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Case Reports
. 2024 Mar 7:16:43-52.
doi: 10.2147/CCIDE.S453798. eCollection 2024.

"Compression Necrosis" - A Cause of Concern for Early Implant Failure? Case Report and Review of Literature

Roshni Ramesh #  1 , Anoop Sasi #  1 , Shahana C Mohamed  1 , Sonia P Joseph  1
Affiliations
Case Reports

"Compression Necrosis" - A Cause of Concern for Early Implant Failure? Case Report and Review of Literature

Roshni Ramesh et al. Clin Cosmet Investig Dent. .

Abstract

Purpose: Compression necrosis refers to bone tissue damage that can occur when excessive pressure or force is applied to surrounding bone during implant placement. This pressure can compromise blood supply to the bone, leading to necrosis. Compression necrosis is a concern, because it can affect the stability and long-term success of dental implant.

Patients and methods: This case report highlights a case of early bone loss and implant failure possibly due to compression necrosis. Clinical data, photographs, radiographs, blood examination report and histology were presented to document the early failure of an implant placed in the mandibular left posterior region of a 33-year-old female patient.

Results: Radiograph taken six weeks after implant placement showed severe angular defect. Therefore, the implant was surgically removed. Histological examination of the area showed bony trabeculae with an absence of osteoblastic riming, suggestive of necrotic bone.

Conclusion: Using excessive torque values when placing implants in dense bones can increase the risk of implant failure due to bone over compression. Dental professionals must follow the manufacturer's instructions and employ quality surgical techniques during implant placement into dense cortical bone to minimise risks.

Keywords: bone loss; dental implants; implant failure; necrosis.

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Conflict of interest statement

The authors declare that they have no competing interests for this work.

Figures

Figure 1
Figure 1
Radiograph of implant placed in relation to #30.
Figure 2
Figure 2
Pre-operative CBCT #19 region.
Figure 3
Figure 3
Implant Surgery (A) pre-operative view (B) Incision placed and flap reflected (C) After osteotomy (D) Parallel pin placed (E) Implant placed (F) Sutures given.
Figure 4
Figure 4
Radiographs (A) immediate post operative (B) 6 weeks post operative radiograph showing angular defect around implant.
Figure 5
Figure 5
Implant site reopened (A) Incision placed (B) flap reflected and implant exposed. Note the granulation tissue around implant. (C) Implant removed (D) flap closed and sutures placed.
Figure 6
Figure 6
Fixture removal kit.
Figure 7
Figure 7
Histology of biopsy specimen showing non-viable bone (A and B). Note the bony trabeculae with absence of osteoblastic riming and the lacunae devoid of osteocytes (arrow heads). (Haematoxylin and eosin, original magnification X 40).
See this image and copyright information in PMC

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