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NCT01188226 · ClinicalTrials.gov registry record · NA
Wear Characteristics of Denture Teeth
A NA study, sponsored by University of California, Los Angeles.
- Terminated
- Registry status
- NA
- Development phase
- 10
- Enrollment target
NCT01188226 is a NA study that was terminated before completion, run by University of California, Los Angeles. The registered enrollment target is 10 participants.
The verdict
NCT01188226, a NA study, was terminated before completion, sponsored by University of California, Los Angeles.
- TERMINATED
- Registry status
- NA
- Development phase
- 10 participants
- Enrollment target
Study Summary
The majority of teeth utilized in the fabrication of conventional complete dentures are made of acrylic resins. These acrylic teeth provide increased bond strength to the denture base and are much easier to adjust for correct denture occlusion compared to teeth made of harder materials, such as porcelain. However, the acrylic teeth will wear faster than the porcelain teeth, leading to alterations in how the teeth contact each other if the denture is not replaced periodically (typically every 5-8 years). With the increase in biting and chewing forces that can be achieved during function with dentures supported by dental implants, the rate of tooth wear may be increased, leading to more frequent need for replacement of the prosthesis. Acrylic teeth made of nano hybrid composite material (NHC) potentially offer greater wear resistance and aesthetic characteristics. The NHC teeth employ a wide range of fillers, including highly cross-linked organic macrofillers, high-density inorganic microfillers and silanized silica based nanofillers. The macrofillers are, to a large part, responsible for the adequate strength and color-stability of the teeth, whereas the microfillers improve the wear resistance. The nanofillers offer fundamentally different optical behaviour from those of larger fillers, improving light reflection without lowering the translucency. This offers additional opportunities in the development of composite teeth, which have to exhibit lifelike aesthetics and translucency. These teeth made of nano-particles and hybrid composites can be made with two different techniques, one where the materials are pressed together and another using an injection technique. The injection method has been found to have better aesthetic results, but resistance to wear in clinical use has not been established. The purpose of this study is to evaluate the wear characteristics of new resin denture teeth (nano particles - hybrid composite) made by an injection technique. Twenty-fou
Interventions
- DEVICE Denture teeth
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 10 participants |
| Start Date | 2010-08 |
| Est. Completion | 2015-06 |
| Phase | NA |
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Full Details on ClinicalTrials.gov ↗What the Registry Record Tells You About NCT01188226
The ClinicalTrials.gov registry entry for NCT01188226 describes a study currently listed as terminated, categorized as NA. The registered enrollment target is 10 participants, a figure that helps gauge the scale of data the investigators plan to collect. The listed sponsor is University of California, Los Angeles, which has 897 total studies on file at ClinicalTrials.gov.
The record links to 0 conditions, and to 1 intervention - of which Denture teeth is the first listed.
NCT01188226 reports 0 study locations.
Frequently Asked Questions
What is clinical trial NCT01188226 about?
NCT01188226 is a clinical study titled "Wear Characteristics of Denture Teeth". The majority of teeth utilized in the fabrication of conventional complete dentures are made of acrylic resins. These acrylic teeth provide increased bond strength to the denture base and are much easier to adjust for correct denture occlusion compared to teeth made of harder materials, such as porc...
What is the current status of trial NCT01188226?
This trial is currently terminated. It is a NA study. The enrollment target is 10 participants. The study started on 2010-08. Estimated completion is 2015-06.
What interventions are being tested in trial NCT01188226?
The interventions under investigation include: Denture teeth (DEVICE).
Who is sponsoring clinical trial NCT01188226?
This trial is sponsored by University of California, Los Angeles, which has 897 total clinical trials registered on ClinicalTrials.gov.
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