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Fresh extraction socket: spontaneous healing vs. immediate implant placement
Nicola Discepoli1, Fabio Vignoletti1, Luigi Laino2
1Postgraduate Periodontology, University Complutense of Madrid, Madrid, Spain.
Clinical Oral Implants Research
|July 22, 2014
Summary
Immediate implant placement in extraction sockets may negatively impact bone healing. This can lead to significant vertical bone loss and increased resorption, particularly on the buccal aspect of the bone crest.
Area of Science:
- Dental Implantology
- Bone Remodeling
- Periodontology
Background:
- Immediate implant placement is a common procedure.
- Understanding its effect on bone healing is crucial for long-term success.
Purpose of the Study:
- To compare bone remodeling after immediate implant placement versus spontaneous socket healing.
- To evaluate vertical bone changes and crestal width reduction.
Main Methods:
- A beagle dog model was used with 16 dogs.
- Implants were placed in distal sockets (test), while mesial sockets healed spontaneously (control).
- Bone dimensions were measured at five healing periods.
Main Results:
- Immediate implant sites showed significantly greater vertical bone loss (B'L' distance) compared to controls.
- Test sites experienced a 62% reduction in crestal width by 8 weeks.
- Control sites did not exhibit significant bone width reduction.
Conclusions:
- Immediate implant placement may compromise vertical bone remodeling.
- Increased buccal bone resorption was noted with immediate implants.

