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> OOKP is a surgical procedure used to restore vision in patients with severe corneal blindness, where traditional corneal transplant is not possible. It involves using a patient's own tooth and surrounding bone to create a permanent artificial cornea.
> Procedure:
> Tooth extraction:
A healthy, single-rooted tooth is extracted from the patient.
> Tooth preparation:
The tooth is shaped and coated with an optical material (e.g., polymethyl methacrylate) to create an artificial cornea.
> Bone preparation:
A small block of bone is harvested from the jaw around the extracted tooth.
> Implantation:
The artificial cornea and bone block are implanted into the eye, replacing the damaged cornea.
> Benefits:
Provides a permanent, functional artificial cornea
Restores vision in severe cases of corneal blindness. Uses the patient's own tissues, reducing the risk of rejection
> Risks and Complications:
Infection, Extrusion of the implant, Glaucoma, and Dental problems (loss of the donor tooth).
> Considerations:
OOKP is a complex and invasive procedure that requires a multidisciplinary team of ophthalmologists, dentists, and surgeons.
It is not suitable for all patients with corneal blindness.
> The long-term success rate of OOKP is variable, but can be as high as 80% in some studies.
Conclusion:
> OOKP is a surgical option for patients with severe corneal blindness who are not candidates for traditional corneal transplant. It offers a permanent solution to restore vision, but it is a complex procedure with potential risks and complications that should be carefully considered.