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NCT Number: NCT06695091

Clinical Assessment of Endodontically Treated Posterior Teeth Prepared With Two Occlusal Designs and Two Ceramic Full Coverage Restorations

The aim of this study was to assess the impact of flat occlusal preparation design (FOD) of endodontically treated molars on the fracture resistance and distribution of stresses among a ceramic crown-molar structure when compared to two planes occlusal preparation design (TOD).

Active, Not Recruiting

This study is active but is not currently recruiting participants.

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Key information

Conditions

Clinical Behavioral

Age range

20 year–50 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Cairo University

Cairo, Egypt

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients with posterior root canal treated teeth that require full coverage restoration.
  • 20 - 50 years old.
  • Males or Females.
  • Good oral hygiene.
  • Presence of favorable occlusion and teeth are in normal alignment with the adjacent teeth.
  • Patients agreed to return to follow-up evaluation.

Exclusion criteria

  • Active periodontal or pulpal diseases.
  • Lack of opposing dentition.
  • Severe medical complications.
  • Pregnancy.
  • Lack of compliance.
  • Evidence of parafunctional habits
  • Temporomandibular joint disorders

Treatment and study plan

Monolithic zirconia crown

Procedure

All-ceramic crown

Monolithic lithium disilicate crown

Procedure

All-ceramic crown

Primary outcomes

  1. Fracture

    Time frame: 12 months

    Using Modified United States Public Health Service (USPHS) criteria

Secondary outcomes

  1. Marginal adaptation

    Time frame: 12 months

    Using Modified United States Public Health Service (USPHS) criteria

  2. Marginal discoloration

    Time frame: 12 months

    Using Modified United States Public Health Service (USPHS) criteria

  3. Secondary caries

    Time frame: 12 months

    Using Modified United States Public Health Service (USPHS) criteria

Sponsors and collaborators

Lead sponsor

Cairo University

Other

Registry information

Official study title

Clinical Assessment of Endodontically Treated Posterior Teeth Prepared With Two Occlusal Designs and Two Ceramic Full Coverage Restorations (Randomized Clinical Trial)

Important dates

Study start
2020
Primary completion
2025
Study completion
2025
First posted
Nov 19, 2024
Registry last updated
Nov 19, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.