Research on development and industrialization of the dental ceramics 1045043 Masatoshi Yamazoe
1.1 1 1.2 1 1.3 2 1.4 4 1.5 5 1.6 5 1.7 6 8 2.1 9 2.2 10 2.3 15 16 3.1 17 3.1.1 17 3.1.2 37 3.2 39 3.2.1 39 i
3.2.2 39 3.2.3 40 58 4.1 59 4.2 62 62 65 65 66 5.1.1 66 5.1.2 68 5.1.3 71 5.1.4 83 83 84 5.2.1 84 5.2.2 84 5.2.3 86 5.2.4 96 ii
96 97 5.3.1 97 5.3.2 97 5.3.3 105 5.3.4 122 123 124 129 iii
1889 Dr.C.H.Land 1
1954 NEY 1963 VITA Degussa 1), 2) 1970 1990 150 1.1 1.1, 1.2 1.1 2
1.1 1.2 3
1.4 14 1510-6 - 1 KAlSiO6 810 1217 10-6 - 1 1.2 3), 4) 1.2 4
1.5 1.3 1.3 1.6 1.3 1600 5
1.3 1.7 1.4 1.3 1.4 100 m 1.1 6
1.4 Apply opaque Fired opaque Form dentine Form enamel Completion 1.4 7
1) 306 328 2000. 2) BIO INDUSTRY2 (8)650661 1985. 3) 92(4)1952001984. 4) Report of the Institute for Medical & Engineering1219341978. 5) P.J.Adair and D.G.GrossamInt.Periodont.Rest.Dent4 321984. 8
2.1 2.1 12 9
2.2 51 1,000 148 97 2.2, 3 13 6 104.4 33.2 100 13 5 8 14 10 10
2.2 (1988~1994) (1995~2001) 2.3 11
2.1 2.4 2.2 12 2.3 2.3 2.4 1/4582.1 2 7 20.2 7 1 13 38 2.1 2.4 12
2.2 12 2.3 12 13
2.3 11,12,13 2.4 12,13 14
2.3 7 1 No.1 1 5 No.1 2.4 2.5 5 1 2.4 11,12,13 15
2.5 12,13 122001. 71996. 16
3.1.1 6 3.1 6 17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
3.1.2 37
38
3.2.2 39
3.2.3 2) 50500 1217.5 10-6 - 1 850 3 NaK 13.615.2510-6 - 1 750950 3 10 40
4SiO2Al2O3K 2O=KALSi2O6 750850 41
50 3.2 3.2 42
3.2 G67100 L11 850 L1 G67100 850 600 60 900 900 5 25500 3.1 3.1 900 850 3.1 2 43
13.310-6 -1 8 12 9.2610-6 -1 28 5 12.3 10-6 - 1 13.510-6 -1 5 3.2 3.2 850 211 NaK 130 3.1 3.2 3.1 44
1 1 3.2 Na K 8 NaK 9.2610-6 -1 45
3.1 850 1 5 2500 2000 1500 1000 500 0 0 4 8 12 16 20 24 3.2 850 46
3) Ag2O Ce2O 3 2Ag0 2CeO2 CeO2 0.11.4 2010-6 - 1 13.6 15.210-6 -1 4SiO2Al2O 3K 2O 47
63320805 63310805 3 5410 3 11005 3 81212 CeO2 48
No.1 63.7SiO2 15.0Al2O310.7K2O 8.5Na2O0.3MgO1.2CaO0.6B2O 3(wt%) No.2 62.1SiO2 15.0Al2O311.8K2O 9.0Na2O0.3MgO1.2CaO0.6B2O 3(wt%) 55.1SiO2 23.3Al2O3 21.6K2O(wt%) No.1 No.2 SiO2 0.1 1 CeO2 75m 100 75m 850 2 49
CeO2 1 2 No.1 SiO2 CeO2 1 3 No.1 SiO2 1.5 CeO2 1 4 No.1 SiO2 2.0 CeO2 1 5 No.2 SiO2 4.0 CeO2 4 75 0.05 33mm 2 JIS T 6516 50
600 60 900 900 1 1 3 1 4 4 JIS T 6516 10-6 -1 50500 2 2 4 4 3.3 3.3 1 4 1 2 CeO2 0.05 3 5 CeO2 1 4 4 51
4) CeO2 0.11.4 Tb4O7 0.12.5 13.615.210-6 -1 4SiO2Al2O 3K 2O 52
840746 840746 53 54893 5354893 500 53
CeO2 Tb4O7 50 54
No.1 63.7SiO2 15.0Al2O310.7K2O 8.5Na2O0.3MgO1.2CaO0.6B2O 3(wt%) No.2 62.1SiO2 15.0Al2O311.8K2O 9.0Na2O0.3MgO1.2CaO0.6B2O 3(wt%) 55.1SiO2 23.3Al2O3 21.6K2O(wt%) SiO2 CeO2 Tb4O7 CeO2 Tb4O7 75m 100 75m 1 850 2 1 CeO2 Tb4O7 2 No.1 SiO2 0.05 CeO2 3 Tb4O7 1 No.1 SiO2 CeO2 55
0.05 Tb4O7 1 4 No.1 SiO2 1.5 CeO2 0.5 Tb4O7 1 75m 0.05 3 3 2 JIS T 6516 600 60 900 900 1 1 2 3 1 4 4 JIS T 6516 10-6 -1 50500 2 2 4 4 365nm 56
3.4 3.4 1 5 1 5 4 NaK CeO2 0.05 3 4 CeO2 4 57
NaK http://www.jpo-meti.gp.jp/home.htm 2000-1659 PCT/JP01/00021 2000-133619 2000-133623 58
4.1 95 95 1 1 100 10 1) 59
60
61
62
63
64
http://www.chusho.meti.go.jp/home.html 65
5 5.1 5.1.1 66
Table 5.1-1 Composition and coefficient of thermal expansion of noble metal for dental ceramics for tests used Au Pt Pd Ag 86.0 11.2 2.8 14.6 52.0 1.0 28.0 15.0 4.0 14.5 35.0 56.0 9.0 13.7 60.5 27.0 12.0 14.5 6.0 72.0 6.5 15.5 13.8 80.0 1.0 2.0 14.9 2.1 14.6 67
5.1.2 A, B C D E 5.1-1 1) 784N80kgf/cm 2 5.06.523.0mm 1,2,4 1 1 2 1 1 4 1 3 180 4.0 5.020.0mm TD5010S 5 /min 50~500 2) 2 2)-1 3mm 3 35 3 16mm 68
2 6mm 3mm 2 AGS-500 5mm/min 4 l 8 2 MPa Kgf/0.102dl 2)-2 25100.5mm #800 25100.5mm 10.0mm 14.0mm 2 69
1.0mm 3) JIS T 6516 AGS-10KND 14mm 1.0mm/min 4) 588N60kgf/cm 2 11.5t 5.0mm 1 1 2 #180#2000 3m1m HMV-2000 2.9N 15 5) S-3500N 10 70
6) 3 5.1.3 1) 5.1-1 5.1-2 1,2,4 71
Thermal expansion curve of ZEO CE LIGHT and noble metal for dental ceramics. 72
of thermal expansion of translucent porcelain with the number of firing times (A, B, C, D and E are other companies products). 73
2) 5.1-3 74
Adhesive strength and compatibility with metals for each type of porcelain (A, B, C, D and E are other companies products). 75
(A, B, C and D are other companies products) 76
3) 5.1-5 5.1-6 5.1-5 77
(A, B, C, D and E are other companies products) 78
(A, B, C, D and E are other companies products) 79
(A, B, C, D and E are other companies products) 80
4) Figure 5.1-8 Cracks in metal-ceramics made the metal of difference kinds. 81
Evaluation on tests of commercial dentine/enamel porcelain 82
4.1.4 5 1. 2. 3. 4. 5. 2290~94 2001. 83
5.2 5.2.1 365nm 5.2.2 A, B C D E 1) 84
588N60kgf/cm 2 11.5 t 5.0mm 1 1 2 #180#2000 3m1 m 2.700.05mm 365nm UV 2) FP-750 365nm 300600nm 3) X RIX2000 4) 3 5252.0Au1.0Pt28.3Pd13.0Ag B1 85
365nm UV 5.2.3 1) 5.2-1 5.1-2 A,B,C,E D A 86
Figure 5.2-1 Fluorescence of natural teeth under 365nm light. 87
Figure 5.1-2 Fluorescence of porcelains under 365nm light (A, B, C, D and E are other company s products). 88
2) 5.2-3 365nm 89
Figure 5.2-3 Fluorescent spectrum curve of natural tooth and porcelain under 365nm light (A, B, C, D and E are other company s products). 90
3) 5.2-1 SiO2, Al2O3, K2O Na2O CeO2,Tb4O7 A B C Y2O 3 Ce Y2SiO5 Table 5.2-1 Composition of porcelain (A, B, C, D and E are other company s products) Li, B Non-Aanalysis 91
4) 5.2-4 5.2-2 92
Figure 5.2-4 Metal-ceramic restorations under 365nm light (A, B, C, D and E are other company s products). 93
Figure 5.2-5 Fluorescence of a natural tooth and ZEO CE LIGHT. 94
Table 5.2-2 Visual evaluation with the natural tooth in the fluorescence characteristic 95
4.2.4 5 86~892001 96
97
101 101 98
Products name and producing country of commercial porcelains for tests used 99
Firing schedule of repairing and dentine/enamel porcelain light (A, B, C, D and E are other company s products) 100
Composition and coefficient of thermal expansion of noble metal for dental ceramics for tests used 101
Cu K 12 784N 80kgf/cm 2 5.06.523.0mm 4.3-2 2 180 4.05.020.0mm 0.025mm TD5010S 5/min 50 500 50400 4.3-1 588N60kgf/cm 2 11.5 t 5.0mm 5.3-2 DE 102
930 D 770 E 890 #180#2000 2mm 11.5mm 2.5, t 1mm A, B, D, E A 740 B 870 C 760 D 780 #180#2000 3m1m S-3500N 16.0 t1.6mm 4.3-2 1 1 A, B, D, E A 750 B 880 C 770 D 795 150 4 5 103
0.1mg JIS T 6516 4vol% 16 7) 588N 60kgf/cm 2 11.5, t 2.0mm 4.3-2 1 A, B, D, E A 740 B 870 C 760 D 780 V-550 E*ab 104
B, D, E B 870 D 745 E 770 105
X-ray patterns and leucite contents of repairing porcelain powder (A, B, C, D and E are other company s products). 106
107
The coefficient of thermal expansion of dentine/enamel and repairing porcelain (A, B, C, D and E are other company s products). 108
109
Particle size distribution of repairing porcelain (A, B, C, D and E are other company s products). 110
SEM micrographs of powder of repairing porcelain (A, B, C, D and E are other company s products). 111
112
SEM micrographs of the polished interface repairing and dentine/enamel porcelain (A, B, C, D and E are other company s products). 113
SEM micrographs of the etched interface repairing and dentine/enamel porcelain (A, B, C, D and E are other company s products). 114
Chemical solubility of repairing porcelain (A, B, C, D and E are other company s products). 115
116
Composition of repairing porcelain (A, B, C, D and E are other company s products) 117
Yellowish discolorations by silver of repairing porcelain (A, B, C, D and E are other company s products). 118
119
Metal-ceramic restorations (B and D are other company s products). 120
Evaluation on tests of commercial repairing porcelain 4.3-5 121
A 680700 0.113wt B 3.8 C D B, C Sb2O3 23 2001 8 26 122
6) 123
6 1 2 3 4 5 6 9 4 124
6 5 0 A, B 121 13.7~15.0 125
5 m 790920 125MPa HV 485 (2.45%) (84.1%) 126
6.1 2001 6.1 2000 13 5 10 100Kg/ 2002 900 3 13 1 40 2.5 10 6.1 2001 127
6.1 2000 128
2 129
130