Efeito do condicionamento tecidual peri-implantar durante reabilitação unitária com coroa temporária implantossuportada em região estética
Aim: To analyze the behavior of peri-implant tissues during rehabilitation with provisional crowns in superior esthetic region. Methods: This longitudinal prospective interventional study evaluated the perimplantar and periodontal condition of 16 patients rehabilitated with implantsupported provis...
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| Formato: | Dissertação |
| Idioma: | pt_BR |
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Brasil
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| Endereço do item: | https://repositorio.ufrn.br/jspui/handle/123456789/27026 |
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| Resumo: | Aim: To analyze the behavior of peri-implant tissues during rehabilitation with provisional
crowns in superior esthetic region. Methods: This longitudinal prospective interventional study
evaluated the perimplantar and periodontal condition of 16 patients rehabilitated with implantsupported provisional crowns in esthetic area using the parameters of Visible Plaque Index
(VPI), Bleeding on probing (BoP) and Gingival Thickness (GT) of the adjacent teeth and the
prosthetic space (PS) in T0 (before implant placement surgery), T1 (installation of provisional
crown), and T2 (during soft tissue conditioning). The parameters: Probing Depth (PD),
Transparency in Probe (TP), Height/Width of the interdental papilla (HP/WP), Height/Width
of the provisional crown (HC / WC), and keratinized mucosa (KM) were performed on T1 and
T2. The parameters of the implant-supported prosthesis were compared to the same aspects of
adjacent teeth. Friedman and Wilcoxon tests were applied to analyze data from the follow-ups.
The comparison between the rehabilitated region and the adjacent teeth were achieved using
Wilcoxon test for paired sample. Both analyses showed significance level of 5%. Results: The
mean time of soft tissue conditioning was 40 days (mean of 2.6 sessions). There was an increase
on the VPI between T0 (31.1%) and T2 (40.5%), but without statistically significant difference
(p> 0.05). Regarding the BoP, it was not observed statistically significant differences over time
(T0 - 21%, T2 = 20.8%). For GT, there was statistically significant difference between follow
up periods (T0 - 1.66mm, T1 - 1.22mm, T2 - 1.16mm). The PD increased from T1 (1.76 mm)
to T2 (1.86 mm) without statistically significant difference. The same was observed with an
HC / WC (from 1.06 to 1.19) and HP / WP (0.62 to 0.84). The Wilcoxon test showed a not
significant result between T1 and T2 for HP / WP (p <0.05) and HC / WC (p <0.05). When
comparing the implant and the adjacent teeth area, the parameters that showed statistically
difference (p<0,05) of means were: HP/WP in T1, with a lower mean (0,62) than the adjacent
teeth (0.79); and GT at T0, when the implant area had a higher mean (1,66) than the adjacent
teeth (1,18). Conclusion: For this study, the provisional implant-supported crown promoted
alterations on the adjacent peri-implant soft tissue on GT, HP/WP, and HC/WC. |
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