kriterier

22. april 2015

Først opslået (Skøn)

28. april 2015

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

28. april 2015

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

22. april 2015

Sidst verificeret

1. april 2015

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • luiza2014

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Maloklusion

Kliniske forsøg med hours of use (Essix)

Søg i lignende forsøg

Sponsorer og samarbejdspartnere

Medicinske tilstande

Narkotikainterventioner

CROs by country

CROs in Belgium

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

Abonner