I thought it would be useful for you to have this reminder to avoid voids in your back pack warm guttapercha material if you are using the Injection Molded Thermoplasticized Guttapercha of Jay Marlin, the Obtura II ™, combined with the Vertical Condensation with Warm Guttapercha, the Schilder Technique:
1- use a more fluid sealer, you can add a drop of liquid to the kerr sealer that you have left from the down pack, the Obtura guttapercha needs a lot of very fluid sealer arriving to mid root so the guttapercha "slides" well into the canal. ... continue reading...