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Fixed prosthodontics lesson 1

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Fixed prosthodontics lesson 1

  1. 1. INTRODUCTION & Fixed prosthodontics TERMINOLOGY : A brief introduction Part I: General considerations
  2. 2.  it is a branch of dentistry that deals with the replacement of teeth and contiguous tissues or jaw structures by artificial devices, in order to, restore and maintain the oral function, comfort, appearance, and health of the patient. It has three main branches: 1. Removable prosthodontics, 2. Fixed prosthodontics, and 3. Maxillofacial prosthetics.
  3. 3. it is a branch of prosthodontics, that deals with the replacement of missing tooth/or teeth, using an artificial substitute ( a cast prosthesis*) permanently cemented* in place.On other hand, Fixed prosthodontics, is a technique used to restore teeth, using fixed restorations which include: - crowns, - bridges, *Prosthesis it is an artificial appliance that used to replace a missing part of - inlays, the body. In Fixed prosthodontics > replace tooth or teeth - onlays, and *Cemented>> to cement 1. To bind with or as if with cement. - veneers 2. To cover or coat with cement.
  4. 4.  crowns, bridges, inlays, onlays, and veneers
  5. 5. Anatomical crown It is the portion of the toothcovered by enamel, extendingfrom the incisal edge or occlusalSurface to the cervical line.Clinical crown It is the portion of the tooththat extends from the bottom ofthe gingiva to the incisal edge or occlusal surface. On other hand, it is that part of tooth which is visible in the mouth.
  6. 6. It is an artificial replacement(restoration) to a single tooth, which restores the anatomy, the function, and the esthetic of its damaged coronalportion. It is cemented to the tooth bya suitable material (adhesive).There are several types of dental crown…. will be discussed later.
  7. 7.  Called also = Fixed partialDenture It is a fixed restorationwhich replaces one or moremissing teeth. It is cemented to thenatural teeth, roots or fixedwith a screw to an implant. It has 3 components: - Pontic - Connectors - Retainer
  8. 8.  Inlay it is a fixed restoration restoresthe damaged occlusal and proximalsurfaces of the tooth without coveringthe cusps. Onlay it is a fixed restoration that restores thedamaged occlusal and proximal surfaces ofthe tooth, including the cusps.
  9. 9. A thin lamination of a dental material which isbonded to one side of a tooth (usually the sidethat is visible in the smile) to improve itsappearance and/or restore its normal contours.
  10. 10. What are the types of fixedrestorations?Define the following terms: * Inlay * Clinical crown * Fixed partial denture