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The Role of a New Prosthodontics Device in Hard and Soft Tissue Changes After Subcrestal Implant Placement — NABUT  

Edentulous Alveolar Ridge Clinical Trial

Official title:
The Role of a New Prosthodontics Device in Hard and Soft Tissue Changes After Subcrestal Implant Placement: 12-months, Parallel, Randomized Clinical Trial

Clinical Trial Summary

The present randomized controlled trial aims to assess the influence of a new prosthodontics device (Gingival Former Abutment -GFA) on peri-implant bone loss and soft tissue changes and health after subcrestal oral implant placement. The participants will be divided in two groups and receive either crestal implant placement and traditional healing abutment or subcrestal implant placement and GFA. Clinical and radiographic examination will be performed at implant placement surgery, prosthetic load, 6 and 12 months follow-up.

Clinical Trial Description

According to current literature, physiological bone loss around oral implants is expected after placement and load (1 mm during the first year and 0.2 mm each subsequent year). Different implant designs and surgical protocols have been tested to minimize bone resorption, and subcrestal implant placement partially seems to overcome this issue. However, if this procedure increases the length of the transmucosal tunnel, increasing the risk of peri-implant soft tissue infection. The GFA was created to limit both the loss of peri-implant crestal bone and the extension of the transmucosal tunnel. The GFA follows the "one abutment one time" concept, which is believed to limit disturbances of the peri-implant hard and soft tissues healing due to the removal of the traditional healing abutments during prosthetic load procedures. Our objective is to validate or deny this claim. The study is a monocentric, pragmatic, single-blinded, randomized clinical trial (RCT) of parallel design. The trial will have a one-year duration, with data collection at the surgical phase, at implant load and 6 and 12 months after load. The primary outcome will be radiographical MBL (marginal bone level) changes around the implant. Secondary outcomes will be the assessment of the peri-implant soft tissues. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06182670
Study type Interventional
Source Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia
Contact
Status Completed
Phase N/A
Start date June 6, 2021
Completion date June 7, 2023
View Details
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