Dentaltown August 2014 - (Page 54)
implant
feature
by Ara Nazarian, DDS, DICOI
Dental implants have been successfully used to restore
edentulous mandibles with implant-supported fi xed bridges,
hybrid prosthetic dentures and removable overdenture prosthetics. However, many completely edentulous patients desire
a fi xed restoration rather than a removable prosthesis. A fi xed
restoration provides the psychological advantage of acting and
feeling similar to natural teeth, whereas an overdenture, even if
fully implant supported, remains a removable prosthesis.1 This
article focuses on the techniques implemented when restoring a
patient with a fi xed lower bridge supported by implants.
A female patient presented to the office with an existing set
of dentures that were about 2 3 years old. Her chief complaint
was that her mandibular denture was very loose and painful,
even though it had been relined multiple times over several years.
The patient was evaluated preoperatively with respect to jaw
size, bone quality and volume, jaw relations, maxilla-mandibular distance and occlusion. Preoperative analysis of the anatomic
conditions was performed with a CT scan (i-CAT). U pon clinical
examination and radiographic interpretation, the anterior mandibular ridge had severe undercuts (Fig. 1 ) as well as posterior
bone loss that would prevent dental implant placement without
extensive block grafting. She had already consulted with other dentists and specialists about dental implant options prior to
presenting to my office, but was not satisfied with the treatment
duration and prognosis regarding block grafting. Although block
grafts (and other non-block grafts) represent the accepted treatment standard for fortifying or augmenting bone tissue, there is
another method for creating a foundation of adequate width and
1. Contemporary Implant Dentistry, Third Edition. Carl E. Misch. Mosby. Pages 327-364. 2008.
continued on page 56
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AUGUST 2014 » dentaltown.com
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Table of Contents for the Digital Edition of Dentaltown August 2014
Dentaltown.com Highlights
Howard Speaks: And the Band Played On... Again
Professional Courtesy: You’re Doing it Wrong
Continuing Education Update
Overtreatment
All on 7, but Only 6 Used for Provisional
Needle Stick Protocol
Shade Matching Single Units
The D-Word
Continuing Education: I Like Big Abutments (and I Cannot Lie)
Guided Bone Leveling for Optimum Implant Results
Application of Extra-oral Infraorbital Nerve Block in Implant for Upper Anterior Region
Product Profile: MIS Implants
Drs. Dennis and Marie Stiles
Design Solutions for Restorative Artistry
Imaging in Missing Laterals Case
Maximizing Effi ciency and Flexibility with an Open-architecture Scanner
You Should Know: Mouth Monsters
You Should Know: GumChucks
Continuing Education: Emergency Medications Every Dentist Should Know
Ad Index
New Products
Industry News
Perio Reports
Perio Program Series Step 4: Implement the Plan
Dentally Incorrect
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