Titanium as a Reconstruction and Implant Material in Dentistry: Advantages and Pitfalls

Özcan, Mutlu; Hämmerle, Christoph

doi:10.3390/ma5091528

Cited by 190 publications

(126 citation statements)

References 101 publications

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“…Although they are stiffer than bone, their modulus of elasticity is closer to bone than any other implant material, with the exception of pure titanium. 3 This lower modulus of elasticity is desirable, as it results in a more favourable stress distribution at the boneimplant interface. 4 …”

Section: Introductionmentioning

confidence: 99%

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A study of mechanical properties of titanium alloy Ti-6al-4v used as dental implant material

2017

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Background: Titanium and its alloys are being extensively researched and are applied relatively in different fields of dentistry since 1970s. Its inherent advantages like high strength, ductility, low modulus of elasticity, ease of formation of oxidized surface layer, ability to retain mechanical integrity after autoclave and relatively low toxicity has led to extensive application of titanium and its alloys in implant dentistry.Methods: The Titanium alloy Ti-6Al-4V dental implant material used for the present study was procured from Mishra Dhatu Nigam (Midhani, Hyderabad). The mechanically polished samples were etched using Kroll’s reagent (5% hydrofluoric acid+10% nitric acid+85% water). The etched specimens were examined under optical microscope. Results: The primary α phase being the low temperature phase, is stable and shows single phase microstructure. The size and volume fraction of the primary α and transformed β phases depend on the solution treatment temperatures and the subsequent rate of cooling.Conclusions: The success of the treatment modality relies on the knowledge of the properties required to employ them at the right situation.

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Section: Introductionmentioning

confidence: 99%

“…Depending on the composition and heat treatment, both the alpha and beta forms may coexist. 2,3 Ti-6Al-4V, the alloy of present study is a 'α + β' type of titanium alloy. This alloy was introduced in 1954 and is often known as the 'Work Horse' alloy of Titanium.…”

Section: Introductionmentioning

confidence: 99%

A study of mechanical properties of titanium alloy Ti-6al-4v used as dental implant material

2017

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“…However, the Young's modulus of these materials is higher than that of mineralized tissue. Furthermore, the traditional structure of titanium for medical and dental implants is non-porous; this dense structure of implants can cause a mismatch between the Young's modulus of the titanium implant (110 GPa) and natural cortical (17)(18)(19)(20) and cancellous bone (around 4 GPa) [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Porous Titanium for Dental Implant Applications

Wally

Grunsven

Claeyssens

et al. 2015

Metals

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Abstract:Recently, an increasing amount of research has focused on the biological and mechanical behavior of highly porous structures of metallic biomaterials, as implant materials for dental implants. Particularly, pure titanium and its alloys are typically used due to their outstanding mechanical and biological properties. However, these materials have high stiffness (Young's modulus) in comparison to that of the host bone, which necessitates careful implant design to ensure appropriate distribution of stresses to the adjoining bone, to avoid stress-shielding or overloading, both of which lead to bone resorption. Additionally, many coating and roughening techniques are used to improve cell and bone-bonding to the implant surface. To date, several studies have revealed that porous geometry may be a promising alternative to bulk structures for dental implant applications. This review aims to summarize the evidence in the literature for the importance of porosity in the integration of dental implants with bone tissue and the different fabrication methods currently being investigated. In particular, additive manufacturing shows promise as a technique to control pore size and shape for optimum biological properties. OPEN ACCESSMetals 2015, 5 1903

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“…These characteristics make them perfect candidates for bone substitute in biomedical implants, where the properties of these foams can be tailored depending on the amount of porosity introduced to match that of the surrounding tissue or bone, thus avoiding the stress shielding problem. This phenomenon results from the nonuniform partitioning of load between the implant and the surrounding tissue or bone and is one of the major causes of failure in implants [2]. This inhomogeneity in load transfer occurs due to the large difference between the elastic moduli of the dense implant and the surrounding tissue or bone, where the dense material of the implant carries stresses without transmitting them into the bone, thus shielding it and leading to its disintegration in the body environment.…”

Section: Introductionmentioning

confidence: 99%

Titanium as a Reconstruction and Implant Material in Dentistry: Advantages and Pitfalls

Cited by 190 publications

References 101 publications

A study of mechanical properties of titanium alloy Ti-6al-4v used as dental implant material

A study of mechanical properties of titanium alloy Ti-6al-4v used as dental implant material

Porous Titanium for Dental Implant Applications

Open pore titanium foams via metal injection molding of metal powder with a space holder

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