Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Huge success with directly loaded implants in the mouth

14.12.2007
In the near future toothless patients will no longer have to wait several months for ordinary titanium implants to heal. Nearly every one of 450 patients who had bridges anchored in their implants had immediate success. This is reported in a dissertation from the Sahlgrenska Academy in Sweden.

Most patients who have titanium implants in their mouth have to wait between four and seven months before the implant is considered stable enough for crowns or bridges to be secured in the screw.

"Many people feel physically and psychologically handicapped by their toothlessness, and it would mean a great deal to patients if they didn't have to wait so long for the treatment to be completed," says Pär-Olov Östman, the dentist who authored the dissertation.

The studies used the same type of dental implants that normally need to heal properly before they can be loaded. A total of 457 patients had bridges anchored in their implants within 24 hours of receiving the implant. When the patients were followed up more than a year after treatment, 98 percent of all direct-loaded implants in the lower jaw were successful. In upper jaws that were previously completely toothless, 99 percent of the treatments succeeded.

"To attain such results the dentist has to do a good job, and there are several factors to take into consideration before choosing to immediately load the implant. I would say that several more years of research is needed before directly loaded implants can be the normal treatment for toothlessness," says Pär-Olov Östman.

All types of dental implants are not suitable for direct loading, however. For patients who received Nobel Direct implants, many of the treatments failed.

There are patients who cannot take a direct-load implant. The dissertation shows that these patients can be given an extra temporary implant that is smaller and narrower than the permanent one and can be used to secure prostheses while the permanent implant heals. Pär-Olov Östman also developed a rapid method for dentists to create temporary bridges on implants in the mouth.

"It takes only a half hour for the dentist to create a temporary bridge. It's fast, and it's a lot cheaper for the patient than the robust bridges that dental laboratories produce, but they don't hold up quite as well," says Pär-Olov Östman.

FACTS ABOUT DENTAL IMPLANTS

The implant is a kind of artificial tooth root made of titanium. The titanium screw is operated into the jawbone and heals there for use as an anchor for crowns, bridges, and prostheses. The method was devised by Professor Per-Ingvar Brånemark at the Sahlgrenska Academy in the 1960s. There are several types of titanium fixtures, but they are all based on the fact that titanium metal has the unique capacity to integrate with bone.

Dissertation for doctoral degree in odontology at the Sahlgrenska Academy, Department of Clinical Sciences, Section for Biomaterials Science
Title of dissertation: On various protocols for direct loading of implant-supported fixed prostheses

The dissertation will be publicly defended on Friday, December 21, at 1:00 p.m., Section for Biomaterials Science, Medicinaregatan 8B, 4th floor, Göteborg.

For more information, please contact: Pär-Olov Östman, DDS, cell phone: +46 (0)70-247 89 50, e-mail: po@holmgatan.se Supervisor: Professor Lars Sennerby, phone: +46 (0)31-786 29 65, e-mail: lars.sennerby@biomaterials.gu.se

Elin Lindström Claessen | idw
Further information:
http://www.vr.se

More articles from Health and Medicine:

nachricht Correct connections are crucial
26.06.2017 | Charité - Universitätsmedizin Berlin

nachricht One gene closer to regenerative therapy for muscular disorders
01.06.2017 | Cincinnati Children's Hospital Medical Center

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Can we see monkeys from space? Emerging technologies to map biodiversity

An international team of scientists has proposed a new multi-disciplinary approach in which an array of new technologies will allow us to map biodiversity and the risks that wildlife is facing at the scale of whole landscapes. The findings are published in Nature Ecology and Evolution. This international research is led by the Kunming Institute of Zoology from China, University of East Anglia, University of Leicester and the Leibniz Institute for Zoo and Wildlife Research.

Using a combination of satellite and ground data, the team proposes that it is now possible to map biodiversity with an accuracy that has not been previously...

Im Focus: Climate satellite: Tracking methane with robust laser technology

Heatwaves in the Arctic, longer periods of vegetation in Europe, severe floods in West Africa – starting in 2021, scientists want to explore the emissions of the greenhouse gas methane with the German-French satellite MERLIN. This is made possible by a new robust laser system of the Fraunhofer Institute for Laser Technology ILT in Aachen, which achieves unprecedented measurement accuracy.

Methane is primarily the result of the decomposition of organic matter. The gas has a 25 times greater warming potential than carbon dioxide, but is not as...

Im Focus: How protons move through a fuel cell

Hydrogen is regarded as the energy source of the future: It is produced with solar power and can be used to generate heat and electricity in fuel cells. Empa researchers have now succeeded in decoding the movement of hydrogen ions in crystals – a key step towards more efficient energy conversion in the hydrogen industry of tomorrow.

As charge carriers, electrons and ions play the leading role in electrochemical energy storage devices and converters such as batteries and fuel cells. Proton...

Im Focus: A unique data centre for cosmological simulations

Scientists from the Excellence Cluster Universe at the Ludwig-Maximilians-Universität Munich have establised "Cosmowebportal", a unique data centre for cosmological simulations located at the Leibniz Supercomputing Centre (LRZ) of the Bavarian Academy of Sciences. The complete results of a series of large hydrodynamical cosmological simulations are available, with data volumes typically exceeding several hundred terabytes. Scientists worldwide can interactively explore these complex simulations via a web interface and directly access the results.

With current telescopes, scientists can observe our Universe’s galaxies and galaxy clusters and their distribution along an invisible cosmic web. From the...

Im Focus: Scientists develop molecular thermometer for contactless measurement using infrared light

Temperature measurements possible even on the smallest scale / Molecular ruby for use in material sciences, biology, and medicine

Chemists at Johannes Gutenberg University Mainz (JGU) in cooperation with researchers of the German Federal Institute for Materials Research and Testing (BAM)...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Plants are networkers

19.06.2017 | Event News

Digital Survival Training for Executives

13.06.2017 | Event News

Global Learning Council Summit 2017

13.06.2017 | Event News

 
Latest News

Predicting eruptions using satellites and math

28.06.2017 | Earth Sciences

Extremely fine measurements of motion in orbiting supermassive black holes

28.06.2017 | Physics and Astronomy

Touch Displays WAY-AX and WAY-DX by WayCon

27.06.2017 | Power and Electrical Engineering

VideoLinks
B2B-VideoLinks
More VideoLinks >>>