14y Prospective Study on Posterior Zirconia-based 3-unit FDPs (NCT04374201) | Clinical Trial Compass
UnknownNot Applicable
14y Prospective Study on Posterior Zirconia-based 3-unit FDPs
37 participantsStarted 2004-11-01
Plain-language summary
The main objective of the present prospective study is to evaluate the effectiveness of posterior zirconia FDPs after 14 years of function.
Who can participate
Age range21 Years – 68 Years
SexALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* 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 Criteria:- 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.