Marginal Integrity and Clinical Evaluation of Polyetheretherketone (PEEK) Versus Lithium Disilicate (E-max) Endocrowns.
NCT ID: NCT04023357
Last Updated: 2019-08-08
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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UNKNOWN
NA
22 participants
INTERVENTIONAL
2019-11-30
2020-12-31
Brief Summary
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.but the investigators have to know clinically it is performance , so the investigators are going to have Parallel groups in a randomized clinical trial.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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PEEK
PEEKs (polyetheretherketones) are presented as alternative materials to metal and glass ceramics,1 Their elastic modulus comparable to those of cortical bone and dentin so the polymer could exhibit good stress distribution. Also they have high fracture resistance, and low abrasion to the antagonist enamel.
Yet clinical studies are needed to evaluate their clinical performance.
PEEK
New polyetheretherketones material
Emax
lithium disilicate glass-ceramic which is etchable and proved to have good success rate if used for Endocrowns
Emax
standard etchable glass ceramic used for Endocrowns
Interventions
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PEEK
New polyetheretherketones material
Emax
standard etchable glass ceramic used for Endocrowns
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* From 18-60 years old, and able to read and sign the informed consent document.
* Physically and psychologically able to tolerate conventional restorative procedures
* Have no active periodontal or pulpal diseases.
* Willing to return for follow-up examinations and evaluation
Exclusion Criteria
* Patient with fractured teeth of more than 50% enamel loss
* Patients with poor oral hygiene and motivation
* Pregnant women
* Psychiatric problems or unrealistic expectations
* Lack of opposite occluding dentition in the area intended for restoration
18 Years
60 Years
ALL
No
Sponsors
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Cairo University
OTHER
Responsible Party
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Ahmed mohamed osman Youssef
Internal resident faculty of oral & dental medicine Cairo University
Central Contacts
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Omaima Elmahlawy
Role: CONTACT
References
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Otto T, Mormann WH. Clinical performance of chairside CAD/CAM feldspathic ceramic posterior shoulder crowns and endocrowns up to 12 years. Int J Comput Dent. 2015;18(2):147-61. English, German.
Zoidis P, Bakiri E, Polyzois G. Using modified polyetheretherketone (PEEK) as an alternative material for endocrown restorations: A short-term clinical report. J Prosthet Dent. 2017 Mar;117(3):335-339. doi: 10.1016/j.prosdent.2016.08.009. Epub 2016 Sep 28.
Sevimli G, Cengiz S, Oruc MS. Endocrowns: review. J Istanb Univ Fac Dent. 2015 Apr 29;49(2):57-63. doi: 10.17096/jiufd.71363. eCollection 2015.
Other Identifiers
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emax_peek
Identifier Type: -
Identifier Source: org_study_id
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