Results 121 to 130 of about 70,661 (389)

In vitro evaluation of retreatment efficacy of Mtwo rotary instruments

open access: yes口腔疾病防治, 2017
Objective To evaluate the efficacy of Mtwo rotary instruments during root canal retreatment. Meth⁃ ods Thirty mandibular premolars with oval root canal were prepared with ProTaper rotary instruments and obturated with lateral condensation method.
TONG Fangli, YANG Qin, ZENG Xiongqun
doaj   +1 more source

Integrin‐Piezo1 Axis Drives ECM Remodeling and Invasion of 3D Breast Epithelium

open access: yesAdvanced Science, EarlyView.
Mechanical stiffening of the extracellular matrix around mature mammary acini induces sequential remodeling phases. An early response disrupts the basement membrane and promotes fibronectin secretion, followed by delayed invasion with matrix reorganization and proliferation.
Kabilan Sakthivel   +8 more
wiley   +1 more source

Outcomes of Primary Endodontic Therapy Provided by Endodontic Specialists Compared to Other Providers [PDF]

open access: yes, 2016
Introduction: The objective of this study was to compare the outcomes of initial non-surgical root canal therapy (NSRCT) for different tooth types provided by both endodontists and other providers.
Burry, Jacob
core   +1 more source

An evaluation of mesiodentes: A retrospective study with cone-beam computed tomography [PDF]

open access: yes, 2018
Background: The mesiodens, located in the palatal midline between the two maxillary central incisors, is the most common type of supernumerary tooth. The aim of this study was to evaluate the distribution of mesiodentes according to shape, position, and ...
Akay, Gülsün   +2 more
core   +2 more sources

Human Atlas of Tooth Decay Progression: Identification of Cellular Mechanisms Driving the Switch from Dental Pulp Repair Toward Irreversible Pulpitis

open access: yesAdvanced Science, EarlyView.
Tooth decay progression transforms the dental pulp response from repair to fibrosis. At early stages, stromal cells reprogram to repair the extra cellular matrix (ECM), blood vessels, and nerves, remodel and grow, keeping repair possible. In advanced decay, hypoxia, and vessel regression, in complement with an immune switch, fuel nerve degeneration and
Hoang Thai Ha   +12 more
wiley   +1 more source

In vitro comparison of the efficacy of rotary and hand files in removing gutta-percha and sealer from the root canals

open access: yesمجله دانشکده دندانپزشکی اصفهان, 2012
Introduction: An important step in retreatment of root canals is removal of filling materials and sealers from the root canal. The aim of this study was to compare the efficacy of rotary and hand files in removing gutta-percha and sealer from the root ...
Elaheh Amini   +2 more
doaj  

Comparison of Microscopic Endodontic Techniques: A Systematic Review and Meta-Analysis

open access: yesPesquisa Brasileira em Odontopediatria e Clínica Integrada, 2021
Objective: To evaluate the success rates of resin-based endodontic surgery (RES) and endodontic microsurgery (EMS), and compare their results. Material and Methods: A total of 19 and 34 full-text papers were reviewed, and finally, 2 and 6 studies were ...
Samira Jamali   +5 more
doaj  

Connexin 26 Functions as a Direct Transcriptional Regulator During the Cochlea Development

open access: yesAdvanced Science, EarlyView.
Connexin26 can not only form intercellular channels that mediate rapid communication on the cell membrane, but also enter the nucleus as a transcription factor to directly regulate the transcription of nuclear genes. In the developing cochlea, Cx26 can control the maturation of the molecular scissor ADAM10 by regulating the transcription of TspanC8 ...
Xiaozhou Liu   +8 more
wiley   +1 more source

A novel ultrasonic tip for removal of filling material in flattened/oval-shaped root canals: a microCT study [PDF]

open access: diamond, 2018
Melissa Esther Rivera-Peña   +4 more
openalex   +2 more sources

Effectiveness of gutta-percha and Resilon in filling lateral root canals using the Obtura II system

open access: yesBrazilian Oral Research, 2011
The aim of this study was to evaluate the effectiveness of gutta-percha and Resilon in filling lateral root canals by using the Obtura II system. Root canals of artificial teeth were prepared using a standard protocol, and lateral canals were made in ...
Mario Tanomaru-Filho   +3 more
doaj   +1 more source

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