Implant Site Reaction Clinical Trial
Official title:
Primary Implant Stability of Laser Surface Treated Versus Sand Blasted/Acid Etched Surface Treated Implants in Fresh Extraction Sockets: A Randomized Clinical Trial
Commercially available implant surfaces are moderately roughened surfaces and they are
obtained by acid-etching following alumina or titanium oxide grit-blasting.
Although the micro-rough implants can be successful in compromised clinical scenarios, the
bioinert nature of titanium surfaces cannot stimulate a more rapid bone regeneration and
mechanical fixation of dental implants.
Laser surface treatment is used to produce an implant surface modification on the nano-scale
with controlled and reproducible patterns in addition to exhibiting a sterilizing effect and
achieving efficient oxidation .
For dental implant to be successful, a direct contact between the bone tissue and the surface
of the implant should be developed & this physiological phenomenon is known by the term of
osseointegration.
Initially, it was supposed that to achieve osseointegration, implants had to be submerged
under the mucosa & left without any loading for a period of 3-4 months in mandible and 6-8
months in maxilla.
Recently immediate implant placement at the time of extraction has become a viable treatment
alternative, this approach provides the advantages of decreasing the patient's discomfort,
the treatment's duration and costs.
Aiming to reduce healing process to limit such changes in the soft & hard tissues and
reducing treatment time, several alterations in both surgical and restorative procedures has
been introduced. From an implant design perspective, two approaches including the fields of
biomaterials and/or biomechanics have been most utilized; implant body design which aim to
increase the primary stability and surface modifications to allow faster osseointegration
process.
Rough implant surface is modified by different techniques. Among these different techniques,
interest in of using laser to achieve roughened surfaces.
Commercially available implant surfaces are moderately roughened surfaces and they are
obtained by acid-etching following alumina or titanium oxide grit-blasting.
Although the micro-rough implants can be successful in compromised clinical scenarios, the
bioinert nature of titanium surfaces cannot stimulate a more rapid bone regeneration and
mechanical fixation of dental implants.
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