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Chin augmentation using minimally invasive technique and bioplastique
R A Ersek1, R B Stovall, A Vazquez-Salisbury
1Southwest Texas State University, Austin, USA.
Plastic and Reconstructive Surgery
|May 1, 1995
Summary
A new biphasic polymer implant, Bioplastique, offers a safe and effective solution for chin augmentation. Clinical trials show no migration or absorption after 26 months, with excellent aesthetic outcomes.
Area of Science:
- Plastic Surgery
- Biomaterials Science
Background:
- Existing techniques for correcting chin retrusion are often problematic, leaving surgeons uncertain.
- A need exists for reliable, minimally invasive solutions for soft-tissue deficiencies in the chin area.
Purpose of the Study:
- To introduce and evaluate a novel biphasic polymer implant, Bioplastique, for chin augmentation.
- To assess the safety, efficacy, and long-term stability of Bioplastique implants.
Main Methods:
- Development of a biphasic polymer implant (Bioplastique) with inert, textured particles in a bioexcretable gel.
- Preclinical evaluation in rabbit ears to assess tissue integration and implant stability.
- Clinical trial involving thirteen patients with chin retrusion treated with Bioplastique implants.
Main Results:
- Preclinical studies demonstrated rapid gel replacement by host tissue and stable microparticle encasement.
- The implant resisted migration and absorption in animal models.
- Clinical phase showed a 0% infection rate and minor complications in thirteen patients.
- No evidence of implant migration or absorption observed at 26 months post-implantation.
- Sustained positive aesthetic results were reported in all patients.
Conclusions:
- Bioplastique presents a safe and effective minimally invasive option for chin augmentation.
- The implant material demonstrates excellent biocompatibility and long-term stability.
- This novel biomaterial addresses the challenges associated with soft-tissue deficiency in the chin area.