Relining involves resurfacing the intaglio of a removable dental prosthesis with a new base material to improve adaptation to the denture foundation area. Rebasing replaces the entire denture base material on an existing prosthesis. Relining is indicated when adaptation is poor, for cost savings over new dentures, or to reduce stress for geriatric or chronically ill patients. It can improve fit and tissue health but cannot correct occlusal or aesthetic issues or excessive ridge resorption. Relining procedures include static, functional, and chairside clinical methods and flask, articulator, and jig laboratory methods.

1. RELINING REBASING
1
DR VEENA SARAF

2. Definitions
 Reline :-The procedures used to resurface the intaglio of a
removable dental prosthesis with a new base material, thus
producing an accurate adaptation to the denture foundation area.
 Rebase:- The laboratory process of replacing the entire denture
base material on an existing prosthesis
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GPT 9

3. Definitions…
 Relining: it is the process of adding some material to
the tissue side of denture to fill the space between the
tissue and the denture base.
 Rebasing: it is the process of replacing all the base
material of a denture.
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Sheldon Winkler, Essentials Of Complete denture Prosthodontics ,Third Edition , 341-354

4.  Chief complaint:
Include looseness, soreness , chewing inefficiency
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5. Special consideration:-
 Vertical dimension
 Centric occlusion should coincide with centric relation
 The size, shape, shade, and arrangement of the artificial
teeth must be satisfactory.
 The oral tissues should be in optimum health.
 The posterior limit of the maxillary denture is correct
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6.  Residual ridge resorption.
 Changes in basal seat tissue
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7. Indications
 Immediate dentures at 3 to 6 months
 Adaptation of the dentures to the ridges is poor
 Cost of new dentures
 Physical or mental stress such as for geriatric or
chronically ill patients.
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8. Contraindications
 Excessive amount of resorption
 When abused soft tissues are present.
 When the patient complains of T.M.J problems.
 Poor esthetics and Unsatisfactory jaw relationships.
 Speech problem
 Severe osseous undercuts
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9. Advantages
 Eliminates frequency of patient visits.
 Economical for the patient.
 Improves fit of the denture.
 A soft liner incorporated restores the health of soft tissues.
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10. Disadvantages
 Likelihood of altering the jaw relationship during the process.
 Cannot correct aesthetics or jaw relations.
 Cannot correct occlusal problems
 Cannot be used when excessive resorption has occurred.
 Hence it cannot be a substitute for a New denture.
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11. RELINING PROCEDURES
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CLINICAL
PROCEDURES
LABORATORY
PROCEDURES
1. Static Method
A . Closed mouth
technique
B . Open mouth
technique
2. Functional Method
3. Chair Side
Technique
1. Articulator Method
2. Jig Method
3. Flask Method

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16. Chair side relining
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17. Mix the relining or impression material according to the
manufacturer’s instructions.
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19. Laboratory procedures
 Flask method
 Articulator method
 Jig method
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20. Flask method
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24. Articulator method
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29. Jig method
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30. RELINING PROCEDURES
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CLINICAL
PROCEDURES
LABORATORY
PROCEDURES
1. Static Method
A . Closed mouth
technique
B . Open mouth
technique
2. Functional Method
3. Chair Side
Technique
1. Articulator Method
2. Jig Method
3. Flask Method

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32. “Our country requires heroes; be heroes;
your duty is to go on working, and then
everything will follow of itself”