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Dental India celeberated 11th year of online in Feb 2008 !
Dental India newsletter dated 16th March 2008
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                                    Nair Hospital and  Dental College - Golden Jubilee celeberations - a report
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                             2 visit retreatment
                             Tooth # 12
                             bleeding pulp

Dreadful root canal
meuller bur
oral fistula
dens in dente
cement bridges
skeletal anterior
acrolate allergy
ultrasonic scaler
lateral files
MB, ML canals

                             Chlorhexidine Gluconate

                             Bettina R. Basrani , DDS , Sheela Manek, BSc , Rana N.S. Sodhi, PhD, Edward Fillery, BSc, PhD
                             Aldo Manzur, DDS, MScpublished online 21 May 2007.


                            The combination of sodium hypochlorite (NaOCl) and chlorhexidine (CHX) results in the formation of a
                            precipitate. The aim of this study was to determine the minimum concentration of NaOCl required to
                            form a precipitate with 2.0% CHX. This was accomplished with a serial dilution technique. X-ray
                            photon  spectroscopy (XPS) and time-of-flight secondary ion mass spectrometry (TOF-SIMS) were
                            used to qualify and quantify the precipitate. A color change and precipitate were induced in
                            2.0% CHX by 0.023 % and 0.19 % NaOCl, respectively. Both XPS and TOF-SIMS showed the presence
                            of  para-chloroaniline in an amount directly related to the concentration of NaOCl used. Until this
                            precipitate  is studied further, its formation should be avoided by removing the NaOCl before placing
                            CHX into the canal.

                            J Endod. 1999 Nov;25(11):722-7. Links

                        Development of a clindamycin-impregnated fiber as an intracanal medication in
endodontic therapy.

                           Gilad JZ , Teles R , Goodson M, White RR, Stashenko P.
                           Harvard University School of Dental Medicine and Forsyth Dental Center, Boston, MA, USA.

                          The effectiveness of traditional endodontic intracanal medications in reducing bacterial numbers and 
                          preventing acute flare-ups and pain continues to be questioned. In the present study, a new local 
                          delivery device was developed that releases a substantive dose of clindamycin into root canals. 
                          Clindamycin-impregnated ethylene vinyl acetate (EVA) fibers were produced, and the sensitivity of
                          common endodontic microbes to the fibers were established. An in vitro model was developed to
                          persistently infect 32 extracted human teeth with endodontic pathogens to test the efficacy of the
                          clindamycin/EVA fibers in reducing the number of colony-forming units. The clindamycin/EVA fibers
                          were shown to be effective in reducing growth of common endodontic microbes on blood agar plates,
                          and in significantly reducing growth of Prevotella intermedia, Fusobacterium nucleatum, and
                          Streptococcus intermedius in extracted  human teeth, thus indicating merit in further exploring the 
                          potential of these fibers as intracanal medications.