Fronto-orbital reconstruction using polymethyl methacrylate implant

Ghosh, Samiran; Pramanick, Debolina; Ray, Amit; Burman, Richi; Saha, Ashistaru

doi:10.4103/njms.njms_10_17

Cited by 6 publications

(3 citation statements)

References 22 publications

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“…Case reports similar to the one presented show that manual graft customization techniques on stereolithographic models can be applied appropriately. In addition, they emphasize that the pre-surgical procedure reduces tissue damage caused by the release of the monomer after the graft is used (Ghosh et al, 2017). However, digital techniques have advanced and allow greater precision of the surgical procedure through the preparation of guides for osteotomies and for the repositioning of bone structures.…”

Section: Discussionmentioning

confidence: 99%

“…To perform the reconstruction of these defects, autogenous grafts and / or alloplastic materials can be used, such as titanium meshes, polyether ketone (PEEK), high density polyethylene (HDPE) and polymethylmethacrylate (PMMA). (Ghosh et al, 2017;Oliver et al, 2019) Discovered in 1930 by chemists Rowlland Hill and John Crawford and first applied by Otto Rohm in 1934, PMMA is a synthetic polymer of the methyl methacrylate monomer.…”

Section: Introductionmentioning

confidence: 99%

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The importance of reestablishing orbitary architecture for rehabilitation with an ocular prosthesis: a case report

Dallazen

Queiroz

Llantada

et al. 2021

RSD

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Anophthalmia is mainly caused by two etiological groups, trauma and medical conditions. In addition, anophthalmia creates difficulties in social, professional, and family adaptation due to psychological, and functional disorders related to eye loss. Studies show a positive influence on the personal relationship of patients with anophthalmia after being rehabilitated with ocular prostheses. However, in order to achieve a good aesthetic result in prosthetic eye rehabilitation, it is essential that the size and positioning of the orbital skeleton are adequate. Facial trauma can also cause defects associated with bone loss, and in these cases, reconstructive techniques aim to restore the appropriate bone contour. The aim of this work is to report a case where reconstructive treatment was performed on a patient victim of a long-term traffic accident sequel, using an alloplastic implant in polymethylmethacrylate (PMMA) and bone repositioning, so that an ocular prosthesis could be made. At the end of the treatment, after reconstruction of the frontal-nasal region in PMMA and repositioning of the left zygoma, the aesthetic objectives were achieved and the patient improved his self-esteem and social life.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The importance of reestablishing orbitary architecture for rehabilitation with an ocular prosthesis: a case report

Dallazen

Queiroz

Llantada

et al. 2021

RSD

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“…Moreover, PMMA-derived materials have also been applied in orthopaedic surgery as bone cement and in craniofacial implant restoration for the treatment of bone defects [ 16 , 17 , 18 ].…”

Section: Introductionmentioning

confidence: 99%

Graphene-Doped Poly (Methyl-Methacrylate) (Pmma) Implants: A Micro-CT and Histomorphometrical Study in Rabbits

Orsini

Carlo

Valbonetti

et al. 2021

IJMS

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Background—the graphene-doping procedure represents a useful procedure to improve the mechanical, physical and biological response of several Polymethyl methacrylate (PMMA)-derived polymers and biomaterials for dental applications. The aim of this study was to evaluate osseointegration of Graphene doped Poly(methyl methacrylate) (GD-PMMA) compared with PMMA as potential materials for dental implant devices. Methods—eighteen adult New Zealand white male rabbits with a mean weight of approx. 3000 g were used in this research. A total of eighteen implants of 3.5 mm diameter and 11 mm length in GD-PMMA and eighteen implants in PMMA were used. The implants were placed into the articular femoral knee joint. The animals were sacrificed after 15, 30 and 60 days and the specimens were evaluated by µCT and histomorphometry. Results—microscopically, all 36 implants, 18 in PMMA and 18 in DG-PMMA were well-integrated into the bone. The implants were in contact with cortical bone along the upper threads, while the lower threads were in contact with either newly formed bone or with marrow spaces. The histomorphometry and µCT evaluation showed that the GP-PMMA and PMMA implants were well osseointegrated and the bone was in direct contact with large portions of the implant surfaces, including the space in the medullary canal. Conclusions—in conclusion, the results suggest that GD-PMMA titanium surfaces enhance osseointegration in rabbit femurs. This encourages further research to obtain GD-PMMA with a greater radiopacity. Also, further in vitro and vivo animal studies are necessary to evaluate a potential clinical usage for dental implant applications.

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Past, Present, and Future of Soft‐Tissue Prosthetics: Advanced Polymers and Advanced Manufacturing

et al. 2020

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past 30 years, [12,13] it is only the last decade that has seen its rapid development as part of the fourth industrial revolution. [14] This change in practice is evidenced by the significant fraction of recent literature describing advances in 3D printed prostheses, including technological advances [4,15-18] and clinical reports. [19,20] Further innovations involving collaborations between clinicians, academics, and industry, promise even greater capabilities. The future will see 3D printers that can mix materials as desired during fabrication [21] and those that can 3D print organic semiconductors and piezoelectric polymers for sensing and bionics [22-24] (Figure 1). This report is focused on polymers for soft tissue, external, personalized, prosthetics with clinical applications for the ear, [25] nose, [26] eye, [27] face, [28] breast, [29] and hand. [30] The characteristics of both traditional and 3D printable polymeric materials, as well as current advanced manufacturing technologies and those in development, are also reviewed. The earliest evidence of prosthetics dates back to ≈2300 BC, where Egyptian mummies have been discovered with eye, nose, and genital reconstructions fashioned from plaster packed with mud, sand, linen, butter, or soda (Figure 1). [31] Wood, cloth, natural waxes, resins, and metals were later used as the material of choice for rudimentary prostheses. [32] Prostheses remained relatively unchanged for thousands of years until the 16th century, where prosthetic noses and eyes were made from parchment, wax, wood, hard rubber, gold, silver, and copper. [33] Metals continued as a fundamental material throughout the 19th century, largely due to their ability to be shaped and molded as needed. [34,35] One of the first polymers to be used in prosthetics, poly(methyl methacrylate) (PMMA), was developed in response to the glass shortages in the World Wars of the 20th Century. [36] This polymer went on to become the most common prosthetic material of the time, and still finds use today in artificial eyes [33] and prosthetic substructures. [37] Further innovations in the 20th century produced many new polymers, such as vinyls, copolymers, plastisols, and one of the most significant materials in prosthetics, silicone. [38] Discovered in the early 1900s by Fredrick Kipping, silicone was first used in prosthetics by George W Barnhart in 1960. [39] This versatile polymer remains a primary prosthetic material today due to its soft tissue-like properties, ease of manipulation, chemical inertness, durability, and excellent biocompatibility. [40,41] The search for alternative materials Millions of people worldwide experience disfigurement due to cancers, congenital defects, or trauma, leading to significant psychological, social, and economic disadvantage. Prosthetics aim to reduce their suffering by restoring aesthetics and function using synthetic materials that mimic the characteristics of native tissue. In the 1900s, natural materials used for thousands of years in prosthetics were replaced by syntheti...

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Fronto-orbital reconstruction using polymethyl methacrylate implant

Cited by 6 publications

References 22 publications

The importance of reestablishing orbitary architecture for rehabilitation with an ocular prosthesis: a case report

The importance of reestablishing orbitary architecture for rehabilitation with an ocular prosthesis: a case report

Graphene-Doped Poly (Methyl-Methacrylate) (Pmma) Implants: A Micro-CT and Histomorphometrical Study in Rabbits

Past, Present, and Future of Soft‐Tissue Prosthetics: Advanced Polymers and Advanced Manufacturing

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