Four single implant-supported crowns replacing the maxillary incisors: A retrospective report of 10 cases with 2-9?years of follow-up

被引:1
|
作者
Koster, Maysa [1 ]
Dias, Debora R. [1 ,3 ]
Zimiani, Gabriela de S. [1 ]
Santos, Rafael P. da M. [1 ]
de Oliveira, Ricardo P. [2 ]
Araujo, Mauricio G. [1 ]
Hayacibara, Roberto M. [1 ]
机构
[1] Univ Estadual Maringa, Dept Dent, Maringa, Brazil
[2] Univ Estadual Maringa, Dept Stat, Maringa, Brazil
[3] Univ Estadual Maringa, Ave Mandacaru 1550,Bloco S-08, BR-87080000 Maringa, Parana, Brazil
关键词
case series; clinical study; esthetics; implant-supported fixed dental prostheses; maxillary incisors; narrow-diameter implants; unitary crown; NARROW-DIAMETER IMPLANTS; ANTERIOR MAXILLA; BONE LOSS; INTERIMPLANT DISTANCE; ADJACENT IMPLANTS; TOOTH EXTRACTION; CONSENSUS REPORT; PAPILLA; HEIGHT; REHABILITATION;
D O I
10.1111/clr.14175
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
ObjectiveThis retrospective case series aimed to assess the stability of the papilla around four single crowns supported by narrow-diameter implants replacing all maxillary incisors. Secondary objectives included assessment of marginal bone level stability, incidence of technical and biological complications, and patient satisfaction.Materials and MethodsIndividuals with four adjacent implants in maxillary incisor sites, placed with a 3 mm inter-implant distance and rehabilitated with single crowns were included. Retrospective data were obtained from photographs and radiographs taken at the delivery of the prosthesis (baseline-T0). Patients were then recalled (& GE;2 years after T0) for clinical and radiographic examination (follow-up-T1). Photographs were obtained and patient satisfaction was assessed using a visual analogue scale. Papilla height and marginal bone level were compared over time.ResultsData from 10 patients with medium-low smile lines and rehabilitated with 40 implants, in function for 5.4 & PLUSMN; 1.9 years, were analyzed. The papilla height between implants (T0: 2.3 & PLUSMN; 0.9 mm; T1: 2.6 & PLUSMN; 0.7 mm; p = .011) and between tooth and implant (T0: 3.4 & PLUSMN; 0.9 mm; T1: 3.8 & PLUSMN; 0.8 mm; p = .025) increased significantly over the years. The marginal bone level remained stable over time (T0: 0.88 & PLUSMN; 0.57 mm; T1: 0.71 & PLUSMN; 0.67 mm; p = .007). Patients were highly satisfied (97.7 & PLUSMN; 0.3%) with the treatment outcome.ConclusionWithin its limitations, this study demonstrated that four single implant-supported crowns placed at maxillary incisor sites may exhibit soft tissue and marginal bone stability over a long period of time. This treatment approach, however, should be restricted to few patients as it requires a proper case selection and skillful execution of all surgical and prosthetic steps.
引用
收藏
页码:1438 / 1449
页数:12
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