1. FIXED PROSTHODONTICS ( CROWN & BRIDGE )
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2. DEF. Art and science of restoring damaged teeth with cast metal, metal-ceramic, or all-ceramic restorations.
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3. Replacement and restoration of teeth by artificial substitutes that are not readily removable from the mouth. Its focus is to restore function, esthetics, and comfort.
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4. RESTORATION 1. Extracoronal : A. Full metal crown. B. Partial crown. C
RESTORATION 1. Extracoronal : A. Full metal crown. B. Partial crown. C. Veneer. 2. Intracoronal : A. Inlay. B. Onlay. 3. Intra and extracoronal : Post and core
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8. A crown : is a cemented extracoronal restoration that covers, or veneers, the outer surface of the clinical crown. It should reproduce the morphology and contours of the damaged coronal portions of a tooth while performing its function. It should also protect the remaining tooth structure from further damage.
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12. Full or complete veneer crown covers all of the clinical crown
Full or complete veneer crown covers all of the clinical crown. It may be fabricated from: metal (gold alloy) ceramic veneer fused to metal(PFM), an all-ceramic resin and metal resin only. Partial veneer crown only portions of the clinical crown are veneered
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27. Fixed partial denture : ( Bridge ) is a prosthetic appliance, permanently attached to remaining teeth, which replaces one or more missing teeth
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33. treatment can range from the restoration of a single tooth to the rehabilitation of the entire occlusion.
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34. Abutment: A tooth serving as an attachment for a fixed partial denture
Abutment: A tooth serving as an attachment for a fixed partial denture. Pontic : The artificial tooth suspended from the abutment teeth. The pontic is connected to the fixed partial denture retainers: extracoronal restorations that are cemented to the prepared abutment teeth connectors: connect pontic to retainer
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36. Abutments
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37. Retainers
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38. Connectors
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39. Edentulous Ridge
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55. One or two adjacent teeth are missing in the same arch.
Indications
One or two adjacent teeth are missing in the same arch.
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56. 1- when one or more teeth require removal or missing.
To restore appearance and maintain stable occlusion, esthetics and function.
2 - The supportive tissues are healthy.
3 - Whenever properly distributed and healthy teeth exist to serve as Suitable abutment .
4 – Prevention of the consequences of not replacing missing tooth
5 - The patient is in good health and wants to have the prosthesis placed.
6 - The patient has the skills and motivation to maintain good oral hygiene.
Diseases
Diseases: mentally and physically compromised patient.
Epilepsy.
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57. The consequences of removal without replacement:
Supra occlusion of the opposing tooth or teeth
Tilting of the adjacent teeth
Loss of proximal contact
Esthetics
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60. Contraindications for Fixed Prosthodontics
Necessary supportive tissues are diseased or missing.
Suitable abutment teeth are not present.
The patient is in poor health.
The patient is not motivated to have the prosthesis placed.
The patient has poor oral hygiene habits.
The patient cannot afford the treatment.
The patient age.
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61. Advantage of replacing missing teeth
Appearance
Ability to eat
Speech
Periodontal splinting
A feeling of completeness
Orthodontic retention
Restoring occlusal vertical dimension
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62. Disadvantage of replacing missing teeth
Damage to tooth and pulp
Secondary caries
Failures
Effects on the periodontium
Cost and discomfort
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63. Retainers
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64. Standard Full Gold Crown 3/4 Gold Crown 7/8 Gold Crown
Porcelain Fused To Metal
Combination
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65. 3/4 Gold Crown Facial wall unprepared
Facial cusp minimally reduced occlusally
Grooves placed to prevent lingual displacement of crown
Minimal facial extension interproximally
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66. Non Standard Implant Inlay Onlay Cantilever All Ceramic Pier Abutment
Resin Bonded (“Maryland Bridge”)
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67. Types of Bridge Bridge Design Conventional Adhesive Hybrid Fixed-fixed
Fixed-moveable
Cantilever
Spring cantilever
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68. Fixed/fixed bridge
definition A prosthesis where the artificial tooth or teeth is supported rigidly on either side by one or more abutment teeth
( Rigid connector at both end of the pontic.)
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69. Fixed/fixed bridge Indications Procedure Where missing units are
bound by abutment teeth
which are capable of
supporting the functional
load of the missing teeth.
Procedure
The abutment teeth are
prepared with parallel
taper
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71. Fixed/fixed bridge Advantages Disadvantages. strong and retentive
It can be used
for single or multiple missing units .
Disadvantages.
requires the
preparation of the
abutment teeth to be
parallel
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74. ( Rigid connector at one end, a movable connector at the other end)
Fixed/movable bridge
A prosthesis where the artificial tooth or teeth is rigidly supported on one side, usually the distal end by one or more abutment teeth
( Rigid connector at one end, a movable connector at the other end)
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76. Fixed/movable bridge Indications Procedure Where abutment teeth
are tilted or rotated in
relation to each
other
The construction of
large units of
bridgework
Procedure
Each abutment tooth
can be prepared
independently although
special consideration
should be given to the
placement of the movable
joint.
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77. Divergent abutments can be used
Fixed/movable bridge
Advantages
Divergent abutments can be used
more conservative of tooth structure.
The parts can be cemented separately.
Disadvantages.
more demanding
of laboratory time
The construction of a temporary bridge difficult.
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78. GIVE THE NAME OF THE RESTORATION?
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79. Cantilever bridge
A prosthesis where the artificial tooth or teeth are supported on one side only by one or more abutment teeth
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80. Cantilever bridge Indications Procedure
Where the abutment tooth can carry the occlusal load of the artificial tooth
where the occlusion
is protected against potentially damaging rotational forces.
Procedure
A single tooth preparation is carried out on to the
abutment tooth in a similar manner to a
conventional crown preparation.
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81. The most conservative design
Cantilever bridge
Advantages
The most conservative design
There is no problem of paralleling abutment
teeth during preparation.
Disadvantages.
The size of pontic is limited to one or two units
I f a contact point from the pontic to the neighboring tooth is not placed then potentially rotational forces could be destructive to this type of design.
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83. Spring cantilever bridge
A prosthesis where the artificial tooth is Supported by a connecting bar to the abutment tooth or teeth.
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84. Spring cantilever bridge
Indications
This type of restoration is placed where a patient has sound anterior teeth with one missing unit
where diastemas are present around an anterior missing unit.
Procedure
Posterior teeth are
prepared for the
support of the anterior
missing unit.
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86. Spring cantilever bridge
Advantages
Anterior teeth are not involved.
Diastemas can be preserved.
Disadvantages.
Some patients find the connecting palate uncomfortable.
The bar may distort if it is too thin or the
occlusion on the pontic is excessive.
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