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European Journal of Prosthodontics and Restorative Dentistry

An Update on the Protocols and Biologic Actions of Platelet Rich Fibrin in Dentistry

Abstract

Implant-supported overdenture is a well-established treatment option for many patients
who have functional problems with conventional dentures. It may be primary
choice for patients with altered jaw anatomy, neuromuscular disorders, pronounced gag
reflex, severe residual ridge resorption and oral tissue defects. In this article we describe
a case report, where tongue cancer patients occlusion was rehabilitated with an implantretained
overdenture. In 2001 patient was operated for squamous cell carcinoma on the
left side of the tongue. Before preoperative radiation therapy, small residual mandibular
dentition was removed because of its poor prognosis. Radiation dose on mandible was
57-66 Gy. After tumor surgery patient received conventional complete dentures. Ten
years later, the patient was referred again to the Turku University Central Hospital due
to constant ulceration under the mandibular denture. The residual ridge of the mandible
was severely resorbed. Patient’s existing lower complete denture was replaced with a
milled bar-retained overdenture on four implants. Treatment turned out to be challenging
due to severely restricted tongue movement and tissue defects.
Keywords
Radiation Therapy
Tongue Cancer
Oral Implant
Overdenture
CAD/CAM Bar

Authors

Dr Rucha Shah, Dr Triveni M G, Dr Raison Thomas, Dr Dhoom Singh MEHTA

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An Update on the Protocols and Biologic Actions of Platelet Rich Fibrin in Dentistry
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The Early Erosive and Abrasive Challenge: A Profilometric, Electron Microscopic and Microhardness Study Using Human, Bovine and Ovine Enamel
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