Results 51 to 60 of about 67,629 (308)

Dysregulation of Oral Microbial Eicosapentaenoic Acid Induced by Chronic Restraint Stress Exacerbates Periodontitis via M1 Macrophage Polarization

open access: yesAdvanced Science, EarlyView.
ABSTRACT The intricate interplay between chronic psychological stress and periodontitis, mediated by oral microbiota and macrophage polarization, remains largely enigmatic. Here, we demonstrate that chronic restraint stress (CRS) exacerbates periodontitis by inducing oral microbial dysbiosis and a consequential shift in host metabolism.
Shihong Luo   +13 more
wiley   +1 more source

Management of Different Types of Root Resorption Affecting Traumatised Permanent Maxillary Incisors—A Case Report

open access: yesCase Reports in Dentistry
Managing defects caused by pathological root resorption in permanent teeth can be challenging. If not diagnosed and treated efficiently, progressive root resorption can result in the loss of a tooth.
Manisha Deepanjan   +3 more
doaj   +1 more source

Management of external perforating root resorption by intentional replantation followed by Biodentine restoration

open access: yesDental Research Journal, 2015
Resorption of tooth structures can occur as a result of physiological, pathological, and idiopathic factors. Early diagnosis and appropriate treatment can prevent its serious complications.
Preeti Jain Pruthi   +3 more
doaj   +1 more source

Histopathological evaluation of root canal filling materials for primary teeth [PDF]

open access: yes, 2010
This study aimed to assess the response of apical and periapical tissues of dogs¿ teeth after root canal filling with different materials. Forty roots from dogs¿ premolars were prepared biomechanically and assigned to 4 groups filled with: Group I ...
Gatón Hernández, Patrícia   +6 more
core   +2 more sources

Description of the skull, braincase, and dentition of Moschognathus whaitsi (Dinocephalia, Tapinocephalia), and its palaeobiological and behavioral implications

open access: yesThe Anatomical Record, EarlyView.
Abstract A subadult Moschognathus whaitsi from the Eastern Cape Province, South Africa, was scanned using synchrotron radiation X‐ray computed tomography (SRXCT). Its subadult state allowed the cranial bones and teeth to be identified and individually reconstructed in 3D.
Tristen Lafferty   +3 more
wiley   +1 more source

Orthodontic Open-Coil Spring Deactivation Forces Differ with Varying Activation Levels [PDF]

open access: yes, 2018
Coil springs are used in orthodontics to deliver forces to move teeth. However, the optimal amount of activation to produce predictable, continuous deactivation forces, for the purpose of orthodontic tooth movement, is unclear.
Lubinsky, Ryan
core   +1 more source

The revision of baphetids from the Middle Pennsylvanian of the Czech Republic: Morphology, ontogeny, palaeoecology, and the reassessment of the phylogeny of Baphetoidea

open access: yesThe Anatomical Record, EarlyView.
Abstract The baphetoids represent a clade of the Carboniferous stem‐tetrapods (Middle Mississippian—Middle Pennsylvanian) with a characteristic extension of the orbits into antorbital vacuities, which formed keyhole‐shaped openings on the skull. The more derived baphetids were crocodile‐like piscivores frequently occurring in coal‐bearing lacustrine ...
Pavel Barták, Martin Ivanov, Boris Ekrt
wiley   +1 more source

Repairing invasive cervical root resorption by glass ionomer cement combined with mineral trioxide aggregate

open access: yesJournal of Dental Sciences, 2012
Cervical invasive root resorption is a type of external inflammatory root resorption that is relatively uncommon and aggressive, and leads to loss of tooth structure.
Ya-Ching Chang   +4 more
doaj   +1 more source

Long Term Outcome of Avulsed Immature Mandibular Incisor with Progressive External Root Resorption: 9 Years Follow-Up

open access: yeseJournal of Oral Maxillofacial Research, 2023
Background: Avulsion of permanent teeth is the most common in young permanent dentition. Replantation of immature teeth after avulsion represents a major challenge in terms of treatment management and long–term prognosis.
Lina Mickeviciene   +2 more
doaj   +1 more source

A volumetric 3-D digital analysis of dimensional changes to the alveolar process at implants placed immediately into extraction sockets [PDF]

open access: yes, 2016
open6The objective of this study was to validate the use of a novel method to elaborate 3-D data on dimensional changes to the alveolar process after one year of healing at implants placed immediately into extraction sockets.openSzathvary I.; Caneva M ...

core  

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