Types of tooth supported Over-dentures

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Introduction • Extraction of teeth followed by continuous ridge resorption & poor denture foundation • Loss of periodontal receptors responsible for proper masticatory function & accurate jaw movements • Retention of few remaining teeth to support denture will preserve alveolar bone & preserve periodontal receptors
Definition of overdentures • Complete or partial denture constructed over existing teeth, roots or implants for providing additional support, stability & retention • Called also: Overlay denture Overlay prosthesis Superimposed prosthesis
Page 1: Prof. Dr. Ahlam El-Sharkawy
Page 5 and 6: Prof. Dr. Ahlam El-Sharkawy
Page 7: Contraindications 1. Mentally or ph
Page 10 and 11: 2- dome shaped abutment with amalga
Page 12 and 13: 4- abutments with telescopic crowns
Page 14 and 15: 6- abutments with simple reduction
Page 16 and 17: Types of tooth supported Over-dentu
Page 18 and 19: Interim overdenture • Used for pa
Page 20 and 21: Attachment retained over-denture
Page 22 and 23: Over-Denture Attachment could be in
Page 24 and 25: 1- Stud attachment • Extra-Radicu
Page 26 and 27: 2-Bar attachment • A bar contoure
Page 28 and 29: B- Bar joints • Resilient attachm

Types of tooth supported Over-dentures

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