Evaluation of alginate as a substitute for root-surrounding tissues in electronic root canal measurements.

Alginate as a substitute for root-surrounding tissue was investigated. The electronic working lengths of root canals under clinical conditions were compared with an in vitro simulation of the same teeth extracted and embedded in alginate. The working lengths in 26 teeth were determined on two occasions using an electronic apex locator, before extraction and after extraction with the same teeth embedded in an alginate mass.

[Comprehensive treatment of the endo-perio syndrome. Case reports].

Introduction: The endo-perio syndrome presenting with periodontitis is very difficult to manage due to its pathomechanism which until today has evaded clarification. Substantial loss of tooth-bearing tissues within the alveolar processes of the maxilla and the alveolar part of the mandible compounds the situation and complicates efforts to control the inflammatory process and restore the missing periodontal tissues, to minimize the costs for the patient, and to achieve a good cosmetic effect. The aim of this work was to assess therapeutic efforts undertaken in some cases of the endo-perio syndrome.

[A comparative evaluation of Apex D.S.P. and Root ZX Apex locators. An in vitro study].

Introduction: In modern endodontics, no possibility of the root canal preparation is allowed, unless its length was individually determined. Only until recently, the length was assessed on the basis of the radiograph with the file placed into the root of the canal. However, apex locators have been in use for this assessment for some time.