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Implant-supported maxillary overdentures: outcome in planned and emergency cases
S Palmqvist1, K Sondell, B Swartz
1Department of Prosthestics, Postgraduate Dental Education Center, Orebro, Sweden.
Summary
Maxillary implant-supported overdentures show higher success rates in planned cases compared to emergency situations. Emergency cases experienced significantly more implant loss, impacting overdenture survival.
Area of Science:
- Dentistry
- Oral Implantology
- Prosthodontics
Background:
- Maxillary implant-supported overdentures are utilized in specific clinical scenarios.
- These include planned cases where fixed prostheses are not feasible and emergency cases due to implant loss during healing.
Purpose of the Study:
- To retrospectively evaluate the survival rates of maxillary implant-supported overdentures.
- To compare outcomes between planned and emergency treatment groups.
Main Methods:
- A retrospective study of 25 cases at a Postgraduate Dental Education Center.
- Categorization into planned and emergency groups based on initial treatment goals and implant status.
Main Results:
- Implant loss was significantly higher in the emergency group (72%) compared to the planned group (7%).
- Overdenture survival without implant loss differed significantly between the groups (P = .00).
Conclusions:
- Maxillary implant-supported overdentures have a considerably better prognosis in planned cases.
- Emergency use of overdentures is associated with a substantially higher risk of implant failure.