Wear of Enamel Antagonist to ZLS Crowns

NCT04914962 | Unknown DMC

• 1 other identifier: Wear & ZLS
• Study Type: interventional
• Target: 26
• Locations: 0 countries
• Sites: N/A

Brief Summary

The aim of this study is to evaluate the antagonist enamel wear of two processing options of Celtra duo crowns (polished and glaze fired) restoring posterior teeth in comparison with sound enamel wear at baseline and 6 months

Conditions

Wear, Tooth; Wear, Occlusal

Keywords

ZLS; crowns; occlusal wear; glass ceramic; polished vs glazed

Outcome Measures

Primary Outcomes (1)

• antagonist enamel wear

  Intraoral digital scanner and superimposition software Mm3 intraoral scanning of enamel antagonist to determine amount of wear in Mm3

  6 months

Study Arms (2)

monolithic glazedcrowns

ACTIVE COMPARATOR

glazed Celtra due crowns

Other: glazed zirconium lithium silicate

monolithic polished crowns

EXPERIMENTAL

polished Celtra due crowns

Other: polished zirconium lithium silicate

Interventions

glazed zirconium lithium silicate OTHER

monolithic glazed crown

Also known as: glazed Celtra due

monolithic glazedcrowns

polished zirconium lithium silicate OTHER

monolithic polishedcrowns

Also known as: polished Celtra due

monolithic polished crowns

Eligibility Criteria

• Age: 21 Years - 50 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Pt aged 21-60 years old, be able to read and sign the informed consent document.
• Psychologically and physically able to withstand conventional dental procedures.
• Patients needing posterior full coverage restorations
• Patients with sound natural antagonists.
• Have no active periodontal or pulpal diseases
• Able to attend punctually for preplanned visits and evaluation.

You may not qualify if:

• Patients with poor oral hygiene, high caries risk and uncooperative patients.
• Pregnant women.
• Psychiatric problems or unrealistic expectations.
• Lack of opposing dentition in the area of interest.
• Restored occlusal surface opposing the planned restoration.
• The presence of a removable or fixed orthodontic appliance.
• Patients with parafunctional habits.

Sponsors & Collaborators

• Cairo University: lead

Related Publications (5)

• De Angelis F, D'Arcangelo C, Maliskova N, Vanini L, Vadini M. Wear Properties of Different Additive Restorative Materials Used for Onlay/Overlay Posterior Restorations. Oper Dent. 2020 May/Jun;45(3):E156-E166. doi: 10.2341/19-115-L. Epub 2020 Feb 13.

  PMID: 32053459 BACKGROUND

• Mehta SB, Banerji S, Millar BJ, Suarez-Feito JM. Current concepts on the management of tooth wear: part 1. Assessment, treatment planning and strategies for the prevention and the passive management of tooth wear. Br Dent J. 2012 Jan 13;212(1):17-27. doi: 10.1038/sj.bdj.2011.1099.

  PMID: 22240686 BACKGROUND

• Dahl BL, Carlsson GE, Ekfeldt A. Occlusal wear of teeth and restorative materials. A review of classification, etiology, mechanisms of wear, and some aspects of restorative procedures. Acta Odontol Scand. 1993 Oct;51(5):299-311. doi: 10.3109/00016359309040581.

  PMID: 8279271 BACKGROUND

• Nazirkar GS, Patil SV, Shelke PP, Mahagaonkar P. Comparative evaluation of natural enamel wear against polished yitrium tetragonal zirconia and polished lithium disilicate - An in vivo study. J Indian Prosthodont Soc. 2020 Jan-Mar;20(1):83-89. doi: 10.4103/jips.jips_218_19. Epub 2020 Jan 27.

  PMID: 32089603 BACKGROUND

• Batson ER, Cooper LF, Duqum I, Mendonca G. Clinical outcomes of three different crown systems with CAD/CAM technology. J Prosthet Dent. 2014 Oct;112(4):770-7. doi: 10.1016/j.prosdent.2014.05.002. Epub 2014 Jun 28.

  PMID: 24980739 BACKGROUND

MeSH Terms

Conditions

Tooth Wear; Tooth Attrition

Condition Hierarchy (Ancestors)

Tooth Diseases; Stomatognathic Diseases

Study Officials

• Eman M Anwer, professor

  professor of fixed prosthodontics

  PRINCIPAL INVESTIGATOR

• karim Abo Bakr Mohamed, PhD

  teacher of fixed prosthodontics

  STUDY DIRECTOR

Central Study Contacts

Ibrahim S Rady, Master

CONTACT

0201099576840; ibrahim.rady@dentistry.cu.edu.eg

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: DOUBLE
• Who Masked: PARTICIPANT, OUTCOMES ASSESSOR
• Purpose: TREATMENT
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: PhD candidate

Model Details: Patient will receive a restoration with superior function, esthetics, and excellent clinical performance

Study Record Dates

• First Submitted: May 29, 2021
• First Posted: June 7, 2021
• Study Start: July 10, 2021
• Primary Completion: January 1, 2022
• Study Completion: July 1, 2022
• Last Updated: June 7, 2021

Record last verified: 2021-06