Chapter_050.pptx - CHAPTER 50 FIXED PROSTHODONTICS Lesson...

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CHAPTER 50 FIXED PROSTHODONTICS
2ASSISTING IN FIXED PROSTHESIS AND INDIRECT RESTORATION PROCEDURES 1. Pronounce, define, and spell the Key Terms.2.List indications for and contraindications to a fixed prosthesis.3.Discuss indirect restorations, including:Describe the differences among inlays, onlays, veneer crowns, and full crowns.Describe the uses of porcelain for fixed prosthodontics.Identify the components of a fixed bridge.4.Identify the role of the laboratory technician and the steps for a diagnostic workup.Lesson 50.1
INTRODUCTION3
PROSTHODONTISTThe dentist who is committed to the restoration and replacement of teeth focusing on fixed or removable prosthodontics This specialty is earned through an additional 3-year training at a university- or hospital-based program accredited by the ADAEducation includes review of the literature, lectures, treatment of patients, and laboratory experience in fabricating restorations4
INDICATIONS FOR FIXED PROSTHODONTICS One or two adjacent teeth are missing in the same archThe supportive tissues are healthySuitable abutment teeth are presentThe patient is in good health and wants the prosthesis placedThe patient has the skills and motivation to maintain good oral hygiene5
CONTRAINDICATIONS FOR FIXED PROSTHODONTICS The supportive tissues are diseased or missingSuitable abutment teeth are not presentThe patient is in poor health The patient is not motivated to have the prosthesis placedThe patient has poor oral hygiene habitsThe patient cannot afford the treatment6
PLAN OF CARE A patient’s dental condition must be thoroughly evaluated before prosthodontic treatment is initiatedIt is necessary to obtain:Detailed medical and dental historiesA thorough intraoral examinationDiagnostic modelsA current series of full mouth radiographs7
INDIRECT RESTORATIONS Inlays and onlays VeneersCrownsFixed bridge 8
INLAYS AND ONLAYS Cast restorations designed to fit snugly within the preparation of a toothInlay: Resembles a Class II restoration and covers the occlusal and proximal surfaceOnlay: Resembles a multisurface restoration and covers the proximal surfaces and most or the entire occlusal surface Gold is the strongest material for these types of cast restorationsBecause of esthetics, an inlay or onlay to match the natural tooth color would be recommended9
INLAY CAST RESTORATION 10From Heymann HO, Swift EJ Jr, Ritter AV: Sturdevant’s art and science of operative dentistry, ed 6, St Louis, 2013, Mosby.
ONLAY CAST RESTORATION 11From Heymann HO, Swift EJ Jr, Ritter AV: Sturdevant’s art and science of operative dentistry, ed 6, St Louis, 2013, Mosby.
VENEERSA thin shell of tooth-colored materialThere are two types of veneer restorations:Direct veneeris created directly in the patient’s

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