[In vitro demonstration of polymerization retraction of composites by capillary penetration phenomenon].
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Biomedical subjects
Publications and source records attributed to M Maquin.
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This clinical review confirms the very positive prognosis for endodontic therapy, conditional to strict compliance with imperatives. Endodontics failures are transient and can be remedied. The authors define the attitude to be adopted and the measures to be taken in accordance with the type of difficulty encountered.
Recovery after an endodontic treatment can only be assessed clinically, on the basis of symptomatological and radiographic data, for lack of histo-clinical correlations. An anatomicopathological examination of damaged tissues pinpoints the anatomical obstacles and tissular modifications apt to undermine the success of root canal work. The aim of endodontic treatment is to maintain or reinstate an environment conducive to healing through the use of a non-traumatic endodontic technique, followed by functional rehabilitation of the dental organ in its periodontia structures.
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When large restorations are necessary, self screw-cutting dentinal pits are very useful auxiliaries. The main risks encountered during their utilization are: --perforation through periodontium--pulpal wound--dentinal cracks--weakness of mechanical properties of restorative material--corrosion--breakdown of the drill--pulpal warning up--unesthetical front restorations. The way to prevent those difficulties are: --precise clinical and radiological examinations--insertion point--direction--number--composition--choice of pits.
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