Status:
UNKNOWN
14y Prospective Study on Posterior Zirconia-based 3-unit FDPs
Lead Sponsor:
Federico II University
Conditions:
Prosthesis Survival
Eligibility:
All Genders
21-68 years
Brief Summary
The main objective of the present prospective study is to evaluate the effectiveness of posterior zirconia FDPs after 14 years of function.
Detailed Description
thirty-seven patients needing to replace either premolars or molars were involved and 48 3-unit zirconia-based FDPs were fabricated. Patients included in the present clinical study met specific inclus...
Eligibility Criteria
Inclusion
- good general health;
- ASA I or ASA II according to the American Society of Anesthesiologists;
- good periodontal health;
- Angle class I occlusal relationship;
- minimum of 20 teeth;
- good oral hygiene;
- no evident signs of occlusal parafunctions and/or temporo-mandibular disorders.
- Moreover, the abutment teeth had to fulfill the following inclusion criteria:
- periodontal health (absence of tooth mobility, absence of furcation involvement);
- proper positioning in the dental arch (tooth axes adequate for a FDP);
- sufficient occlusal-cervical height of the clinical crown (≥4 mm) for the retention of a FDP;
- vital or endodontically treated to a clinically sound state;
- opposing natural teeth or fixed prostheses.
Exclusion
- subjects preferring implant-supported prostheses;
- high caries activity;
- occlusal-gingival height of the abutment teeth \<4 mm;
- reduced interocclusal distance or supraerupted opposing teeth;
- unfavorable crown-to-root ratio;
- severe wear facets, clenching, bruxism;
- presence of removable partial dentures;
- pregnancy or lactation.
Key Trial Info
Start Date :
November 1 2004
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
December 31 2025
Estimated Enrollment :
37 Patients enrolled
Trial Details
Trial ID
NCT04374201
Start Date
November 1 2004
End Date
December 31 2025
Last Update
May 5 2020
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