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  1. 1241
    “…The evaluation was based on clinical and radiological examination. The crown-to-implant ratio was determined by dividing the length of the crown together with the abutment by the length of the implant placed crestally. …”
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    The Influence of the Crown-Implant Ratio on the Crestal Bone Level and Implant Secondary Stability: 36-Month Clinical Study
  2. 1242
    “…The natural crown bonding technique, using tooth fragments and a direct composite resin, successfully restored all of the fractured anterior teeth. …”
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    Natural Crown Bonding of Anterior Fractured Teeth at Different Levels of Complexity: A 14-Month Follow-up
  3. 1243
    “…The wheat (Triticum aestivum L.) crown is the critical organ of low temperature stress survival over winter. …”
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    Tissue-specific changes in apoplastic proteins and cell wall structure during cold acclimation of winter wheat crowns
  4. 1244
    “…PURPOSE: To investigate the fatigue and fracture resistance of computer-aided design and computer-aided manufacturing (CAD/CAM) ceramic molar crowns on dental implants and human teeth. MATERIALS AND METHODS: Molar crowns (n=48; n=8/group) were fabricated of a lithium-disilicate-strengthened lithium aluminosilicate glass ceramic (N). …”
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    In vitro performance and fracture resistance of novel CAD/CAM ceramic molar crowns loaded on implants and human teeth
  5. 1245
    “…Reactions of glycidyl methacrylate with the crown and chair conformers of tetra(4-hydroxyphenyl)calix[4]resorcinarene were studied. …”
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    Selective O-Alkylation of the Crown Conformer of Tetra(4-hydroxyphenyl)calix[4]resorcinarene to the Corresponding Tetraalkyl Ether
  6. 1246
    “…PURPOSE: To evaluate the fit of a crown produced based on a 3D printed model and to investigate its clinical applicability. …”
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    Evaluation of the marginal and internal fit of a single crown fabricated based on a three-dimensional printed model
  7. 1247
    “…This paper describes a synthetic approach to a novel D-glucose-conjugated 15-crown-5 ether having a spiroketal structure starting from a 1-C-vinylated glucose derivative. …”
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    Synthesis of a Novel D-Glucose-Conjugated 15-Crown-5 Ether with a Spiro Ketal Structure
  8. 1248
    “…BACKGROUND: Chemosensation is a critical signalling process for all organisms and is achieved through the interaction between chemosensory receptors and their ligands. The Crown-of-thorns starfish, Acanthaster planci species complex (COTS), is a predator of coral polyps and Acanthaster cf. solaris is currently considered to be one of the main drivers of coral loss on the Great Barrier Reef in Queensland, Australia. …”
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    Putative chemosensory receptors are differentially expressed in the sensory organs of male and female crown-of-thorns starfish, Acanthaster planci
  9. 1249
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    Noise-induced vocal plasticity in urban white-crowned sparrows does not involve adjustment of trill performance components
  10. 1250
    “…Dibenzo-24-crown-8 (DB24C8)-bearing copolymers were synthesized by radical copolymerization using a DB24C8-carrying acrylamide derivative and N-isopropylacrylamide monomers. …”
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    Synthesis and Characterization of Alkali Metal Ion-Binding Copolymers Bearing Dibenzo-24-crown-8 Ether Moieties
  11. 1251
    “…A crude product from octol formation reaction was analyzed by reverse-phase high-performance liquid chromatography (RP-HPLC), and two well-resolved signals corresponding to the crown and chair isomers were found. A reverse phase in solid-phase extraction (RP-SPE) protocol allowed the separation of the two stereoisomers with high purity of each isomer. …”
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    Analysis by RP-HPLC and Purification by RP-SPE of the C-Tetra(p-hydroxyphenyl)resorcinolarene Crown and Chair Stereoisomers
  12. 1252
    “…Eighty implant-abutment-crown units were divided into four groups: Group T-MC (control): 20 metal-ceramic crowns cemented onto titanium abutments; Group Z-Z: 20 zirconia crowns on zirconia abutments; Group Z-LD: 20 lithium disilicate crowns on zirconia abutments; and Group Z-NCR: 20 nano-ceramic resin crowns on zirconia abutments. …”
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    Fracture resistance and the mode of failure produced in metal-free crowns cemented onto zirconia abutments in dental implants
  13. 1253
    “…This case report accentuation the inventive strategy of overseeing crown root break treated effectively utilizing tooth part reattachment.…”
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    Esthetic management of complicated crown fracture of three permanent maxillary teeth by grout technique -A case report
  14. 1254
    “…STATEMENT OF PROBLEM: In some clinical situations, the vertical length of either a prepared tooth or an implant abutment is short, while the occlusal clearance to be restored by a porcelain crown is large. Incisal thickness of the veneering porcelain should be considered to prevent mechanical failure of the crown. …”
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    Effect of Incisal Porcelain Veneering Thickness on the Fracture Resistance of CAD/CAM Zirconia All-Ceramic Anterior Crowns
  15. 1255
    “…The mean marginal gaps between dental crowns with die models were 76 ± 61 μm, 116 ± 92 μm, and 121 ± 98 μm for groups A, B, and C, respectively. …”
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    Evaluation of marginal adaptation of Co—Cr—Mo metal crowns fabricated by traditional method and computer-aided technologies
  16. 1256
    “…This study was conducted to test the hypothesis that heat-bonding with a liner positively affects the bond strength and fracture resistance of an implant-supported glass–ceramic crown bonded to a zirconia abutment produced by a computer-aided design/computer-aided milling (CAD/CAM) procedure. …”
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    Effects of Liner-Bonding of Implant-Supported Glass–Ceramic Crown to Zirconia Abutment on Bond Strength and Fracture Resistance
  17. 1257
    “…Fusarium crown rot (FCR), caused primarily by Fusarium pseudograminearum, is a devastating disease for cereal production in semi-arid regions worldwide. …”
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    A Novel QTL Conferring Fusarium Crown Rot Resistance Located on Chromosome Arm 6HL in Barley
  18. 1258
    “…In this paper, we analyzed the differences in leaf traits traditionally associated with changes in the intensity of water stress between east and west crown orientations in three Quercus species. The leaves facing west experienced similar solar radiation levels but higher maximum temperatures and lower daily minimum water potentials than those of the east orientation. …”
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    Foliar plasticity related to gradients of heat and drought stress across crown orientations in three Mediterranean Quercus species
  19. 1259
    “…Sometimes repeated removals of a cement-retained implant crown are needed such as for treatment of peri-implantitis or immediate implant provisionalization. …”
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    Using Er:YAG laser to remove lithium disilicate crowns from zirconia implant abutments: An in vitro study
  20. 1260
    por Bhimani, Rishi A., Sofia, Nabila D.
    Publicado 2019
    “…This clinical report describes the successful use of aesthetic crown lengthening, lip-repositioning technique as well as gingival depigmentation for the reduction of excessive gingival display and dark gums, respectively. …”
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    Lip Repositioning, Aesthetic Crown Lengthening, and Gingival Depigmentation: A Combined Approach for a Gummy Smile Makeover
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