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. Prof Dr.Ahlam El-Sharkawy Head of prosthodontic Department Pharos university in Alexandria Pharos university in Alexandria.

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Presentation on theme: ". Prof Dr.Ahlam El-Sharkawy Head of prosthodontic Department Pharos university in Alexandria Pharos university in Alexandria."— Presentation transcript:

1 . Prof Dr.Ahlam El-Sharkawy Head of prosthodontic Department Pharos university in Alexandria Pharos university in Alexandria

2 First stage– Outlining the saddle area. Second stageThe support of the saddles Third stage – The Retention. Fourth stage –Joining the saddles and retainer units. Fifth stage –Indirect retention. Sixth stage– Bracing of the saddles. Seventh stage– Resistance to anteroposterior movement

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5 1-In free end saddle 2-In bounded sad

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8 Free end saddle Away from the saddle Bounded saddle Near the saddle

9 Free end saddle saucer shape preparation Bounded saddle Box shape preparation

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11 Clasping configuration

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15 Aker Clasp Reversed Aker clasp RPA clasp Back-Action clasp Ring Clasp Compound Clasp Multiple Clasp Extended-Arm Clasp

16 The T-Shape The U-Shape The L-Shape The C-Shape RPI Clasp

17 1-The Retentive arm 2-The Reciprocal arm 3-The Occlusal rest 4-The Minor connector

18 1-Ring clasp 2-Gingivally approach 3- Aker clasp

19 1.Reversed Aker clasp

20 2.Back-action clasp

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22 3.R P I CLASP R Mesial rest P Proximal plate I I- bar retentive arm

23 4.Gingivally Approaching Clasp.

24 5.Combination clasp


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