CAJ | 학술논문

背景:在后牙固定桥材料的选择上尚存争议,氧化锆全瓷冠、金铂合金烤瓷冠与镍铬合金烤瓷冠各具优点与不足.目的:比较 Lava 氧化锆全瓷、金铂合金烤瓷与镍铬合金烤瓷后牙固定桥辅以纤维桩、树脂核修复后牙牙列缺损的临床效果.方法:选择120例下颌第一磨牙缺失患者,分别应用 Lava 氧化锆全瓷后牙固定桥、金铂合金烤瓷与镍铬合金烤瓷后牙固定桥并辅以纤维桩、树脂核修复后牙牙列缺损,比较3种修复体的修复效果.结果与结论:通过6-48个月的随访发现,在牙龈边缘着色、龈缘密合度、修复体颜色、修复体周围龋方面 Lava 氧化锆全瓷冠和金铂合金烤瓷冠的修复效果优于镍铬合金烤瓷冠,其中 Lava 氧化锆全瓷冠的牙龈边缘着色和修复体颜色优于金铂合金烤瓷冠,而金铂合金烤瓷冠的龈缘密合度好于 Lava 氧化锆全瓷冠.在修复体折裂程度方面镍铬合金烤瓷冠低于 Lava 氧化锆全瓷冠和金铂合金烤瓷冠,但镍铬合金烤瓷修复者牙龈指数和基牙松动程度最高,牙龈健康程度最差,Lava 氧化锆全瓷冠和金铂合金烤瓷冠比较以上指标差异无显著性意义.由此可见,在后牙固定桥修复体种类的选择上,Lava 氧化锆全瓷冠和金铂合金烤瓷冠是较为理想的修复体;前者在生物相容性方面具有一定的优越性,而后者在边缘密合性方面更具优势.
배경:재후아고정교재료적선택상상존쟁의,양화고전자관、금박합금고자관여얼락합금고자관각구우점여불족.목적:비교 Lava 양화고전자、금박합금고자여얼락합금고자후아고정교보이섬유장、수지핵수복후아아렬결손적림상효과.방법:선택120례하합제일마아결실환자,분별응용 Lava 양화고전자후아고정교、금박합금고자여얼락합금고자후아고정교병보이섬유장、수지핵수복후아아렬결손,비교3충수복체적수복효과.결과여결론:통과6-48개월적수방발현,재아간변연착색、간연밀합도、수복체안색、수복체주위우방면 Lava 양화고전자관화금박합금고자관적수복효과우우얼락합금고자관,기중 Lava 양화고전자관적아간변연착색화수복체안색우우금박합금고자관,이금박합금고자관적간연밀합도호우 Lava 양화고전자관.재수복체절렬정도방면얼락합금고자관저우 Lava 양화고전자관화금박합금고자관,단얼락합금고자수복자아간지수화기아송동정도최고,아간건강정도최차,Lava 양화고전자관화금박합금고자관비교이상지표차이무현저성의의.유차가견,재후아고정교수복체충류적선택상,Lava 양화고전자관화금박합금고자관시교위이상적수복체;전자재생물상용성방면구유일정적우월성,이후자재변연밀합성방면경구우세.
BACKGROUND: Studies have shown that zirconia al oy ceramic crowns, gold-platinum al oy ceramic crowns and nickel-chromium al oy ceramic crown have certain strengths and weaknesses, so there is a controversy on the selection of the materials applied to the posterior tooth fixed restoration. OBJECTIVE: To compare the clinical effect of Lava zirconia fixed bridge, goal-platinum al oy ceramic fixed bridge and nickel-chromium al oy ceramic fixed bridge supplemented by fiber posts and resin core used in the posterior column defects. METHODS: 120 patients with mandibular first molar missing were treated with Lava zirconia, goal-platinum al oy ceramic and nickel-chromium al oy ceramic fixed bridge supplemented by fiber posts and resin core for posterior column defects. The restorative effects of three prostheses were compared. RESULTS AND CONCLUSION: Clinical indicators of test results of 6-48 months fol ow-up showed that the gingival edge coloring, gingival margin microleakage, the color of prosthesis and the caries around prosthesis of Lava zirconia al oy ceramic crowns and gold-platinum al oy ceramic crowns were better than those of nickel-chromium al oy ceramic crowns, and the gingival edge coloring and the color of prosthesis of Lava zirconia al oy ceramic crowns were better than those of gold-platinum al oy ceramic crowns, while the gingival margin microleakage of gold-platinum al oy ceramic crowns was better than that of Lava zirconia al oy ceramic crowns. Nickel-chromium al oy ceramic crowns were lower than Lava zirconia ceramic crowns and gold-platinum al oy ceramic crowns in the fracture extent. Gingival index clinical examination showed that Nickel-chromium al oy ceramic crowns had the highest gingival index and the worst gingival healthy condition among the three kinds of prosthesis. There was no significant difference of the indicators above between Lava zirconia al oy ceramic crowns and gold-platinum al oy ceramic crowns, So, the Lava zirconia ceramic crowns and the gold-platinum al oy ceramic crowns were ideal prosthesis during the choice of the types of posterior fixed bridge prosthesis. Meanwhile, the first one was better than the last one in biocompatibility, and the last one was better than the first one in the marginal adaptation.