Review Article Current Assessment of Reciprocation in Endodontic Preparation: A Comprehensive Review—Part II: Properties and Effectiveness Gianluca Plotino, Hany Mohamed Aly Ahmed, Nicola Maria Grande, Stephen Cohen, Frédéric Bukiet Radicular Cyst: An Update of the Biological Factors Related to Lining Epithelium Lisiane Bernardi, Fernanda Visioli, Carolina Nör, Pantelis Varvaki Rados Evolving Trends in Endodontic Research: An Assessment of Published Articles in 2 Leading Endodontic Journals Giorgos N. Tzanetakis, Spyridon Stefopoulos, Alexios L. Loizides, Vasileios D. Kakavetsos, Evangelos G. Kontakiotis Clinical Research Calcium Hydroxide versus Mineral Trioxide Aggregate for Direct Pulp Capping: A Cost-effectiveness Analysis Falk Schwendicke, Fredrik Brouwer, Michael Stolpe Microbiomes of Endodontic-Periodontal Lesions before and after Chemomechanical Preparation Brenda P.F.A. Gomes, Vanessa B. Berber, Alexis S. Kokaras, Tsute Chen, Bruce J. Paster Treatment Preferences for Toothache among Working Poor Canadians Amir Azarpazhooh, Carlos Quiñonez Unfinished Root Canal Treatments and the Risk of Cardiovascular Disease Po-Yen Lin, Kuo-Liong Chien, Hong-Ji Chang, Lin-Yang Chi Basic Research Biology Tumor Necrosis Factor Receptor-associated Factor 6 Plays a Role in the Inflammatory Responses of Human Periodontal Ligament Fibroblasts to Enterococcus faecalis Lan Zhang, Tingting Wang, Yu Lu, Qinghua Zheng, Yuan Gao, Xuedong Zhou, Dingming Huang Diminished Progression of Periapical Lesions with Zoledronic Acid in Ovariectomized Rats Marcelo Tadahiro Wayama, Hitoshi Yoshimura, Seigo Ohba, Hisato Yoshida, Shinpei Matsuda, Junichi Kobayashi, Motohiro Kobayashi, João Eduardo Gomes Filho, Kazuo Sano Root Canal Morphology and Configuration of 179 Maxillary First Molars by Means of Micro–computed Tomography: An Ex Vivo Study Benjamín Briseño-Marroquín, Frank Paqué, Karolin Maier, Brita Willershausen, Thomas Gerhard Wolf Dynamic Regulation of Delta-Opioid Receptor in Rat Trigeminal Ganglion Neurons by Lipopolysaccharideinduced Acute Pulpitis Jin Huang, Yiheng Lv, Yunjie Fu, Lili Ren, Pan Wang, Baozhu Liu, Keqiang Huang, Jing Bi Technology An Evaluation of Apical Cracks in Teeth Undergoing Orthograde Root Canal Instrumentation Elizabeth Rose, Timothy Svec Comparisons of the Retreatment Efficacy of Calcium Silicate and Epoxy Resin–based Sealers and Residual Sealer in Dentinal Tubules Hyunsuk Kim, Euiseong Kim, Seung-Jong Lee, Su-Jung Shin Influence of Heat Treatment of Nickel-Titanium Rotary Endodontic Instruments on Apical Preparation: A Micro–Computed Tomographic Study Bernardo Corrêa de Almeida, Fabíola Ormiga, Marcos César Pimenta de Araújo, Ricardo Tadeu Lopes, Inayá Corrêa Barbosa Lima, Bernardo Camargo dos Santos, Heloisa Gusman Quantifying Coronal Tooth Discoloration Caused by Biodentine and EndoSequence Root Repair Material Hannah Beatty, Timothy Svec A Comparison of Apical Bacterial Extrusion in Manual, ProTaper Rotary, and One Shape Rotary Instrumentation Techniques Rakesh Mittal, Meenu G. Singla, Ashima Garg, Anu Dhawan Apical Transportation, Centering Ability, and Cleaning Effectiveness of Reciprocating Single-file System Associated with Different Glide Path Techniques Guilherme Moreira de Carvalho, Emílio Carlos Sponchiado Junior, Angela Delfina Bittencourt Garrido, Raphael Carlos Comelli Lia, Lucas da Fonseca Roberti Garcia, André Augusto Franco Marques Addition of a Fluoride-containing Radiopacifier Improves Micromechanical and Biological Characteristics of Modified Calcium Silicate Cements Djordje Antonijevic, Anke Jeschke, Bozana Colovic, Petar Milovanovic, Danimir Jevremovic, Danilo Kisic, Annika vom Scheidt, Michael Hahn, Michael Amling, Vukoman Jokanovic, Björn Busse, Marija Djuric A Novel Dentin Push-out Bond Strength Model That Uses Micro–Computed Tomography Manoel Brito-Júnior, Graziela Bianchi Leoni, Rodrigo Dantas Pereira, André Luis Faria-e-Silva, Erica Alves Gomes, Yara Teresinha Silva-Sousa, Manoel Damião Sousa-Neto Case Report/Clinical Techniques Use of Cone-beam Computed Tomography during Retreatment of a 2-rooted Maxillary Central Incisor: Case Report of a Complex Diagnosis and Treatment Avi Levin, Avi Shemesh, Vered Katzenell, Ayelet Gottlieb, Joe Ben Itzhak, Michael Solomonov Large Reactional Osteogenesis in Maxillary Sinus Associated with Secondary Root Canal Infection Detected Using Cone-beam Computed Tomography Carlos Estrela, Olavo César Lyra Porto, Nádia Lago Costa, Marcel da Silva Garrote, Daniel Almeida Decurcio, Mike R. Bueno, Brunno Santos de Freitas Silva Inflammatory Myofibroblastic Tumor Mimicking Apical Periodontitis Makoto Adachi, Kazuki Kiho, Genta Sekine, Takahisa Ohta, Makoto Matsubara, Takakazu Yoshida, Akitoshi Katsumata, Jun-ichi Tanuma, Shinichiro Sumitomo