Osteotomy procedures can be performed using conventional rotary instruments or piezoelectric surgery. Each technique has distinct advantages and disadvantages regarding surgical precision, patient outcomes, and recovery. To systematically review the literature comparing conventional rotary instruments and piezoelectric surgery in osteotomy procedures. PubMed, Cochrane Library, and Embase were systematically searched. Studies were included if they compared outcomes of conventional rotary instruments and piezoelectric surgery in osteotomy. Data on postoperative pain, swelling, surgical time, and other relevant outcomes were extracted. Thirteen studies met the inclusion criteria. Findings indicated no significant difference in postoperative swelling between the 2 techniques, whereas piezoelectric surgery was associated with reduced postoperative pain and improved tissue integration but required longer surgical times. Piezoelectric surgery shows potential benefits over conventional rotary instruments in specific contexts but requires longer operative times.
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http://dx.doi.org/10.1097/SCS.0000000000010951 | DOI Listing |
Theory Biosci
December 2024
Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
Can mathematical proofs be employed for the solution of fundamental molecular-level problems in biology? Recently, I mathematically tackled complex mechanistic problems arising during the synthesis of the universal biological currency, adenosine triphosphate (ATP) by the FF-ATP synthase, nature's smallest rotary molecular motor, using graph-theoretical and combinatorial approaches for the membrane-bound F and water-soluble F domains of this fascinating molecule (see Nath in Theory Biosci 141:249‒260, 2022 and Theory Biosci 143:217‒227, 2024). In the third part of this trilogy, I investigate another critical aspect of the molecular mechanism-that of coupling between the F and F domains of the ATP synthase mediated by the central γ-subunit of nanometer diameter. According to Nath's torsional mechanism of energy transduction and ATP synthesis the γ-subunit twists during ATP synthesis and the release of stored torsional energy in the central γ-stalk causes conformational changes in the catalytic sites that lead to ATP synthesis, with 1 ATP molecule synthesized per discrete 120° rotation.
View Article and Find Full Text PDFIndian J Radiol Imaging
January 2025
Department of Radiology, Dr. Bhim Rao Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences New Delhi, India.
The aim of this study was to assess efficacy of large language models (LLMs) for converting free-text computed tomography (CT) scan reports of head and neck cancer (HNCa) patients into a structured format using a predefined template. A retrospective study was conducted using 150 CT reports of HNCa patients. A comprehensive structured reporting template for HNCa CT scans was developed, and the Generative Pre-trained Transformer 4 (GPT-4) was initially used to convert 50 CT reports into a structured format using this template.
View Article and Find Full Text PDFIndian J Radiol Imaging
January 2025
Department of Radiodiagnosis and Interventional Radiology, All India Institute of Medical Sciences, New Delhi, India.
Synthesized mammography (SM) refers to two-dimensional (2D) images derived from the digital breast tomosynthesis (DBT) data. It can reduce the radiation dose and scan duration when compared with conventional full-field digital mammography (FFDM) plus tomosynthesis. To compare the diagnostic performance of 2D FFDM with synthetic mammograms obtained from DBT in a diagnostic population.
View Article and Find Full Text PDFInt J Implant Dent
December 2024
Department of Oral and Maxillofacial Surgery, University Medical Center, Johannes Gutenberg University, Augustusplatz 2, 55131, Mainz, Germany.
Purpose: To evaluate whether there are clinical benefits by preparing dental implant sites using piezosurgery instead of conventional rotary drills in healed bone crests and if initial crestal soft tissue thickness could have an impact on marginal bone loss.
Methods: Twenty-five partially edentulous patients requiring two single implants in molar/premolar areas had each site randomly allocated to either piezosurgery or to conventional rotary drill preparation according to a split-mouth design. Definitive screw-retained metal-ceramic crowns were delivered after 6 months.
Materials (Basel)
November 2024
Nuclear Physics Institute of the Czech Academy of Sciences, Husinec-Řež 130, 250 68 Řež, Czech Republic.
The impact of manufacturing strategies on the development of residual stresses in Dievar steel is presented. Two fabrication methods were investigated: conventional ingot casting and selective laser melting as an additive manufacturing process. Subsequently, plastic deformation in the form of hot rotary swaging at 900 °C was applied.
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