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[Principles of reasonable oral rehabilitation].

Dentistry today is becoming an amalgamation of medical science and precision technology. However, not all the techniques introduced in past years can be qualified as progress when the clinical results are closely examined. These results show that it is necessary to constantly reevaluate one's work in order to maintain a high standard of treatment. Every dental intervention should be planned in concurrence with the principles of prevention and cure, and executed with care and precision to avoid any progress or recurrence of the existing disease. Every oral rehabilitation should be effected following a strict sequence--establishment of good oral hygiene, precise diagnosis of the disease and careful study of the case, planning and coordination of the various interventions necessary, elimination of diseased tissue and restoration of the dentition in such a manner as to retain as much healthy tooth substance as possible and to avoid any over energetic--iatrogenic--elimination of tissue.