Research Associate and Senior Lecturer, Department of Reconstructive Dentistry & Gerodontology, School of Dental Medicine, University of Bern, Bern, Switzerland; Lecturer, Department of Restorative Dentistry and Biomaterials Sciences, Harvard School of Dental Medicine, Boston, Mass.
Assistant Professor, Department of Life Science Dentistry, The Nippon Dental University, Niigata, Japan.
J Prosthet Dent. 2022 Oct;128(4):605-610. doi: 10.1016/j.prosdent.2020.07.040. Epub 2021 Mar 5.
Vertical eruption of teeth adjacent to an implant has been reported clinically and might affect the esthetic outcome over time. The prevalence of the problem is unclear.
The purpose of this prospective clinical trial was to evaluate the vertical eruption of anterior maxillary teeth adjacent to single-implant crowns after a 3-year follow-up period.
Thirty single dental implants were inserted in maxillary anterior sites including the first premolar. The mean age of the participants at implant-supported crown insertion was 48.4 years (range 23 to 79 years). Each implant was restored with a 1-piece screw-retained ceramic single crown. The vertical changes of 60 adjacent anterior maxillary teeth were evaluated from periapical radiographs and casts at baseline, 6, 12, and 36 months.
A global ANOVA test showed statistically significant differences for the outcomes of the distance-implant platform and cement-enamel junction (DPC) (P<.001), crown length distal (P=.021) and mesial (P=.035), implant crown length (P=.022), and incisal edge to edge (P<.001).
Continuous vertical tooth eruption next to a single dental implant was observed in adult participants.
临床上已经报道了种植体邻牙的垂直萌出，并且随着时间的推移可能会影响美观效果。该问题的发生率尚不清楚。
本前瞻性临床试验的目的是评估在 3 年的随访期后，单冠种植体周围上前牙的垂直萌出情况。
将 30 颗单牙种植体植入上颌前牙区，包括第一前磨牙。在植入体支持的牙冠植入时，参与者的平均年龄为 48.4 岁（23 至 79 岁）。每个种植体都用 1 件螺丝固位陶瓷单冠修复。从基线、6 个月、12 个月和 36 个月的根尖片和模型上评估 60 颗相邻上前牙的垂直变化。
全局 ANOVA 检验显示，种植体平台与牙釉质交界处（DPC）的距离（P<.001）、冠长远中（P=.021）和近中（P=.035）、种植体冠长（P=.022）和切缘到切缘（P<.001）的结果存在统计学差异。
在成年参与者中观察到单颗牙种植体邻牙的持续垂直萌出。
