Local effect of titanium implant corrosion: an experimental study in rats

Olmedo, Daniel Gustavo; Duffó, G.S.; Cabrini, R. L.; Guglielmotti, M.B.

doi:10.1016/j.ijom.2008.05.013

Cited by 65 publications

(58 citation statements)

References 33 publications

(41 reference statements)

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“…Zaffe et al (2003) evaluated the pre and post-implantation surface features and surface alterations of titanium grids and plates in patients and observed, among other alterations, the presence of pitting on the surface of one of the grids. Experimental studies analyzing the biological effect of a type of localized corrosion, pitting corrosion, on the peri-implant environment have been conducted at our laboratory (Olmedo, 2008c). Pitting corrosion produces local attack, especially on isolated spots of the passivated metal surface, propagating into the metal.…”

Section: Tissue Response At the Metal-tissue Interfacementioning

confidence: 99%

Systemic and Local Tissue Response to Titanium Corrosion

Olmedo¹,

Tasat²,

Duffó³

et al. 2012

Pitting Corrosion

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Section: Tissue Response At the Metal-tissue Interfacementioning

confidence: 99%

Systemic and Local Tissue Response to Titanium Corrosion

Olmedo¹,

Tasat²,

Duffó³

et al. 2012

Pitting Corrosion

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“…In addition, it has been shown that the amount of metallic particles in macrophages at a short distance from the implants is higher than those at a greater distance from the implants. [2] It has been reported that cover screws have a great role in tissue irritation. Macrophages, adjacent to cover screws, contain larger amounts of metallic particles, [3] which might be attributed to differences in the alloys used in cover screws compared to implant fixtures, or the presence of different external colours used to colour-code the cover screws.…”

Section: Introductionmentioning

confidence: 99%

Histopathological evaluation of gingival tissue overlying two-stage implants after placement of cover screws

Paknejad

Bayani

Yaghobee

et al. 2015

Biotechnology & Biotechnological Equipment

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Corrosion of implant components, including that of cover screws, has been reported as a possible etiological factor for implant failure. This study evaluated the presence of metallic particles in the soft tissues overlying two-stage implants after placing cover screws, by using a histological technique and energy-dispersive X-ray spectroscopy. The results showed large and small titanium particles in different layers of the soft tissue overlying the implant and cover screws in the majority of samples, with more particles near the cover screws. These particles might have contributed to the various degrees of inflammatory reactions detected in the different layers of the overlying soft tissues. Further studies on the corrosion of implants' metallic components are recommended, so that the implant failure rates could be minimized.

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“…Pure titanium and titanium alloys are the most used biomaterials for fabrication of surgical implants due to their excellent mechanical properties, biocompatibility [1] and resistance to corrosion [2]. They are considered ideal materials because they have shown better acceptability by human tissues than other metals under diverse circumstances [1].…”

Section: Introductionmentioning

confidence: 99%

“…They are considered ideal materials because they have shown better acceptability by human tissues than other metals under diverse circumstances [1]. The discovery of relatively inert metals and alloys has led to the increasingly widespread use of metal implants in orthopedics and dentistry.…”

Section: Introductionmentioning

confidence: 99%

“…Pure titanium and titanium alloys are the most frequently used materials for osseointegrated dental and orthopedic implants because of their biocompatibility [3][4][5]. Biocompatibility is attributed to the formation of a protective layer of titanium dioxide (TiO 2 ) that avoids direct contact between the implant and its milieu [1]. This protective layer reduces the reactivity of the metal.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Surface Modification of Titanium Plate with Anodic Oxidation and Its Application in Bone Growth

Fadlallah¹,

Quahtany²,

El-Shenawy³

2013

JBNB

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Using implants for dental applications are well-accepted procedures as one of the solutions for periodontal defect repair. Suitable design and materials, their reaction with the surrounding hard tissues and interfacial biomechanical properties are still considered to be the primary criteria which need to be addressed. The purpose of present study was to evaluate the bone repair around pure titanium implants and porous surface using anodic oxidation technique, after their insertion in tibiae of rats (n = 15). Five animals received pure titanium-surface implants in tibia, 5 rough-surface implants (TiO 2 /Ti) in tibia and last five acted as control group. The interfacial integrity and compositional variation along the interface were studied using scanning electron microscope (SEM) with energy dispersive analysis of X-ray (EDX) and histopathology after 2 months. The rats were sacrificed 8 weeks after surgery and fragments of the tibiae containing the implants were submitted to histological analyses to evaluate new bone formation at the implant-bone interface as well as the tibiae were radio graphed. The SEM-EDX results confirmed the initial stability for the Ti implant, but the regeneration of new bone formation was faster in the case of TiO 2 /Ti implant, and hence could be used for faster healing. The results of the histological analysis showed that osseointegration occurred for both types of implants with similar quality of bone tissue. In conclusion, the porous-surface implants contributed to the osseointegration because they provide a larger contact area with surface roughness at implant-bone interface can help into the formation of physico-chemical bondage with the surrounding hard tissues.

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Local effect of titanium implant corrosion: an experimental study in rats

Cited by 65 publications

References 33 publications

Systemic and Local Tissue Response to Titanium Corrosion

Systemic and Local Tissue Response to Titanium Corrosion

Histopathological evaluation of gingival tissue overlying two-stage implants after placement of cover screws

Surface Modification of Titanium Plate with Anodic Oxidation and Its Application in Bone Growth

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