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Recent News and Articles on the Keywords: root canal + lasers used + bacteria  Related to the article below (Last Update: 5/12/2008)


Jamaica Gleaner
Root canal - An alternative to extraction
Jamaica Gleaner, Jamaica - Apr 29, 2008
Today, root canal therapy has given dentists a safe way of saving the tooth. The most common cause of pulp death (a diseased nerve) is a cracked tooth or a ...
Amgen's Visit From The "Tooth Fairy" (By Way Of Root Canal?)
CNBC, NJ - May 7, 2008
He explains he has a toothache that requires emergency root canal today. He added that he spoke to Sharer on the phone yesterday for almost 90 minutes and ...AMGN

The Age
Canal Road
The Age, Australia - Apr 29, 2008
... multi-disciplinary practice forming the fulcrum of Nine's overtly (and overly) sexed-up new medical-legal drama they could have called it Root Canal. ...
Bipasha gets candid!
Times of India, India - May 8, 2008
But, I also had to get my root canal done in Italy. And so, I have been calling myself Miss Italian Root Canal because I had to deal with an Italian dentist ...
Dental care takes to road in Greene, Columbia
Kingston Daily Freeman, NY -
"We have modern, up-to-date equipment," said Wegielnik, who explained that she has filled a number of cavities and even performed root canal work for ...
The root canal of all evil
iAfrica.com, South Africa - Apr 15, 2008
Caviar for patients recovering from a blood test, psychoanalysis at $10 000 per hour: nothing is too much for ailing billionaires at the Neo Vita clinic in ...
Painful root canals thing of past, dentist says
News-Leader.com, MO - Apr 21, 2008
Q. What types of situations lead to the need for a root canal? Is there any way to avoid them? A. Deep decay or trauma to a tooth causes the pulp, ...
Playground to be work of full community
Milwaukee Journal Sentinel, WI - 34 minutes ago
... so she brushed off my mockery of one more proclamation from the gubernatorial assembly line that bring us such gems as Root Canal Appreciation Day. ...
Treasure Coast Fishing Report: May 12
TCPalm, FL - May 11, 2008
Also, bouncing root beer jigs over the old Roosevelt Bridge rubble produced a 12-pound tripletail. Young reported a lot of eagle rays and sea turtles in the ...

CMR
Who Won Survivor: Recap
CMR, TX -
But what was unusual was my dentist prepping for my root canal and asking me if I had watched the previous night?s Survivor. ?How could Erik be so dumb? ...
Source: Google News

… and antibacterial properties of energy levels required to sterilize stained root canals with an Nd: … -
LO Ramsk?ld, CD Fong, T Str?mberg - Journal of Endodontics, 1997 - Elsevier
... are gaining popularity and are now used for endodontic ... A strong bactericidal effect
from root canal lasing was ... studies, all using Nd:YAG lasers, but complete ...

Comparative evaluation of the antibacterial effects of intracanal Nd: YAG laser irradiation: An in … -
SE Fegan, HR Steiman - Journal of Endodontics, 1995 - Elsevier
... The Nd:YAG laser may have potential for disinfecting root canal systems. ... (2) in 1963.
Since then, many different lasers have been used for numerous ...

Co m pa rat ive Bacter ic id aI Exposures for Selected Oral Bacteria Using Carbon Dioxide Laser … -
DN Dederich, MA Pickard, KL Zakariasen - Lasers in Surgery and Medicine, 1990 - doi.wiley.com
... Among the potential uses for lasers in den- tistry ... of the laser beam with the root
canal was important ... energy doses required to sterilize root canals precluded ...

Nd: YAG laser irradiation of infected root canals in combination with microbiological examinations -
A Moritz, O Doertbudak, N Gutknecht, K Goharkhay, … - The Journal of the American Dental Association, 1997 - Am Dental Assoc
... in increased absorption ofthe ra- diation in the root canal and a ... E. faecalis was
used as test bacterium ... as compared with most other endodontic bacteria and is ...

Bactericidal effect of different laser systems in the deep layers of dentin -
U Schoop, W Kluger, A Moritz, N Nedjelik, A … - Lasers in Surgery and Medicine, 2004 - doi.wiley.com
... the preparation lasers when applied in root canal treatment without ... impacts of the
use of lasers in endodontic ... all the wavelengths most commonly used in today ...

… hybridization (FISH) for direct visualization of bacteria in periapical lesions of asymptomatic root … -
PT Sunde, I Olsen, UB Gobel, D Theegarten, S … - Microbiology, 2003 - Soc General Microbiol
... ion laser (488 nm) and two HeNe lasers (543 and ... and have often been isolated from
the root canal and periapical ... Most of the probes used did not show specific ...

A New Solution for the Removal of the Smear Layer -
M Torabinejad, AA Khademi, J Babagoli, Y Cho, WB … - Journal of Endodontics, 2003 - Elsevier
... of obturation materials to the prepared root canal surfaces ( 4 ). Various organic
acids, ultrasonic instruments, and lasers have been used to remove ...

Lasers in endodontics: a review -
Y Kimura, P Wilder-Smith, K Matsumoto - International Endodontic Journal, 2000 - Blackwell Synergy
... 1997) have also been used for this purpose ... All lasers have a bactericidal effect
at high power ... for spreading bacterial contamination from the root canal to the ...

Effect of Er: YAG laser treatment on the root canal walls of human teeth: an SEM study -
FH Takeda, T Hatashima, JN Eto, Y Kimura, K … - Dental Traumatology, 1998 - Blackwell Synergy
... The effect of lasers on ... The times used in. ... thermally if the laser equipment is correctly
adjusted so that the tem- perature increase of the root canal is kept ...

The Er: YAG laser in endodontics: Results of an in vitro study -
U Schoop, A Moritz, W Kluger, S Patruta, K … - Lasers in Surgery and Medicine, 2002 - doi.wiley.com
... electron microscopy showed discrete removal of dentine from the root canal walls ...
a suitable tool for the elimination of bacteria in root canals under ... Lasers Surg ...

Source: Google Scholar

Laser Used To Help Fight Root Canal Bacteria
High-tech dental lasers used mainly to prepare cavities for restoration now can help eliminate bacteria in root canals, according to research published in the July issue of The Journal of the American Dental Association (JADA).

The study, conducted by researchers in Austria, credits the development of miniaturized, flexible fiber tips for allowing the laser to be used in endodontic (root canal) treatment.

Dr. Ulrich Schoop and a team of researchers in the dental school at the University of Vienna used 60 extracted human teeth with one root each to test the effects of laser irradiation on root canals using an erbium, chromium:yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser.
Dr. Schoop and colleagues inoculated the root canals with one of two types of bacteria (Enterococcus faecalis and Escherichia coli) and then irradiated the canals using either a 1- or 1.5-watt power setting.

The team found that the laser reduced the amount of E. coli at the lower power setting and reduced it to below the detection level at the higher setting. It also was effective in eliminating E. faecalis.

Researchers found, too, that the laser removed the smear layer and debris from the root canal walls and that the temperature rise during irradiation was within safe borders.

The authors concluded that the Er,Cr:YSGG laser may be suitable for cleaning and disinfecting root canals and that it can be used safely if the common precautions for using lasers are observed and the energy levels and irradiation times are within the proposed range. They also suggested that clinical studies are needed to confirm their laboratory findings.

In a related article in July JADA, Dr. Roy H. Stevens and colleagues at the Kornberg School of Dentistry, Temple University, describe their study of an Er,Cr:YSGG laser with a new tip that emits radiation radially.

Dr. Stevens and colleagues examined the efficiency of this new laser tip in disinfecting root canal dentin walls infected with E. faecalis. They found that it significantly reduced the amount of E. faecalis in contaminated root canals.

The not-for-profit ADA is the nation's largest dental association, representing more than 155,000 dentist members. The premier source of oral health information, the ADA has advocated for the public's health and promoted the art and science of dentistry since 1859. The ADA's state-of-the-art research facilities develop and test dental products and materials that have advanced the practice of dentistry and made the patient experience more positive. The ADA Seal of Acceptance long has been a valuable and respected guide to consumer and professional products. The monthly Journal of the American Dental Association is the ADA's flagship publication and the best-read scientific journal in dentistry. For more information about the ADA, visit the Association's Web site at http://www.ada.org.
American Dental Association (ADA)
211 E. Chicago Ave.
Chicago, IL 60611
United States
http://www.ada.org

 
 
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