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1.
Korean Journal of Otolaryngology - Head and Neck Surgery ; : 135-147, 2021.
Article in English | WPRIM | ID: wpr-920219

ABSTRACT

Oncological resection followed by reconstruction with a free fibular graft is still considered to be the gold standard treatment for functional and prosthetic rehabilitation of oral cancer patients. But this tedious traditional process is challenging for surgeons, as they have to deal with associated curve anatomy, surrounding innervations, and maintenance of functional and aesthetical acceptability. Such manual and operator’s skill dependent surgery can commonly demand a longer treatment duration; leading to an increased risk for prolonging the period of ischemia with increased morbidity, which frequently ends with an uncertain, unsatisfactory outcome. Technological advancements in the 20th and 21st centuries present a revolutionary improvement in the field of reconstructive surgery. Virtual surgical planning (VSP) and threedimensional (3D) bio-printing incorporating computer-aided design and computer-aided modeling is a promising tech in modern head and neck reconstruction. This recent innovation is more polished regarding initiation of patient-customized models, pre-bent plates, and osteotomy guides which further increase surgical precision, improve operative efficiency, ensure proper wound healing, shorten operative time, reduce operative cost, and decrease morbidities. This review focuses on the virtual surgical planning and 3D bio-printing technologies to evaluate their efficiency of qualitative and quantitative outcomes of resection and reconstruction of mandible in head-neck cancer using fibular graft.

2.
Journal of Dental Anesthesia and Pain Medicine ; : 11-19, 2019.
Article in English | WPRIM | ID: wpr-739999

ABSTRACT

Hyaluronic acid (HA) has long been studied in diverse applications. It is a naturally occurring linear polysaccharide in a family of unbranched glycosaminoglycans, which consists of repeating di-saccharide units of N-acetyl-D-glucosamine and D-glucuronic acid. It is almost ubiquitous in humans and other vertebrates, where it participates in many key processes, including cell signaling, tissue regeneration, wound healing, morphogenesis, matrix organization, and pathobiology. HA is biocompatible, biodegradable, muco-adhesive, hygroscopic, and viscoelastic. These unique physico-chemical properties have been exploited for several medicinal purposes, including recent uses in the adjuvant treatment for chronic inflammatory disease and to reduce pain and accelerate healing after third molar intervention. This review focuses on the post-operative effect of HA after third molar intervention along with its various physio-chemical, biochemical, and pharmaco-therapeutic uses.


Subject(s)
Humans , Acetylglucosamine , Biocompatible Materials , Glycosaminoglycans , Hyaluronic Acid , Molar, Third , Morphogenesis , Regeneration , Vertebrates , Wound Healing
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