Değişik inley çapalı köprülerin statiğinin ve tutuculuğunun incelenmesi
Başlık çevirisi mevcut değil.
- Tez No: 71490
- Danışmanlar: PROF. DR. ERHAN AKIN
- Tez Türü: Doktora
- Konular: Diş Hekimliği, Dentistry
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 1986
- Dil: Türkçe
- Üniversite: İstanbul Üniversitesi
- Enstitü: Sağlık Bilimleri Enstitüsü
- Ana Bilim Dalı: Protetik Diş Tedavisi Ana Bilim Dalı
- Bilim Dalı: Kuron-Köprü Protezi Bilim Dalı
- Sayfa Sayısı: 157
Özet
126 SUMMARY and CONCLUSIONS In our research six types of inlays has been used, three of which were of the classical three-pinned inlays. Tensile and compression tests were applied to a total of 72 bridges with pins and without pins with a specially developed testing apparatus. The results obtained confirmed with the results in literature. As the conclusion of our research we can say that: 1) In inlay abutment bridges, the inlay cavities has great importance on resisting more load. 2) In different inlay abutment bridges, the elastic deformation is directly proportional to the load applied. It is necessary to increase the volume of the cavity in order to decrease deformation. We can formu late this as following: K, x S. hac met where E is the elastic deformation Y is the load applied; K. is the volume of the cavity', S«"+ is the hardness of the metal used, met 3) It is advisable of use hard metals in construction of inlay abutment bridges.127 4) By adding pins to inlay abutments, th-e load to induce deformation increases to three times. This Increases the adhesion of the abutment inlays. 5) There is no great difference in adhesion when only one abutment or both abutments has pins. 6) The adhesion of the inlays is directly proportional with the force of friction of the inlay with the cavity walls; the greater the total area of the side walls of the cavity the greater is the resistance to tensile forces. 7) The adhesion of the hard alloys with cement is weaker. 8) The resistance of the pinned inlay abutments to tensile forces is proportional to the area of the side walls of the inlay cavity. 9) The adhesion of pinned inlay abutments increases to 3 times compared with the classical inlay abutment bridges 10) In classical inlay abutment bridges the addition of a pin to one of the abutments will increase the adhesion sufficiently. 11) The adhesion of pinned inlays is more than classical inleys.
Özet (Çeviri)
126 SUMMARY and CONCLUSIONS In our research six types of inlays has been used, three of which were of the classical three-pinned inlays. Tensile and compression tests were applied to a total of 72 bridges with pins and without pins with a specially developed testing apparatus. The results obtained confirmed with the results in literature. As the conclusion of our research we can say that: 1) In inlay abutment bridges, the inlay cavities has great importance on resisting more load. 2) In different inlay abutment bridges, the elastic deformation is directly proportional to the load applied. It is necessary to increase the volume of the cavity in order to decrease deformation. We can formu late this as following: K, x S. hac met where E is the elastic deformation Y is the load applied; K. is the volume of the cavity', S«"+ is the hardness of the metal used, met 3) It is advisable of use hard metals in construction of inlay abutment bridges.127 4) By adding pins to inlay abutments, th-e load to induce deformation increases to three times. This Increases the adhesion of the abutment inlays. 5) There is no great difference in adhesion when only one abutment or both abutments has pins. 6) The adhesion of the inlays is directly proportional with the force of friction of the inlay with the cavity walls; the greater the total area of the side walls of the cavity the greater is the resistance to tensile forces. 7) The adhesion of the hard alloys with cement is weaker. 8) The resistance of the pinned inlay abutments to tensile forces is proportional to the area of the side walls of the inlay cavity. 9) The adhesion of pinned inlay abutments increases to 3 times compared with the classical inlay abutment bridges 10) In classical inlay abutment bridges the addition of a pin to one of the abutments will increase the adhesion sufficiently. 11) The adhesion of pinned inlays is more than classical inleys.
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