Status:

ACTIVE_NOT_RECRUITING

BioHPP and Lithium Disilicate Onlay Restorations: Clinical Evaluation

Lead Sponsor:

Ege University

Collaborating Sponsors:

The Scientific and Technological Research Council of Turkey

Conditions:

Dental Caries

Polymers

Eligibility:

All Genders

18-50 years

Phase:

NA

Brief Summary

In this study, clinical data obtained from the in vivo evaluation of onlay restorations fabricated with CAD/CAM using modified PEEK (BioHPP Shade 2, Bredent group GmbH \& Co. KG, Senden, Germany) and ...

Detailed Description

Patients aged between 18 and 50 years, systemically healthy, with good oral hygiene, without periodontal disease, and with at least 24 teeth present in the oral cavity (including the first permanent m...

Eligibility Criteria

Inclusion

  • The teeth planned for onlay restoration (teeth numbered 16, 17, 26, 27, 36, 37, 46, and 47) with destroyed mesial and distal surfaces, but with intact buccal and lingual enamel walls of 2-3 mm thickness.
  • In the tooth to be treated, the presence of a MOD (mesio-occluso-distal) preparation where the isthmus involves more than half of the buccolingual width of the tooth, or where the distance between the fissure and cusp tip exceeds one-third of the intercuspal distance, including one or more cusps.
  • Teeth that do not require full crown restoration.
  • Absence of any other restorations on the adjacent teeth (mesial/distal) or on the opposing teeth corresponding to the tooth planned for onlay restoration.
  • Since the BioHPP polymer material used in this study is not an esthetic material and does not offer color options, only posterior teeth that do not pose esthetic concerns will be included: maxillary right and left first molars (teeth 16 and 26) and second molars (teeth 17 and 27), as well as mandibular right and left first molars (teeth 46 and 36) and second molars (teeth 47 and 37).

Exclusion

  • The relevant tooth being non-vital
  • Presence of crowns on the adjacent (mesial and distal) or opposing teeth
  • Absence of proper occlusal contact of the relevant tooth
  • Patient having periodontitis
  • Patient age not within the 18-50 year range
  • Presence of bruxism in the patient

Key Trial Info

Start Date :

September 15 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

October 15 2026

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT07142031

Start Date

September 15 2025

End Date

October 15 2026

Last Update

November 14 2025

Active Locations (1)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 1 (1 locations)

1

Ege University Faculty of Dentistry

Izmir, Bornova, Turkey (Türkiye), 35030