Natalia
Palacios Garzón

• 2019

  Doctorado en Odontología

  Doctorado · Universitat de Barcelona · Barcelona, España

•  

  Máster de Formación Permanente en Cirugía Bucal e Implantología Avanzadas

  Máster · Universitat de Barcelona · Barcelona, España

• 2013

  Postgrado en Implantología Integral

  Especialista · Societat Catalana d'Odontologia i Estomatologia · Barcelona, España

• 2011

  Licenciado en Odontología

  Grado · Universitat de Barcelona · Barcelona, España

Sin actividad docente registrada

• 2022

  Marginal Bone Loss in Internal Conical Connection Implants Placed at the Crestal and Subcrestal Levels before Prosthetic Loading: A Randomized Clinical Study

  Materials

  ★ Alto impacto · Q1 · IF 4.287

  Autores · Natalia Palacios-Garzón, Elisabeth Mauri-Obradors, Raúl Ayuso‐Montero, Eugenio Velasco‐Ortega, José María Anglada-Cantarell, José López‐López

  The vertical position concerning the bone in which the implants are placed has been related as one of the factors causing marginal bone loss. The objective of this study was to evaluate the bone loss that occurs before prosthetic loading around tapered internal connection (CIC) implants placed at the crestal (C) and subcrestal (S) levels. Method: A randomized clinical trial (RCT) was carried out, with a sample size of 62 implants placed in 27 patients who underwent radiological controls on the day of placement, at one month, and at 4 months, and stability was measured by resonance frequency analysis (RFA) on three occasions. Results: Bone loss in implants C and S from the time of placement (T0) and the month after (T1) was not significant (p = 0.54) (C = 0.19 mm and S = 0.15 mm). The difference between one month (T1) and four months (T2) (C = 0.17 mm and S = 0.22 mm) was not significant either (p = 0.26). The difference between the day of placement (T0) and the third and last measurement (T2) was almost null (p = 0.94) (C = 0.35 mm and S = 0.36). The overall success rate of the implants was 97.8%. The stability of the implants measured with RFA went from 70.60 (T0) to 73.16 (T1) and 74.52 (T2). Conclusions: No significant differences were found in the bone loss for implants placed at the C and S levels. The millimeters of bone loss detected in both vertical positions did not have a significant impact on the stability of the implants.

  Ver publicación →Texto completo ↗DOI · 10.3390/ma15103729
• 2020

  Marginal Bone Loss in Implants with External Connection versus Internal Conical Connection Prior to Prosthetic Loading. A Randomized Clinical Study

  Coatings

  ★ Alto impacto · Q1 · IF 3.758

  Autores · Natalia Palacios-Garzón, Raúl Ayuso‐Montero, Enric Jané Salas, José María Anglada-Cantarell, José López‐López

  Introduction: The prosthetic connection of implants has been related to the loss of marginal bone. The aim of this study was to evaluate bone loss around external connection (EC) and internal conical connection (ICC) implants prior to prosthetic loading. Material and methods: A randomized clinical trial (RCT) was carried out, with a sample size of 93 implants (31 EC and 62 ICC) placed in 27 patients. Radiological controls were performed and stability was measured by resonance frequency analysis (RFA) on the day of placement, at 1 month and at 4 months after the placement. Results: Bone loss in EC implants was not statistically different than in ICC implants between the time of placement (T0) and the subsequent month (T1): (EC = 0.18 mm and ICC = 0.17 mm). Between one month (T1) and four months (T2): (EC = 0.39 mm and ICC = 0.19 mm) this difference was highly significant (p = 0.00). Bone loss between T0 and T2 was significantly lower in the ICC (EC = 0.57 mm and ICC = 0.36 mm), (p = 0.01). The overall success rate of the implants was 97.8%. The stability of the implants increased from 70.69 (T0) to 73.91 (T1) and 75.32 (T2). Conclusions: ICC showed less bone loss up to the time of prosthesis placement. Such bone loss did not have a significant impact on bone stability. Long term RCTs are needed to demonstrate whether this bone loss, which is more pronounced at the beginning in EC, tends to stabilize and equate to ICC.

  Ver publicación →Texto completo ↗DOI · 10.3390/coatings10111044
• 2019

  Bone Loss in Implants Placed at Subcrestal and Crestal Level: A Systematic Review and Meta-Analysis

  Materials

  ★ Alto impacto · Q1 · IF 4.287

  Autores · Natalia Palacios-Garzón, Eugenio Velasco‐Ortega, José López‐López

  BACKGROUND: To assess differences in marginal bone loss in implants placed at subcrestal versus crestal level. METHODS: An electronic and a manual research of articles written in English from Jaunary 2010 to January 2018 was performed by two independent reviewers. Clinical trials comparing bone loss for implants placed at crestal and subcrestal level were included. Pooled estimates from comparable studies were analyzed using a continuous random-effects model meta-analysis with the objective of assessing differences in crestal bone loss between the two vertical positions. RESULTS: 16 studies were included; 10 studies did not encounter statistically significant differences between the two groups with respect to bone loss. Three articles found greater bone loss in subcrestal implants; while 3 found more bone loss in crestal implants. A meta-analysis for randomized control trial (RCT) studies reported an average and non-statistically different crestal bone loss of 0.028 mm. CONCLUSIONS: A high survival rate and a comparable bone loss was obtained both for crestal and subcrestal implants' placement. Quantitative analysis considering a homogenous sample confirms that both vertical positions are equally valid in terms of perimplant bone loss. However, with respect to soft tissue; in presence of a thin tissue; a subcrestal placement of the implant should be preferred as it may reduce the probability for the implant to become exposed in the future and thus avoid the risk of suffering from peri-implant pathologies.

  Ver publicación →Texto completo ↗DOI · 10.3390/ma12010154
• 2018

  Comparison of Marginal Bone Loss Between Implants with Internal and External Connections: A Systematic Review

  The International Journal of Oral & Maxillofacial Implants

  Q3 · IF 1.088

  Autores · Natalia Palacios-Garzón, Elisabeth Mauri-Obradors, Xavier Roselló-Llabrés, Albert Estrugo‐Devesa, Enric Jané Salas, José López‐López

  PURPOSE: The objective of this systematic review was to compare the loss of marginal bone between implants with internal and external connections by analyzing results reported in studies published after 2010. MATERIALS AND METHODS: A literature search in MEDLINE with the keywords "dental implant connections, external internal implant connection, bone loss implant designs, internal and external connection implant studies in humans" was conducted. Clinical trials on human beings, comparing both connections and published in English, from 2010 to 2016 were selected. Their methodologic quality was assessed using the Jadad scale. RESULTS: From the initial search, 415 articles were obtained; 32 were chosen as potentially relevant based on their titles and abstracts. Among them, only 10 finally met the inclusion criteria. A total of 1,523 patients with 3,965 implants were analyzed. Six out of 10 studies observed that internal connections showed significantly less bone loss compared with external connections. The remaining four articles did not find statistically significant differences between the two connections. CONCLUSION: According to this systematic review and considering its limitation due to the degree of heterogeneity between the included studies, both internal and external connections present high survival rates. To assess whether marginal bone loss differs significantly between the two connections, more homogenous clinical studies are needed with identical implant characteristics, larger samples, and longer follow-up periods. Studies included in this review and characterized by long-term follow-ups showed that the external connection is a reliable connection on a long-term basis.

  Ver publicación →Texto completo ↗DOI · 10.11607/jomi.6190