PDF(Pubmed)
Abstract：
BACKGROUND: The most common treatment approaches for patients missing maxillary lateral incisors are implant replacement (IT) and orthodontic space closure (SC). Treatment techniques change and improve over time, and it is of interest to know if improvements differ between the methods.
OBJECTIVE: To compare the aesthetic outcome and other clinical findings in patients with one or two missing maxillary lateral incisors who were treated with a 10-year difference in time, with either orthodontic space closure or implant replacement.
METHODS: A total of 88 patients were included in the study. Forty-four patients treated between 2011 and 2018 were included as the latter cohort (LC). The LC was compared to the early cohort (EC; n = 44), treated between 2001 and 2008. A total of 132 teeth was analysed: 62 teeth in the EC (28 teeth in IT cases and 34 teeth in SC cases) and 70 teeth in the LC (34 teeth in IT cases and 36 teeth in SC cases). Long-term clinical and aesthetic outcomes were evaluated.
RESULTS: An improvement over time was found in crown length, BoP, papilla, the inclination of incisors, and overall appearance in IT cases and in crown colour and overbite in SC cases. A deterioration over time was found in crown length and BoP among the SC cases.
CONCLUSIONS: Among the IT cases, an improvement in outcomes was noted over time. When comparing SC cases the colour of the crown and overbite had improved, while crown length and BoP had deteriorated over time.
OBJECTIVE: To compare the aesthetic outcome and other clinical findings in patients with one or two missing maxillary lateral incisors who were treated with a 10-year difference in time, with either orthodontic space closure or implant replacement.
METHODS: A total of 88 patients were included in the study. Forty-four patients treated between 2011 and 2018 were included as the latter cohort (LC). The LC was compared to the early cohort (EC; n = 44), treated between 2001 and 2008. A total of 132 teeth was analysed: 62 teeth in the EC (28 teeth in IT cases and 34 teeth in SC cases) and 70 teeth in the LC (34 teeth in IT cases and 36 teeth in SC cases). Long-term clinical and aesthetic outcomes were evaluated.
RESULTS: An improvement over time was found in crown length, BoP, papilla, the inclination of incisors, and overall appearance in IT cases and in crown colour and overbite in SC cases. A deterioration over time was found in crown length and BoP among the SC cases.
CONCLUSIONS: Among the IT cases, an improvement in outcomes was noted over time. When comparing SC cases the colour of the crown and overbite had improved, while crown length and BoP had deteriorated over time.
摘要：
背景：上颌侧切牙缺失患者最常见的治疗方法是种植体置换（IT）和正畸间隙闭合（SC）。治疗技术随着时间的推移而改变和改善，它是感兴趣的是知道是否改进之间的方法不同。
目的：比较一个或两个上颌侧切牙缺失患者的美学结果和其他临床表现，这些患者接受了10年的治疗时间差异，正畸间隙闭合或种植体置换。
方法：本研究共纳入88例患者。2011年至2018年期间接受治疗的44例患者被纳入后一个队列（LC）。将LC与早期队列(EC;n=44)进行比较，2001年至2008年。总共分析了132颗牙齿：EC中的62颗牙齿（IT病例中为28颗牙齿，SC病例中为34颗牙齿）和LC中的70颗牙齿（IT病例中为34颗牙齿，SC病例中为36颗牙齿）。评估长期临床和美学结果。
结果：发现牙冠长度随着时间的推移而改善，BoP,Papilla,门牙的倾斜度，IT病例的整体外观以及SC病例的牙冠颜色和咬合。在SC病例中，牙冠长度和BoP随时间恶化。
结论：在IT病例中，随着时间的推移,观察到结果有所改善.比较SC病例时，牙冠的颜色和咬合的颜色有所改善，而冠长和BoP随着时间的推移而恶化。
目的：比较一个或两个上颌侧切牙缺失患者的美学结果和其他临床表现，这些患者接受了10年的治疗时间差异，正畸间隙闭合或种植体置换。
方法：本研究共纳入88例患者。2011年至2018年期间接受治疗的44例患者被纳入后一个队列（LC）。将LC与早期队列(EC;n=44)进行比较，2001年至2008年。总共分析了132颗牙齿：EC中的62颗牙齿（IT病例中为28颗牙齿，SC病例中为34颗牙齿）和LC中的70颗牙齿（IT病例中为34颗牙齿，SC病例中为36颗牙齿）。评估长期临床和美学结果。
结果：发现牙冠长度随着时间的推移而改善，BoP,Papilla,门牙的倾斜度，IT病例的整体外观以及SC病例的牙冠颜色和咬合。在SC病例中，牙冠长度和BoP随时间恶化。
结论：在IT病例中，随着时间的推移,观察到结果有所改善.比较SC病例时，牙冠的颜色和咬合的颜色有所改善，而冠长和BoP随着时间的推移而恶化。
