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Prosthodontics lec

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  • 1. ProsthodonticsProsthetics: the art and science of supplying artificialreplacements for missing parts of the human body.Prosthodontics (prosthetic dentistry): Is the dental specialtypertaining to the diagnosis, treatment planning, rehabilitationand maintenance of the oral function, comfort, appearance andhealth of patients with clinical conditions associated with missingor deficient teeth and /or maxillofacial tissues usingbiocompatible substitutes.
  • 2. Dental prosthesis: An artificial replacement of one or more teeth (up to the entire dentition in either arch) and associated dental /alveolar structures. Dental prosthesis: An artificial replacement of one or more teeth (up to the entire dentition in either arch) and associated dental /alveolar structures.Fixed dental prosthesis: Any dental prosthesis that is luted, screwed ormechanically attached or otherwise securely retained to natural teeth, toothroots and /or dental implant abutments that furnish the primary support for thedental prosthesis. This may include replacement of one to sixteen teeth in eachdental arch.
  • 3. Removable dental prosthesis: Any dental prosthesis that replace some or allteeth in a partially dentate arch (partial removable dental prosthesis) oredentate arch (complete removable dental prosthesis). It can be removedfrom the mouth and replaced at will.
  • 4. Objective of complete denture1-Restoration of the function of mastication.2-Restoration of the disturbed facial dimension and contours (esthetics).3-Preservation of the remaining tissues in health.4- Satisfaction, pleasing and comfort of the patient.5-Correction of speech due to the loss of natural teeth.
  • 5. General consideration in complete denture construction1-from the operator:a) Certain degree of diagnosis skills.b) Sound knowledge of biological and mechanical principles to provide apatient with complete denture.c) Certain degree of artistic ability to achieve good esthetic requirements.d) Careful manipulation of dental materials and devices.2-From the patients:a) Co-operation with the dentist.b) Some understanding of the limitation of prosthetic restoration.c)Patience during the construction, learning and adjustment of the newprosthesis.3-From the technician: There should be co-operation between clinical and technical procedure.
  • 6. Complete dentures are composed of thefollowing:1-basal or impression surface: The part of a denture that rests on the foundation tissue (theoral structures available to support a denture ) and to whichteeth are attached.
  • 7. 2-Denture occlusal surface: The portion of the surface of a denture that makescontact with its antagonist.3-Denture polished surface: The portion of the surface of a denture that extends in anocclusal direction from the border of the denture and includesthe palatal surface. It is the part of the denture base that isusually polished, and it includes the buccal and lingual surfacesof the teeth
  • 8. 4-Denture border: The margin of the denture base at the junction of the polishedsurface and the impression surface5-denture flange: The part of the denture base that extends from the cervicalends of the teeth to the denture border.

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