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 »  Home  »  Dental Implant 2
Dental Implant 2

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» A Survey Of Clinical Members Of The Association Of Dental Implantology in the United Kingdom. Part II. The Use Of Augmentation Materials In Dental Implant Surgery
By JDI editor | Published 03/7/2009 | Dental Implant 2 | Unrated
M. P. J. Young, BDS
P. Sloan, BDS, PhD, FRCPath, FDSRCS(Eng)
A. A. Quayle, LDS, FDSRCS(Eng), PhD
D. H. Carter, BSc, MPhil, PhD
Units of Oral Surgery and Oral Pathology, Turner Dental School and Hospital, University of Manchester, Manchester, England, UK.

This survey shows that a wide range of materials is used in the United Kingdom for bone augmentation in relation to oral implantology, and it is reassuring that long-term survival rates for implants inserted into sites that have been augmented are high. In the first instance, there is a pressing requirement for a systematic review to be carried out with regard to the efficacy of autogenous bone and DFDB in this context. However, it remains apparent that RCTs (including clinical and histological outcomes) are required to compare the long-term success rates for implants inserted into sites grafted with different augmentation materials. Until the evidence base for augmentation materials in oral implantology is clearly established, the choice of an augmentation material will remain heavily influenced by the training, experience, and preferences of the individual clinician30 and presumably by the effects of marketing by companies that produce augmentation materials.
» Effect of Biofluid Environment on the Dissolution and Flexural Strength of Calcium Phosphate Bone Cements
By JDI editor | Published 03/5/2009 | Dental Implant 2 | Unrated
SA Bender (BA), Dental student, University of Texas Health Science Center at San Antonio, School of Dentistry, San Antonio, TX, USA.
JP Schmitz (DDS, PhD), Associate Professor, Department of Oral and Maxillofacial Surgery, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
JL Ong (PhD), Associate Professor, Department of Restorative Dentistry, Division of Biomaterials, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.

As observed in this study, there was a continual increase in Ca21 and P51 dissolution detected in all three test media throughout the 21 days. No statistical difference in overall Ca21 release in the three different media was observed. However, the P51 release from Tris solution and fetal bovine serum solution was significantly higher than the P51 release from tissue fluid substitute. In addition, no significant difference in transverse strength was observed for samples immersed in the three solutions during the 21-day period. However, the transverse strength for immersed bars at 37°C was statistically greater than the transverse strength for non-immersed bars. Thus, it was concluded from this study that the dissolution of Ca21 from CaP bone cements was independent of the dissolution media, whereas P51 release was dependent on the constituents of the dissolution media. It was also concluded from this study that the transverse strength of the CaP bone cements was not significantly affected by the dissolution process but by the temperature at which the bone cement was exposed.
» Comparison of Anorganic Bovine Mineral With and Without Synthetic Peptide in a Sinus Elevation
By JDI editor | Published 03/3/2009 | Dental Implant 2 | Unrated
Dennis G. Smiler (DDS, MScD)
Private practice, Encino, California. USA.

The sinus elevation procedure has evolved over the years as one of the most predictable and dependable procedures done to increase the volume of bone allowed for acceptable implant placement. With the introduction of new tissue-engineered bone replacement graft materials, there is an increased confidence in attaining a bone foundation into which implants can be inserted in a shorter period of time.
» Bone Interface of Dental Implants Cytologically Influenced by a Modified Sandblasted Surface: A Preliminary In Vitro Study
By JDI editor | Published 03/3/2009 | Dental Implant 2 | Unrated
Dehua Li (MD, DDS, PhD), Associate Professor, Department of Oral and Maxillofacial Surgery, Qindu Stomatological College, Xian, China.
Baolin Liu (DM, DDS), Professor and Chairman, Craniofacial Implant Center, Qindu Stomatological College, Xian, China.
Junzheng Wu (DM, DDS), Professor and Chairman, Department Of Oral Biology, Qindu Stomatological College, Xian, China.
Jianyuan Chen (Technician), Technician, Department Of Oral Biology, Qindu  Stomatological College, Xian, China.

In this study, a three-dimensional cell culture model was applied to study the biological interaction between bone and implants on the cytological scale. It reveals at this in vitro level that the rough surface created by the modified sandblasting surface treatment can induce a real perpendicularly connecting bone-fiber osseointegration that might favor the interfacial biomechanics of implants and at the same time enhance the functions of osteoblasts.
» Experimental Study of Bone Response to a New Surface Treatment of Endosseous Titanium Implants
By JDI editor | Published 09/29/2008 | Dental Implant 2 | Unrated
Antonio Sanz R., DDS
Periodontist, Adjunct Professor in Oral Implantology, and Director of the Postgrade in Oral Implantology, Odontology Faculty, University of Chile, Santiago, Chile.

Alejandro Oyarzun, DDS
Biochemical and Oral Biology Unit, Odontology Faculty, University of Chile, Santiago, Chile.

Daniel Farias, DDS, Ivan Diaz, DDS
Specialist in oral implantology, Odontology Faculty, Postgraduate School, University of Chile, Santiago, Chile.

This experimental research shows the biocompatibility of Restore RBM implants (Lifecore Biomedical) at the light microscopy level. It leads to the proposal that a new process be used to create a textured surface. Knowledge about the clinical benefits of the roughness of titanium root-form surfaces is expanding. Future mechanical trials are needed to support the hypothesis that the strength of the interface between bone and implant is improved.


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