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Published byEverett Terry Modified over 9 years ago
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Laboratory stages of manufacture of complete dentures
Laboratory stages of manufacture of complete dentures. Peculiarities of choice of materials for prostheses in patients Gerontological profile.
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Complete Denture
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Complete denture prosthodontics:
involves an artificial replacement of the lost natural dentition and associated structures of the maxilla and mandible for patient who has lost all their remaining natural teeth. Complete denture A removable dental prosthesis that replaces the entire dentition and associated structures of the maxilla or mandible.
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Diagnosis and Treatment Plan
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Complete dentures have three surfaces:
1- The fitting surface. 2- The occlusal surface. 3- The polished surface.
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Tissue Condition Improve Tissue Health
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Clinical and laboratory steps of complete denture construction
1. Examination of the mouth. 2. Preliminary impression making. Pouring of impression to obtain the Construction of special (custom) trays 3. Final impression. Boxing and pouring of the final Construction of recording bases 4. Recording jaw relationships and selection of artificial teeth. Mounting of the models with occlusal rims on articulator. setting-up of teeth and waxing-up. 5. Try-in of the waxed-up denture. Processing of the dentures (flasking, wax elimination, packing, curing, deflasking & polishing 6. Insertion of the finished denture. 7. Post-insertion care.
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Tissue Condition Resilient Liner
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Repair Denture if Necessary
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Preliminary Impressions
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Pour Diagnostic Casts
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Make Custom Trays More Accurate Impressions
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Border Mold Accurate Registration of Peripheries for Retention
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Remove Tray Spacer and Load Impression Material
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Make Final Impression
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Box Impression Stronger cast with peripheries for Processing
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Pour Master Casts
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Record Bases and Occlusion Rims For Making Jaw Relationship Records
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Facebow Record Relates Maxilla to Transverse Hinge Axis
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Mount Maxillary Cast Same Relationship to Transverse Hinge Axis
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Determine Occlusal Vertical Dimension Facial Height/Separation of Dentures
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Centric Relation Registration Ant/Post & Mediolateral Relationships
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Mount Mandibular Cast on Articulator
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Set Anterior and Posterior Teeth in Wax Ability to Visualize and Change Appearance
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Finalize Waxup
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Remove Denture from Articulator Flask for Processing
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Flask Waxup
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Boil Out Wax and Remove Record Bases Teeth Trapped in Stone
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Pack Acrylic Resin Hydraulic Pressure or Injection
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Remount and Adjust for Processing Errors
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Fabricate Remount Index
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Remove From Cast Finish and Polish
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Remount & Adjust Occlusion
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Variations Single Dentures
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Delivery to the patients
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Function of complete denture:
1- Mastication: chew food for swallowing and digestion. 2- Speech (phonetics): the teeth either natural or artificial assist the tongue and lips to form some of the sounds of speech. 3- Appearance (aesthetic): is influence by the shape of jaws together with the position and occlusal relation ship of the teeth. 4- Health of the alveolar bone and the tempro mandibular joints (T.M.J).
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