improvingdenture bearing foundation
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Transcript of improvingdenture bearing foundation
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IN THE NAME OF GOD
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Zarb-Ch: 5, page: 77-91
Improving denture_bearing foundations for
edentulous patients
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1. Preprosthetic nonsurgical methods
2. Preprosthetic surgical methods
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1. PREPROSTHETIC NONSURGICAL METHODS
Managing traumatized tissues
Occlusal correction
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Managing traumatized tissues:
Removal of dentures from the mouth:
48- 72 h before impression
24 h before each appiontment
Temporary soft liners
(finger or toothbrush massage, esp. in edematous and
enlarged tissues)
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Occlusal correction
First determine an optimal VDO (ridge relations
are improved)
Occlusal adjustment
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2. PREPROSTHETIC SURGICAL METHODS
A. Conditions that preclude optimal prosthetic
function:
1) Hyperplastic ridge, Epulis fissuratum, Papillomatosis
2) Frenullar attachment, Pendulous maxillary toberosity
3) Bony prominences, Undercuts, Spiny ridge, Tori
4) Pressure on mental foramen
5) Ridge parallelism
B. Enlargement of denture-bearing areas:
A. Vestibuloplasty
B. Ridge augmentation
C. Discrepancies in jaw size
D. Replacement of tooth roots with osseointegrated
dental implants
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1. Hyperplastic ridge, Epulis fissuratum, Papillomatosis
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Frenullar attachment, Pendulous maxillary toberosity
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Bony prominences, Undercuts, Spiny ridge, Tori
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Pressure on mental foramen
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Spiny ridge
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B. ENLARGEMENT OF DENTURE-BEARING AREAS:
VESTIBULOPLASTY
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B. ENLARGEMENT OF DENTURE-BEARING AREAS:
RIDGE AUGMENTATION
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REPLACEMENT OF TOOTH ROOTS WITH
OSSEOINTEGRATED DENTAL IMPLANTS
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