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Updated: Aug 12, 2026

Vessel-sparing Excision and Primary Anastomosis
Published on: January 7, 2019
Repair of the contracted socket using RTV silicone as a stent for mucosal grafting
Anophthalmic socket contraction is a common issue in ophthalmic surgery. When the conjunctiva is insufficient, the socket can shrink. One method uses buccal mucosa to expand the socket. However, this tissue often causes scarring and further contraction. The study tested RTV silicone as a stent during mucosal grafting. The results showed that 17 out of 21 cases had successful expansion. The stent helped the graft take without shrinkage. Patients were able to wear prosthetic eyes comfortably. The study outlines the procedure and highlights the benefits of this approach. RTV silicone may offer a better alternative to current methods.
Area of Science:
- Ophthalmic surgery techniques
- Tissue grafting in reconstructive surgery
Background:
Anophthalmic socket contraction is a known issue in ophthalmic care. It occurs when the conjunctiva is insufficient. This deficiency leads to socket shrinkage. Current methods use buccal mucosa for expansion. However, this tissue often causes scarring. Scarring can lead to further contraction. This limits the effectiveness of the graft. That uncertainty drove the search for alternative stent materials.
Purpose Of The Study:
This study aimed to evaluate a new stent material for mucosal grafting. The goal was to reduce post-surgical shrinkage. The focus was on RTV silicone as a potential solution. The researchers wanted to assess its effectiveness. They also aimed to document the technical procedure. The study included complications and outcomes. The objective was to improve socket expansion results. This approach could enhance prosthetic eye fitting.
Main Methods:
The researchers used RTV silicone (Medical Elastomer 382) as a stent. They applied it during buccal mucosal grafting. The method involved placing the silicone in the socket. This allowed the graft to expand properly. The procedure was performed on 21 cases. The team documented technical steps in detail. They also tracked post-operative complications. The focus was on graft integration and shrinkage.
Main Results:
Out of 21 cases, 17 showed excellent outcomes. The grafts remained stable without shrinkage. Patients were able to wear prosthetic eyes comfortably. The silicone stent prevented further contraction. No significant complications were reported. The material supported tissue integration. The results suggest improved socket expansion. This method may offer better long-term stability.
Conclusions:
The authors suggest RTV silicone is a suitable stent material. It supports mucosal grafting without excessive shrinkage. The results indicate improved socket stability. The method allows for better prosthetic eye fitting. Technical details were clearly outlined. The study highlights the material's advantages. No prior work had resolved this issue effectively. This approach may be a viable alternative to current methods.
Frequently Asked Questions
RTV silicone helped 17 out of 21 sockets expand without shrinkage.
Buccal mucosa is used to expand the anophthalmic socket due to its availability and tissue properties.
RTV silicone prevents further contraction and supports graft integration without excessive scarring.
The stent maintains socket shape and supports the graft until tissue integration occurs.
The study included 21 anophthalmic sockets treated with RTV silicone stents.
The authors suggest RTV silicone is a viable option for preventing socket shrinkage after grafting.

