page_title: Thyroplasty
section_title: Types of procedures
hierarchical_section_title: Thyroplasty / Type 1 thyroplasty (medialization thyroplasty) / Procedure / Types of procedures
caption_attribution_description: English: In this type of implant system, the thyroid cartilage is pushed towards the medial side using the silastic implant.
context_page_description: Thyroplasty is a phonosurgical technique designed to improve the voice by altering the thyroid cartilage of the larynx, which houses the vocal cords in order to change the position or the length of the vocal cords.
context_section_description: Currently, there are four types of implant procedures which are used to perform type 1 thyroplasty.
  Montgomery Thyroplasty Implant system
  
  This system was discovered after years of research and the main advantage of this implant system is that it eliminates the process of customizing the implant at the time of surgery. This system consists of different sizes and shapes of shims made of silastic. It has the most proven success rate and the duration of the procedure is slow in comparison to other implant system. The other advantage is that it does not require suturing. It has reduced incidence of trauma.
  VoCoM system (vocal fold medialization)
  This system consists of different sizes and shapes of implants made from hydroxyapatite (a naturally occurring mineral form of calcium apatite). It helps in achieving accurate vocal fold medialization. This procedure is technically reversible. But it should be used in candidates of permanent implantation due to its biocompatible clinical use lasting for nearly a decade.
  TVFMI system
  This system generally consists of two sizes of implants made out of pure titanium. It has a lot of advantages and the main one is that it reduces the operative time. Titanium is more safe than other implants. It has great biocompatibility. The implants are available in only two variants and they are designed in such a way that they ensure optimal fixation. The implant can be easily made as the titanium sheet is easy to shape. The technique is relatively simple and does not require expensive instruments.
  Gore-Tex Implant system
  In this type of implant system, the implant is made of homopolymer of polytetrafluoroethylene in form of minute beads arranged in a fine fiber mesh. It is malleable and can be inserted through a small window.
caption: In this type of implant system, the thyroid cartilage is pushed towards the medial side using the silastic implant.
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