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Planning the design for removable partial dentures (part 2)

Planning the design for removable partial dentures (part 2). . Prof Dr.Ahlam El-Sharkawy Pharos university in Alexandria. 4- Joining the saddles and retainer units. :Joining the saddles and retainer units. Mandible 1. Lingual Plate Major Connector 2. Lingual Bar Major Connector.

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Planning the design for removable partial dentures (part 2)

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  1. Planning the design for removable partial dentures (part 2) . Prof Dr.Ahlam El-Sharkawy Pharos university in Alexandria

  2. 4- Joining the saddles and retainer units

  3. :Joining the saddles and retainer units Mandible 1. Lingual Plate Major Connector 2. Lingual Bar Major Connector

  4. 3. Double lingual bar

  5. Joining the saddles and retainer units Maxilla Ring design

  6. Palatal horseshoe Palatal strap

  7. Fifth stage Indirect Retainers

  8. Factors influencing effectiveness of indirect retainer: • 1-Distence from the fulcrum line, • 2-Effectiveness of tooth support. • 3-Effectiveness of direct retainers. • 4-Regidity of the connector supporting the indirect retainer. • 5- Indirect retainer must be rigid.

  9. Resistance: means resistance to antero-posterior movement. In the mandible It come from… • Posterior slope of retromolar area. • Mesialy placed occlusal rest. • Embrassure hook. • In Maxilla: • It come from… • ------------------- • 1-Posterior placed occlusal rests. • 2 – Anterior slop of the palate

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