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Research progress on surface modification and coating technologies of biomedical NiTi alloys.
Colloids Surf B Biointerfaces
January 2025
College of New Energy and Materials, China University of Petroleum, Beijing 102249, China. Electronic address:
NiTi alloys are an important class of biomaterials with extensive clinical applications such as cardiovascular stents, orthodontic arch-wires, esophageal stents, orthopedic implants and more. However, the long-term implantation of NiTi alloys presents significant challenges due to their susceptibility to wear, corrosion and the excessive release of harmful nickel ions. These factors can severely compromise both the biocompatibility and the overall service life of the implants.
View Article and Find Full Text PDFInadvertent Ingestion of Orthodontic Wire Impacted in the Esophagus, Mistaken for a Chicken Bone.
Cureus
December 2024
ENT, York Teaching Hospital, York, GBR.
Accidental ingestion of foreign bodies frequently necessitates emergency department visits, with many cases requiring surgical consultation. Although most ingested items pass through the gastrointestinal tract uneventfully, orthodontic components, such as wires, present a specific risk due to their shape and material properties. This report describes a rare case of a 13-year-old male adolescent whose initial presentation suggested ingestion of a chicken bone.
View Article and Find Full Text PDFDistal augmentation in unstable distal clavicle fractures: a retrospective cohort study of 101 cases.
Arch Orthop Trauma Surg
January 2025
The Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, 123, Ta Pei Road, Niao Sung Dist, Kaohsiung, Taiwan.
Introduction: The optimal management strategy for unstable distal clavicular fractures remains controversial. Recent studies on plate techniques have reported good-to-excellent outcomes with no serious complications. The questions are that: (1) Does the use of wire augmentation with locking plate in distal part (distal wire augmentation) reduce radiographic loss of reduction (RLOR) and get earlier bony union in distal clavicular fractures? (2) Which fixation methods are associated with a higher incidence of acromioclavicular (AC) joints arthritis or subluxation? We collected and analyzed clinical studies on different plate fixation methods for unstable fractures to identify the best surgical modality.
View Article and Find Full Text PDFComparing the Impact of Titanium and Stainless Steel Retainers on Lower Incisor Stability, Periodontal Health, and Retainer Survival: A Preliminary Study.
Turk J Orthod
December 2024
Trakya University Faculty of Dentistry, Department of Orthodontics, Edirne, Turkey.
Objective: This study aims to compare the impact of titanium and stainless steel (SS) retainer wires on lower incisor stability and periodontal health.
Methods: Fifty patients between the ages of 14.1 and 29.
Objectives: To compare the biomechanics of labial and lingual fixed orthodontic treatment options for a simulated curve of Spee malocclusion.
Materials And Methods: An in vitro electromechanical orthodontic simulator was used to measure the three-dimensional forces and moments on each tooth of a mandibular arch. Labial and lingual brackets, both with 0.
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