Download [Rapid identification of anaerobes in periodontics with computer]

Interclass & São Leopoldo Mandic
LITOI
[Rapid identification of anaerobes in periodontics with computer]
Department of Pediatric Dentistry, Ninth People's Hospital, School of Stomatology, Shanghai Second
Medical University. Shanghai 200011,China.
It has documented that anaerobe has played important roles in the progress of
periodontitis.Recently,the detection of its pathogens has caught more and more attention.This study
has sieved physiological and biochemical reactions of more than 80 species anaerobes related to
periodontics,selected the reactions with identifying significances to form a system,and identify
bacterium according to their differences of the results to the selected reactions.The results of each
bacteria is expressed with decimal number.then transfer it into the decimal number.So the decimal
number represents the results of the bacteria to the selected reactions and represents a certain
bacteria.The profile that the bacterium correspond to the numbers is designed.When the bacteria is
identified,on the basis of its Gram stain,morphology and oxygen-tolerance,using compling
program,the computer with suggest the reactions to be finished.After the reactions have been
completed,input the produced number to the species of the indentified bacteria will be known.
Comparison of the use of a toothpick holder to dental floss in improvement of
gingival health in humans.
Lewis MW, Holder-Ballard C, Selders RJ Jr, Scarbecz M, Johnson HG, Turner EW.
Department of Restorative Dentistry, Division of Operative Dentistry, University of Tennessee
College of Dentistry, Memphis, TN 38163, USA.
BACKGROUND: Although advances have been made in modulation of host inflammatory response
in periodontal therapy, it is important to control the bacterial challenge to the host immune system
through conventional therapy and improvement of personal oral hygiene. Although toothbrushing is
generally performed, interdental cleaning is not as common. This study compared the use of dental
floss to a toothpick holder in the improvement of gingival health. METHODS: Participants were
examined and those with clinical gingivitis or slight chronic periodontitis were included in the study.
O'Leary plaque, interproximal plaque index (IPI), and Eastman interdental bleeding index scores
(EIBI) were recorded at baseline and following appointments. Forty-two females and 13 males
ranging from 18 to 50 years in age were randomly divided into either a dental flossing group or
toothpick holder using group. Each was given instructions in the use of the oral hygiene device and
examined 2, 6, and 12 weeks following baseline. At 12 weeks, 27 floss users and 20 toothpick-holder
users completed the study. RESULTS: Plaque scores were reduced in both groups as the study
progressed. Mean O'Leary plaque scores decreased significantly for both methods from baseline to
week 12 (P < 0.05). The EIBI and IPI scores decreased in mean scores over time for each method (P
< 0.05). A correlation was found between the O'Leary plaque index and the IPI scores (P < 0.05).
CONCLUSION: The results of this study found that the use of dental floss or toothpick holder
resulted in no significantly different effect in the improvement of gingival health.