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77
An interim denture is used temporarily between the dentulous or partially edentulous state and
placement of the definitive complete-denture prosthesis. According to the Glossary of Prosthodontic
Terms, "an interim prosthesis is a fixed or removable prosthesis, designed to enhance esthetic
stabilization and/or function for a limited period of time, after which it is replaced by a definitive
prosthesis. Such prostheses often assist in determination of the therapeutic effectiveness of a specific
treatment plan or the form and function of the planned definitive prosthesis."
1
Most patients today are not prepared to function without teeth, even for a short time. They usually
insist that the transition from the edentulous to the dentulous condition occur with minimal alterations of
facial profile, speech, and masticatory habits.
2,3
The interim denture has to be physiologic and well tolerated by the patient. Successful interim
dentures must satisfy the following requirements
4
:
1. Compatibility with the surrounding oral environment
2. Restoration of the masticatory efficiency within the possible limits
3. Function in harmony with speech, respiration, and deglutition activities
4. Esthetic acceptability
5. Preservation of the remaining tissues
Interim dentures have advantages and disadvantages.
4,5
The patient does not need to go through a
humiliating edentulous healing period. The denture serves as a bandage or protective splint for the open
wounds, enhancing healing and reducing pain. Speech, deglutition, and mastication are restored much
sooner than if the lips, tongue, and cheeks have not been supported.
6
The patient's appearance is not
affected much because there is less change in muscle and supporting structures and the vertical dimension
is maintained. Teeth in the interim denture can be replaced in the same positions as the natural teeth or
the former prosthesis. There is less difficulty in repositioning the surrounding structure. Lasting stability is
more likely, and tissue resilience is improved.
5
Interim dentures are contraindicated in patients with systemic conditions, such as cardiac
disturbances or endocrine gland disorders, emotionally disturbed individuals, and patients with limited
mental capacity.
3,4
Treatment procedures
Several authors have described techniques for the fabrication and placement of prostheses
immediately after the extraction of the remaining natural teeth.
2,7-15
The choice of denture technique
depends on the clinical situation and the type of patient.
This article describes a method for constructing an interim denture that reproduces the features of
the patient's fixed dentures, thereby satisfying the requirements described earlier.
An interim denture is used temporarily between the dentulous or partially edentulous state and placement of the definitive complete-denture prosthesis. According to the Glossary of Prosthodontic Terms, "an interim prosthesis is a fixed or removable prosthesis, designed to enhance esthetic stabilization and/or function for a limited period of time, after which it is replaced by a definitive prosthesis. Such prostheses often assist in determination of the therapeutic effectiveness of a specific treatment plan or the form and function of the planned definitive prosthesis."1 Most patients today are not prepared to function without teeth, even for a short time. They usually insist that the transition from the edentulous to the dentulous condition occur with minimal alterations of facial profile, speech, and masticatory habits.2,3 The interim denture has to be physiologic and well tolerated by the patient. Successful interim dentures must satisfy the following requirements4: 1. Compatibility with the surrounding oral environment 2. Restoration of the masticatory efficiency within the possible limits 3. Function in harmony with speech, respiration, and deglutition activities 4. Esthetic acceptability 5. Preservation of the remaining tissues Interim dentures have advantages and disadvantages.4,5 The patient does not need to go through a humiliating edentulous healing period. The denture serves as a bandage or protective splint for the open wounds, enhancing healing and reducing pain. Speech, deglutition, and mastication are restored much sooner than if the lips, tongue, and cheeks have not been supported.6 The patient's appearance is not affected much because there is less change in muscle and supporting structures and the vertical dimension is maintained. Teeth in the interim denture can be replaced in the same positions as the natural teeth or the former prosthesis. There is less difficulty in repositioning the surrounding structure. Lasting stability is more likely, and tissue resilience is improved.5 Interim dentures are contraindicated in patients with systemic conditions, such as cardiac disturbances or endocrine gland disorders, emotionally disturbed individuals, and patients with limited mental capacity.3,4 Treatment procedures Several authors have described techniques for the fabrication and placement of prostheses immediately after the extraction of the remaining natural teeth.2,7-15 The choice of denture technique depends on the clinical situation and the type of patient. This article describes a method for constructing an interim denture that reproduces the features of the patient's fixed dentures, thereby satisfying the requirements described earlier. 77
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