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Medial Wall Orbital Reconstruction using Unsintered Hydroxyapatite Particles/Poly L-Lactide Composite Implants
Archives of Craniofacial Surgery ; : 125-130, 2015.
Article in English | WPRIM | ID: wpr-9726
ABSTRACT

BACKGROUND:

Poly-L-lactide materials combined with hydroxyapatite (u-HA /PLLA) have been developed to overcome the drawbacks of absorbable materials, such as radiolucency and comparably less implant strength. This study was designed to evaluate the usefulness of u-HA/PLLA material in the repair of orbital medial wall defects.

METHODS:

This study included 10 patients with pure medial wall blow-out fractures. The plain radiographs were taken preoperatively, immediately after, and 2 months after surgery. The computed tomography scans were performed preoperatively and 2 months after surgery. Patients were evaluated for ease of manipulation, implant immobility, rigidity and complications with radiologic studies.

RESULTS:

None of the patients had postoperative complications, such as infection or enophthalmos. The u-HA/PLLA implants had adequate rigidity, durability, and stable position on follow-up radiographic studies. On average, implants were thawed 3.4 times and required 14 minutes of handling time.

CONCLUSION:

The u-HA/PLLA implants are safe and reliable for reconstruction of orbital medial wall in terms of rigidity, immobility, radiopacity, and cost-effectiveness. These thin yet rigid implants can be useful where wide periosteal dissection is difficult due to defect location or size. Since the u-HA/PLLA material is difficult to manipulate, these implants are not suitable for use in complex 3-dimensional defects.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Orbit / Orbital Fractures / Postoperative Complications / Enophthalmos / Follow-Up Studies / Durapatite / Absorbable Implants / Orbital Implants Type of study: Observational study / Prognostic study Limits: Humans Language: English Journal: Archives of Craniofacial Surgery Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Orbit / Orbital Fractures / Postoperative Complications / Enophthalmos / Follow-Up Studies / Durapatite / Absorbable Implants / Orbital Implants Type of study: Observational study / Prognostic study Limits: Humans Language: English Journal: Archives of Craniofacial Surgery Year: 2015 Type: Article