Results 91 to 100 of about 3,217,305 (276)

Bimanual instrument suturing technique for periodontal and implant microsurgery: A technical note

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background In the traditional suturing technique, the dominant hand (DH) holds a needle holder, and the non‐dominant hand (NH) performs manual ties without the aid of an instrument. In periodontal and implant microsurgery, finer sutures and needles, e.g., 7‐0 in International Organization for Standardization units, are used, which could be ...
Mark Gordon   +5 more
wiley   +1 more source

Analysis of Tooth Surface Error of Topology Modification Gear

open access: yesJixie chuandong, 2017
When gear topology modification using the forming method grinding,the tooth profile modification is achieved by trimming the wheel truncation,while the tooth modification is achieved by adding an additional movement of the wheel or gear.
Wang Zhonghou   +3 more
doaj  

Research on Digital Design and Tooth Shape Optimization of Non-circular Gears Based on Envelope Features

open access: yesJixie chuandong, 2022
Based on the principle of gear meshing and differential geometry theory, the motion coordinate conversion relationship between the gear cutter and the non-circular gear tooth blank is obtained, and the machining process of the non-circular gear tooth ...
Yongping Liu   +4 more
doaj  

A case series of necrotizing periodontal diseases in hospitalized patients: What hasn't been said yet?

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background Necrotizing periodontal diseases (NPDs) are uncommon and severe inflammatory conditions characterized by tissue necrosis, painful ulceration, and rapid clinical progression, frequently associated with systemic immunosuppression. Limited data exist regarding their clinical presentation and management in hospital settings.
Osmaria Letthycia Carvalho Leal   +8 more
wiley   +1 more source

Guided bone regeneration using CAD‐CAM zirconia barriers: A case series with digital evaluation of bone changes

open access: yesClinical Advances in Periodontics, EarlyView.
Background CAD/CAM zirconia barriers represent an advanced option for guided bone regeneration (GBR) in three‐dimensional defects, integrating mechanical stability, biocompatibility, and digital precision. The objectives of this case series were to evaluate, clinically, histologically, and three‐dimensionally, the use of customized zirconia barriers ...
Roberto Ledergerber   +5 more
wiley   +1 more source

Modification of Differential Gear based on Multi-objective Optimization

open access: yesJixie chuandong, 2020
In order to reduce vibration and noise, the modification of the tooth profile of the planetary gear and the eccentric helix are studied. The influence of tooth profile modification,helix modification, helix modification factorⅠand helix modification ...
Qiqi Feng   +5 more
doaj  

Mesh stiffness modeling considering actual tooth profile geometry for a spur gear pair

open access: yes, 2018
Some tooth profile geometric features, such as root fillet area, flank modification and wear are of nonnegligible importance for gear mesh stiffness.
Qinghua Zhou   +5 more
core   +1 more source

Antimicrobial Peptides and Peptidomimetics in Foods – A Synthetic Foray

open access: yesChemFoodChem, EarlyView.
This Review discusses AMPs in foods and their syntheses. It espouses facile methods to make them accessible and suggests their utility in the mitigation and eradication of the burgeoning maladies of antimicrobial and multidrug resistance (AMR and MDR).
Josephat U. Izunobi   +2 more
wiley   +1 more source

Equivalent Substitution of Stress Balanced Tooth Profile based on Eccentricity Modification

open access: yesJixie chuandong, 2018
By the theory of equivalent substitution,the FT455 model with high precision FT pin-cycloid is used as the carrier,and based on the way of eccentricity modification,the equivalent substitution of stress balanced tooth profile is carried out.
Xuan Liang   +3 more
doaj  

Bacterial Species Associated With Chronic Inflammation and Oral Cancer. A Comparative Study Between Patients With HNC and Patients With Chronic Periodontitis

open access: yesCancer Nexus, EarlyView.
ABSTRACT Objective To compare the presence and quantification of selected periodontopathogenic bacterial species and salivary parameters between patients with head and neck cancer (HNC) treated with radiotherapy and patients with chronic periodontitis, using chronic periodontitis as a reference model of oral dysbiosis.
Tanya Pereira‐Riveros   +4 more
wiley   +1 more source

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