Journal of Oral Implantology April 2013 - (Page 161)

CLINICAL Resonance Frequency Analysis of 208 Straumann Dental Implants During the Healing Period Ahmet Umut Guler, DDS, PhD1* Mahmut Sumer, DDS, PhD2 Ibrahim Duran, DDS, PhD3 Elif Ozen Sandikci, DDS, PhD2 Nazife Tuba Telcioglu, DDS, PhD2 The most important prerequisite for the success of an osseointegrated dental implant is achievement and maintenance of implant stability. The aim of the study was to measure the 208 Straumann dental implant stability quotient (ISQ) values during the osseointegration period and determine the factors that affect implant stability. A total of 164 of the implants inserted were standard surface, and 44 of them were SLActive surface. To determine implant stability as ISQ values, measurements were performed at the stage of implant placement and healing periods by the Osstell mentor. The ISQ value ranges showed a significant increase during the healing period. Except for the initial measurement, the posterior maxilla had the lowest ISQ values, and there was no significant difference among anterior mandible, posterior mandible, and anterior maxilla (P , .05). Implant length did not have a significant influence on ISQ value (P . .05). The second measurement was significantly higher in men compared with women (P , .05). The second measurement was significantly higher than the others at 4.8 mm, and for the final measurement, there were no significant differences between 4.8 and 4.1 mm, which were higher than 3.3 mm (P , .05). When comparing sandblasted, large-grit, acid-etched (SLA) and SLActive surface implants, there were no significant differences for insertion measurements, but for second measurements, SLActive was significantly higher (P ¼ 0), and for the final measurement, there was no significant difference. It appears that repeated ISQ measurements of a specific implant have some diagnostic benefit, and the factors that affect implant stability during the healing period are presented. Key Words: implant stability, ISQ value, resonance frequency analysis, Strauman dental implant INTRODUCTION O sseointegration has been used to define a direct structural and functional connection between ordered living bone and the surface of a loadcarrying implant.1 The stability of a dental implant can be defined as the absence of clinical mobility, and this is also 1 Department of Prosthodontics, Faculty of Dentistry, Istanbul Aydın University, Istanbul, Turkey. 2 Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Ondokuz Mayıs University, Samsun, Turkey. 3 Department of Prosthodontics, Faculty of Dentistry, Ondokuz Mayıs University, Samsun, Turkey. * Corresponding author, e-mail: ahmetguler@aydin.edu.tr DOI: 10.1563/AAID-JOI-D-11-00060 the suggested definition of osseointegration. The most important prerequisite for success of ossointegrated dental implants is achievement and maintenance of implant stability.2 Primary stability is a merely a mechanical phenomenon depending on local bone quality and quantity, surgical preparation technique, and implant design3,4 and one of the most important factors in the osseointegration process. Initial stabilization is not the same as osseointegration; it must carry the implant during the critical time of the early stages in the development of osseointegration, during which the implant is at risk.5 The clinical measurement of implant stability and osseointegration is important to be able to assess success in implant dentistry. It is now Journal of Oral Implantology 161

Table of Contents for the Digital Edition of Journal of Oral Implantology April 2013

Evidence-Based Practice or Practice-Based Evidence?
Evaluation of Optimal Taper of Immediately Loaded Wide-Diameter Implants: A Finite Element Analysis
A Prospective, Randomized Controlled Preclinical Trial to Evaluate Different Formulations of Biphasic Calcium Phosphate in Combination With a Hydroxyapatite Collagen Membrane to Reconstruct Deficient Alveolar Ridges
Retention of Implant-Supported Overdenture With Bar/Clip and Stud Attachment Designs
The Clinical and Histologic Outcome of Dental Implant in Large Ridge Defect Regenerated With Alloplast: A Randomized Controlled Preclinical Trial
Fluoride-Treated Bio-Resorbable Synthetic Hydroxyapatite Promotes Proliferation and Differentiation of Human Osteoblastic MG-63 Cells
Resonance Frequency Analysis of 208 Straumann Dental Implants During the Healing Period
A Simplified Technique for Solving the Transfer Problem of Implant-Supported Fixed Partial Dentures for Patients With Microstomia
Esthetic Evaluation of Single-Tooth Morse Taper Connection Implants Placed in Fresh Extraction Sockets or Healed Sites
A Technique for Improving the Retention of Dentures Retained by Ramus Frame Implants
Treatment of Congenitally Missing Maxillary Lateral Incisors: An Interdisciplinary Approach
Use of Titanium Mesh in Lieu of a Fixation Screw to Stabilize an Autogenous Block Graft: A Case Report
A Novel Approach to Preserve the Buccal Wall in Immediate Implant Cases: A Clinical Report
Implant Failure Associated With Actinomycosis in a Medically Compromised Patient
Replacement of Mandibular Posterior Teeth With Implants in a Postmandibular Resection Case: A Case Report
Zygomatic Implants/Fixture: A Systematic Review
An Overview of Immediate Root Analogue Zirconia Implants
Letter to the Editor
Reviews of Current Literature

Journal of Oral Implantology April 2013

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