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<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=90 BGCOLOR="#CC9900" TEXT="#080000" bgproperties="fixed" background="044005a0dwnjzk.gif"> <div> <A HREF="index.htm" TARGET="_top" TITLE="DentalFlavor.com "><U><B>home</B></U></A><B>     | </B><B> </B><B> </B><B>  </B><FONT SIZE="5" COLOR="#FFCC66" FACE="Arial" ><B>DentalFlavor.com </B></FONT></div> <div> <B>Reviews</B><B>   |   </B><A HREF="id18.htm" TARGET="_top" TITLE="Potpourri"><U><B>Potpourri</B></U></A><B>   |   </B><A HREF="id19.htm" TARGET="_top" TITLE="Dental Journals"><U><B>Dental Journals</B></U></A><B>   |   </B><A HREF="id20.htm" TARGET="_top" TITLE="Dental Associations"><U><B>Dental Associations</B></U></A><B>   |   </B><A HREF="id21.htm" TARGET="_top" TITLE="Search engines"><U><B>Search engines</B></U></A><B>   |   </B><A HREF="id22.htm" TARGET="_top" TITLE="Leisure"><U><B>Leisure</B></U></A><B>   |   </B><A HREF="id23.htm" TARGET="_top" TITLE="Site info"><U><B>Site info</B></U></A><B>   |   </B><A HREF="id24.htm" TARGET="_top" TITLE="Legal"><U><B>Legal</B></U></A></div> <div> </div> </td> </tr><tr> <td valign="top" width=210 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> Reviews</div> <bR> <div> <B>Click below for</B></div> <div> <A HREF="id30_archives.htm" TARGET="_top" TITLE="Archives"><U><B>Archives</B></U></A><B> </B></div> </td> <td valign="top" height=390 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <U> <A NAME="reviews"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A></U></div> <DIV ALIGN="LEFT"></DIV> <div> <U>February - 2009</U></div> <bR> <div> <B>Revascularization may be an alternate approach to managing apical closure in immature permanent teeth</B></div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Pilot study of 14 cases, average age 11.6 years, with infected immature anterior teeth that were followed-up for 6 to 42 months.  The procedure was undertaken in at least two visits.  Following access, the root canal was irrigated with 3% hydrogen peroxide and 2.5% sodium hypochlorite solution and a cotton pellet with formocresol was placed as an inter-appointment dressing.  </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Following chemical disinfection with copious irrigation at the next visit, “the revascularization process was completed as follows.  Teeth were anesthetized with a local anesthetic.  A sterile 23-gauge needle was taken, and a rubber stopper was placed at 2 mm beyond the working length.  With sharp strokes, the needle was pushed past the confines of the canal into the periapical tissue to intentionally induce bleeding into the canal.  When frank bleeding was evident at the cervical portion of the root canal system, a tight dry cotton pellet was inserted at a depth of 3-4 mm into the canal and the pulp chamber and held there for 7-10 minutes to allow formation of clot in the apical two thirds of the canal.  The access opening was sealed with glass ionomer cement extending 4 mm into the coronal portion of the root canal system.”  </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The authors found “complete resolution of clinical signs and symptoms and appreciable healing of periapical lesions in 11 cases.”  “None of the cases presented with pain, re-infection, or radiographic enlargement of pre-existing apical pathology.” </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The authors note that “obturation of the canal is not required unlike in calcium hydroxide-induced apexification, with its inherent danger of splitting the root during lateral condensation.  However, the biggest advantage is that of achieving continued root development (root lengthening) and strengthening of the root as a result of reinforcement of lateral dentinal walls with deposition of new dentin/hard tissue.”  </div> <div>       (<A HREF="http://www.ncbi.nlm.nih.gov/pubmed/18634921?dopt=Abstract" TARGET="_top" TITLE="http://www.ncbi.nlm.nih.gov/pubmed/18634"><U>J Endod 2008; 34:919-925</U></A>)</div> <bR> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Reviewer's Note: A pertinent literature review on this topic is: A paradigm shift in endodontic management of immature teeth: conservation of stem cells for regeneration (<A HREF="http://www.ncbi.nlm.nih.gov/pubmed/18420332?dopt=Abstract" TARGET="_top" TITLE="http://www.ncbi.nlm.nih.gov/pubmed/18420"><U>J Dent 2008; 36:379-386</U></A>)</div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <U>January - 2009</U></div> <bR> <div> <B>Treatment of unilateral posterior cross-bite in the mixed dentition is best undertaken with a quad-helix appliance </B></div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Randomized controlled trial “to compare and evaluate the effectiveness of different treatment strategies to correct unilateral posterior cross-bite in the mixed dentition.”  Sixty Swedish children were selected based on “the following inclusion criteria: mixed dentition (all incisors and first molars erupted), unilateral posterior cross-bite, no sucking habits or sucking habit ceased at least 1 year before the trial, and no previous orthodontic treatment.”  There were four groups in the study: quad-helix, expansion plate, composite onlay on the mandibular first molars, and control (no treatment) groups.  </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Outcome measures were: success rates of cross-bite correction (yes/no), maxillary and mandibular inter-canine expansion, maxillary and mandibular inter-molar expansion, and treatment time in months.  “Successful treatment was defined as normal transverse relationship within a year.”  </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The authors found that all patients in the quad-helix group were successfully corrected while two-thirds were successfully corrected in the expansion plate group whereas only a few (2 out of 15) were corrected in the composite onlay group.  There was no spontaneous correction of the cross-bite in the control group.  “The inter-molar and inter-canine distances were significantly increased in the quad-helix and expansion plate groups.”  The average treatment time was 4.8 months in the quad-helix group and 9.6 months in the expansion plate group.  </div> <div> <IMG BORDER="0" SRC="Symb075c00b700f000000000.gif" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">The authors concluded that “treatment with the quad-helix is an appropriate and successful method” for correction of unilateral posterior cross-bite in the mixed dentition.  </div> <div>      (<A HREF="http://www.ncbi.nlm.nih.gov/pubmed/18538237?dopt=Abstract" TARGET="_top" TITLE="http://www.ncbi.nlm.nih.gov/pubmed/18538"><U>Am J Orthod Dentofacial Orthop 2008; 133:790.e7-790.e13</U></A>)</div> <bR> <div> N.B. Only the previous two issues of the coverpage are available here. Abstracts from earlier issues can be viewed in <A HREF="id30_archives.htm" TARGET="_top" TITLE="Archives"><U>Archives</U></A>. </div> <bR> </td> </tr></table></body>