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Prosthetic rehabilitation with collapsible hybrid acrylic resin and permanent silicone soft liner complete denture of a patient with scleroderma-induced microstomia.

Abstract
Scleroderma is an autoimmune multisystem rheumatic condition characterized by fibrosis of connective tissues of the body, resulting in hardening and impairment of the function of different organs. Deposition of collagen fibers in peri-oral tissues causes loss of elasticity and increased tissue stiffness, resulting in restricted mouth opening. A maximal oral opening smaller than the size of a complete denture can make prosthetic treatment challenging. Patients with microstomia who must wear removable dental prostheses (RDPs) often face the difficulty of being unable to insert or remove a conventional RDP. A sectional-collapsible denture is indicated for the prosthetic management of these patients, but reduced manual dexterity often makes intraoral manipulation of the prosthesis difficult. A single collapsible complete denture is a better choice for functional rehabilitation of these patients. This clinical report describes in detail the prosthodontic management of a maxillary edentulous patient with restricted mouth opening induced by scleroderma with a single collapsible removable complete denture fabricated with heat-polymerized silicone soft liner and heat-cured acrylic resin. The preliminary and secondary impressions were made with moldable aluminum trays by using putty and light-body poly(vinyl siloxane) elastomeric impression material. The collapsed denture can be easily inserted and removed by the patient and also provides adequate function in the mouth.
AuthorsKunwarjeet Singh, Nidhi Gupta, Ridhimaa Gupta, Dex Abrahm
JournalJournal of prosthodontics : official journal of the American College of Prosthodontists (J Prosthodont) Vol. 23 Issue 5 Pg. 412-6 (Jul 2014) ISSN: 1532-849X [Electronic] United States
PMID24417310 (Publication Type: Case Reports, Journal Article)
Copyright© 2014 by the American College of Prosthodontists.
Chemical References
  • Acrylic Resins
  • Dental Impression Materials
  • Dental Materials
  • Polyvinyls
  • Silicones
  • Siloxanes
  • vinyl polysiloxane
Topics
  • Acrylic Resins (chemistry)
  • Dental Impression Materials (chemistry)
  • Dental Impression Technique (instrumentation)
  • Dental Materials (chemistry)
  • Denture Design
  • Denture Liners
  • Denture, Complete, Upper
  • Female
  • Humans
  • Jaw, Edentulous (rehabilitation)
  • Microstomia (etiology)
  • Middle Aged
  • Pliability
  • Polyvinyls (chemistry)
  • Scleroderma, Systemic (complications)
  • Silicones (chemistry)
  • Siloxanes (chemistry)

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