论文部分内容阅读
自然牙冠是一种包括多种颜色的复合色,仔细观察可以发现,一个牙冠主要由颜色较深的颈部,色浅而明亮的切端和介于两者之间的体部构成。基于这一点,我科自1993年以来,采用三段配色法,对45例67颗前牙进行修复,修复体颜色逼真、自然,取得美观修复的效果。 材料和方法 1.临床资料 患者45例,共67颗前牙。其中6例前牙缺失14颗牙;37例前牙缺损,50颗牙;2例锥形牙,3颗牙。按修复状况分,全冠7例8颗;桩冠15例20颗;光固化修复17例25颗;固定桥6例14颗。 2.方法 患者均采用三段配色法配色修复。三段配色法即选择与患者口内自然牙切1/3。中1/3,颈1/3相匹配颜色的塑料。以中1/3颜色的塑料充填全部牙冠或桥体,试压后用锐利刀片从唇面中1/3向切端削成斜坡,然后盖上颜色较浅的切1/3颜色的塑料,同样方式在颈1/3盖上颜色较深的颈1/3颜色的塑料。光固化修复患牙的方法相同。
Natural crown is a multi-color composite color, a close observation can be found, a crown mainly by the color of the neck, light-colored and bright cut ends and interposed between the body composition. Based on this, our department since 1993, the use of three paragraph color matching, 45 cases of 67 anterior teeth to repair the prosthesis color lifelike, natural, and achieved beautiful repair effect. Materials and Methods 1. Clinical data 45 patients, a total of 67 anterior teeth. Among them, 14 teeth were missing in 6 cases of anterior teeth, 37 cases of anterior teeth defect and 50 teeth, 2 cases of conical teeth and 3 teeth. According to the repair status points, the crown of 7 cases 8; crown 15 in 20 cases; light curing 17 cases of 25; 6 fixed bridge 14. 2. Methods Patients were used three color matching color repair. Three paragraphs of color selection and the patient's mouth with natural teeth cut 1/3. 1/3, neck 1/3 match the color of plastic. To 1/3 color plastic filling all crowns or pontic, after the pressure test with a sharp blade from the lip 1/3 cut to incline into a slope, and then covered with a lighter color cut 1/3 color plastic, The same way in the neck 1/3 covered with darker neck 1/3 color plastic. The same method of curing light with teeth.