A Genieser

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In several experiments it was examined, whether slight deviations from the using reglementation for the PERIOTEST-device alter the measurement results. Tilting of the handpiece against ground or variation of the distance between handpiece and the surface of the tooth within the suggested intervals did not alter the PERIOTEST-value. If the measurement was(More)
In a survey the methods and materials used for making complete dentures were collected from 603 dentists. The impression material most frequently used for primary impressions was alginate and elastic impression material for functional impressions. Compared with an earlier survey the percentage of dentist using needle point tracing for recording jaw(More)
The effect of the positioning of the needle in the horizontal plane and the applied clenching force on the result of the needle point tracing was investigated. The results show a strong influence of the applied clenching force. The results on the variation of the needle position leaded to the conclusion, that in the progress of the needle point tracing the(More)
It was the purpose of this study to assess the influence of the applied clenching force and the positioning of the needle in the sagittal plane on the results of needle point tracings. The results show a direct influence of the applied force, whereas the influence of the position of the needle point showed great interindividual variations.
Acrylic, plaster and polyether were evaluated for their accuracy in indexing needle point registration. Additionally, a new experimental system was tested, that permits the dentist do immediately verify the accuracy of the recording. Best results were obtained when the indexes were not removed from the occlusal plane plates. When the indexes were dislodged,(More)
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