- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT03621163
Copmere Between Bleaching and Laminate Veneers
Shade Evaluation for Clinical Color Change of Discolored Teeth Treated by Bleaching vs Laminate Veneers.
Studieöversikt
Status
Betingelser
Intervention / Behandling
Detaljerad beskrivning
Dental aesthetics, including tooth color, is of great importance for majority of the people and any discoloration or staining can affect their quality of life negatively1,2. In the UK it has been reported that 28% of grownups are dissatisfied with the appearance of their teeth and in the USA that 34% of grownups population are dissatisfied with their current tooth color. Moreover, in a survey of 3215 subjects from the UK 50% have admitted that they had some kind of tooth discoloration3,4.
Tooth bleaching has become one of the most popular aesthetic dental treatments. Because tooth bleaching is an effective, non-invasive procedure for the change of tooth discoloration, it is the best of treatment options for improving teeth color 5.
Ceramic restorations with excellent biocompatibility are widely used to achieve highly aesthetic characteristics in fixed prosthodontics6. Porcelain laminate veneers have become a popular method of treated tooth discoloration. But are expensive, brittle and difficult to repair7.
Studietyp
Inskrivning (Förväntat)
Fas
- Inte tillämpbar
Kontakter och platser
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
Patients included in this clinical trial :
- Men and women between 15and 40 years of age.
- Had good general and oral health.
- The participants needed to have six vital maxillary or mandibular anterior teeth without caries lesions or restorations.
- The maxillary canine was shade A3 or darker as judged by comparison with a shade guide (VITA Classical Shade Guide or Spectrophotometer measurement ).
Exclusion Criteria:
Participants were excluded from the study
- If they presented with anterior restorations; had bruxism habits.
- Were pregnant/lactating; presented with non vital tooth discoloration.
- were taking any drug with anti-inflammatory, analgesic, or antioxidant effect; or presented with recession and dentin exposure
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Behandling
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Enda
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
---|---|
Experimentell: bleaching agent
intervention : bleaching agent ( Boost 40%)
|
Opalescence Boost 40% is a 40% hydrogen peroxide, medical power bleaching gel.
The jet mix syringe ensures freshness for each application and precise dosing of the activator.
One barrel contains a unique chemical activation with sodium fluoride and potassium nitrate, which have been demonstrated to reduce caries susceptibility, lower sensitivity, and improve enamel micro-hardness.
The other barrel contains the concentrated hydrogen peroxide.
When mixed, Opalescence Boost results in a 1.1% fluoride and 3% potassium nitrate concentration.
|
Aktiv komparator: laminate veneers
laminate veneers ( monolithic lithium - silicate)
|
A lithium-silicate glass ceramic is newly introduced to the market.
After crystallization, it demonstrates an ideal combination of strength, aesthetics and translucency that mirrors the vitality of natural teeth for fabrication of full anatomic anterior and posterior crowns.
It differentiated from other ceramics by its high chipping resistance, due to their monolithic composition and average flexural strength of 385 MPa.
Also Milling Block has good wear resistance due to the high content of ultra-fine nano-meter size crystalline structure.
Lithium-silicates ceramic blocks are available in the commonly used VITA Classical and Chromascop Bleach shades.
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Color change.
Tidsram: 1-4 weeks
|
measures the change of color before and after intervention by Easy Shade Spectrophotometry
|
1-4 weeks
|
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Corresponding color with comparator.
Tidsram: 1-4 weeks
|
by Digital photographs
|
1-4 weeks
|
Samarbetspartners och utredare
Sponsor
Publikationer och användbara länkar
Allmänna publikationer
- Gupta SK, Saxena P. Evaluation of patient satisfaction after non-vital bleaching in traumatized discolored intact anterior teeth. Dent Traumatol. 2014 Oct;30(5):396-399. doi: 10.1111/edt.12109. Epub 2014 Apr 10.
- Gerlach RW, Zhou X. Clinical trial comparing two daytime hydrogen-peroxide professional vital-bleaching systems. Compend Contin Educ Dent. 2004 Aug;25(8 Suppl 2):33-40.
- Almeida LC, Riehl H, Santos PH, Sundfeld ML, Briso AL. Clinical evaluation of the effectiveness of different bleaching therapies in vital teeth. Int J Periodontics Restorative Dent. 2012 Jun;32(3):303-9.
- Mountouris G, Mantzavinos Z, Michou H. [Discolorations: a new method of bleaching discolored vital teeth. (Preliminary study)]. Odontostomatol Proodos. 1990 Jun;44(3):195-206. Greek, Modern.
- Marson FC, Sensi LG, Vieira LC, Araujo E. Clinical evaluation of in-office dental bleaching treatments with and without the use of light-activation sources. Oper Dent. 2008 Jan-Feb;33(1):15-22. doi: 10.2341/07-57.
- Alomari Q, El Daraa E. A randomized clinical trial of in-office dental bleaching with or without light activation. J Contemp Dent Pract. 2010 Jan 1;11(1):E017-24.
Studieavstämningsdatum
Studera stora datum
Studiestart (Förväntat)
Primärt slutförande (Förväntat)
Avslutad studie (Förväntat)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Faktisk)
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- DTB&V
Plan för individuella deltagardata (IPD)
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Läkemedels- och apparatinformation, studiedokument
Studerar en amerikansk FDA-reglerad läkemedelsprodukt
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