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

Cairo University (CU)

Status: Active, not recruiting

Conditions: Clinical Behavioral

Treatments: Procedure: Monolithic lithium disilicate crown; Procedure: Monolithic zirconia crown

Study type: Interventional

Funder types: Other

Identifiers

NCT06695091

CEBD-2020-9-120

Details and patient eligibility

About

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).

Enrollment: 60 patients

Sex: All

Ages: 20 to 50 years old

Volunteers: Accepts Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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60 participants in 2 patient groups

Flat occlusal scheme

Active Comparator group

Description:

occlusal design

Treatment:

Procedure: Monolithic zirconia crown

Procedure: Monolithic lithium disilicate crown

Anatomic occlusal scheme

Active Comparator group

Description:

occlusal design

Treatment:

Procedure: Monolithic zirconia crown

Procedure: Monolithic lithium disilicate crown