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Special Issues
July/August 2017
Volume 38, Issue 2

Avoiding a Full Immediate Mandibular Denture Using an Implant-Supported Fixed Prosthesis

Robert A. del Castillo, DMD

An 88-year-old man living overseas came to visit his daughter, a general dentist in South Florida. Several months prior, his general dentist back home had extracted his mandibular right third molar due to extensive submarginal decay. After the extraction, the patient became disconcerted because his existing partial denture was very loose. The original treatment plan was to extract his remaining mandibular left canine and lateral incisor and provide him with an immediate mandibular denture. However, to improve his quality of life, the present author instead recommended an implant-supported fixed overdenture. Because of severe bilateral posterior ridge resorption, implant placement was limited to the mandibular anterior region between both mental foramina. This case demonstrates the use of the LOCATOR F-Tx® Fixed Attachment System (Zest Dental Solutions,, which represents a paradigm shift for fixed-arch implant-supported prostheses.

Key Takeaways

• The LOCATOR F-Tx Fixed Attachment System is delivered in a convenient all-in-one double-ended vial with a sanoprene cap used to deliver the abutment.

• Chairside conversion of an immediate mandibular denture was possible using traditional restorative techniques.

• The final overdenture required no retention screws, with no cement below the gingival tissues or screw-holes to fill.

About the Author

Robert A. del Castillo, DMD
Private Practice Limited to Periodontics
Implant, and Regenerative Therapies
Miami Lakes, Florida

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