Results 111 to 120 of about 3,396,469 (266)
OBJECTIVE: This study aimed to assess the fracture resistance of chairside computer assisted design and computer assisted manufacturing (CAD-CAM) lithium disilicate partial and full-coverage crowns and veneers for maxillary canines. METHODS AND MATERIALS:
Rojas-Rueda, S. +5 more
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Synthesis of Unsymmetrical Chiral Triaza-18-crown-6 and Diaza-12-crown-4 with a Pendant Group
, 2016 Synthesis of Unsymmetrical Chiral Triaza-18-crown-6 and Diaza-12-crown-4 with a Pendant ...
Seok Jong Lee (2395072) +4 more
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Deep Underground Science and Engineering, EarlyView.An analytical framework delivers a closed‐form stress solution for lined compressed air energy storage chambers, enabling the determination of the minimum safe burial depth. The solution quantitatively evaluates lining support effectiveness, offering a reliable tool for chamber design and optimization.
Zeyuan Sun +3 more
wiley +1 more source
Full mouth crown lengthening: a case report [PDF]
, 2011 Aims and objectives: Crown lengthening is a surgical procedure which aims at removal of periodontal tissue to increase the clinical crown height and reestablishing the biologic width.
Anika Daing; Department of periodontics, Faculty of dental sciences, C.S.M.M.U(erstwhile KGMC),Lucknow +2 more
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The forty-five specimens which were fabricated by 3D printer.
, 2018 (A) Original specimens; (B) A specimen prepared for porcelain veneer; (C) A specimen prepared for all ceramic crown.
Fangfang Sun (2410654) +3 more
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Deep Underground Science and Engineering, EarlyView.For the roof of coral reef limestone caverns, a novel tension‐shear composite failure mechanism was developed. The most critical tensile crack model was identified using a hybrid optimization algorithm, and the stability of the cavern roof was analyzed accordingly.
Dongsheng Xu, Chenxu Li, Chuantan Hou
wiley +1 more source
Comparison of convergence angle of prepared teeth for full veneer metal ceramic crowns.
Journal of the College of Physicians and Surgeons--Pakistan : JCPSP, 2011 To compare clinically practiced convergence angle values of tooth preparation with recommended values, and also the effect of tooth position and operator experience on convergence angle.Analytical study.The study was carried out at the Dental clinic, The Aga Khan University Hospital, Karachi, from January to June 2007.A minimum of 75 crown preparation ...
Robia, Ghafoor +2 more
openaire +1 more source
Investigation on tunnel stability considering pipe‐roof support with transparent soil technology
Deep Underground Science and Engineering, EarlyView.This study integrates transparent soil technology, 3D reconstruction and numerical simulation to captures the full‐field deformation of shield tunnel instability. Results demonstrate that pipe‐roof support enhances stability via the “soil‐arching barrier effect,” effectively restraining failure wedge development by extending stress transfer paths ...
Zhi Jia +4 more
wiley +1 more source
Deep Underground Science and Engineering, EarlyView.This study presents large‐scale similarity model testing (geometric ratio 3.6) of an innovative multiple‐layered lining system—comprising exterior precast segments, middle self‐compacting concrete, and an interior steel pipe—for high‐pressure (0.75 MPa) water conveyance tunnels.
Ramin Asadi +4 more
wiley +1 more source
The effect of cyclic loading on the retentive strength of full veneer crowns
, 2000 Dislodgement of a crown or extension bridge and the loosening of a retainer of a bridge is a serious clinical problem in fixed restoration. Generally these problems are considered to be associated with deformation of the restoration.
김기연 +4 more
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