Results 61 to 70 of about 1,721,695 (243)
Hybodont sharks of the English Bathonian and Callovian (Middle Jurassic). [PDF]
, 2008 Recent bulk sampling and study of museum collections has revealed a high diversity of hybodont sharks from the English Bathonian, with 15 species being recognised.
AGASSIZ +76 more
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Morphology of Root Canal Cross-sections of Resected Roots of First and Second Lower Molars [PDF]
, 2004 Precise preparation of the root canal ostium with a view to hermetical closing with retrograde root filling is an important prognostic factor determining the success of the procedure of tooth resection.
Domagala, Agnieszka +3 more
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Green discoloration of the crown after internal root resorption treatment with grey mineral trioxide aggregate (MTA) [PDF]
, 2011 Root resorption (RR) is the loss of dental hard tissues as a result of clastic activities. Internal inflammatory root resorption (IRR) is a type of RR characterized by progressive loss of tooth substance starting from the root canal wall.
Alonso Ezpeleta, Luis Oscar +4 more
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Tooth development - Root development
Swiss dental journal, 2022 Tooth development begins in the human embryo 28 to 40 days after ovulation. Epithelial cells grow into the ectomesenchymal parts of the jaw. An epithelial protrusion develops. Further penetration of the epithelial cells into the ectomesenchyma results in the formation of the dental papilla (Figs. 1, 2 and 3).
Markus, Schaffner +2 more
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PLoS ONE, 2013 We explored the relationship between growth in tooth root length and the modern human extended period of childhood. Tooth roots provide support to counter chewing forces and so it is advantageous to grow roots quickly to allow teeth to erupt into ...
M Christopher Dean, Tim J Cole
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Outcomes of Primary Endodontic Therapy Provided by Endodontic Specialists Compared with Other Providers [PDF]
, 2016 Introduction The objective of this study was to compare the outcomes of initial nonsurgical root canal therapy for different tooth types provided by both endodontists and other providers.
Bhagavatula, Pradeep +3 more
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The window approach for extraction of tooth root fragments: a different soft tissue management [PDF]
, 2018 Different techniques have been proposed for the removal of the apical portion of fractured teeth. The window approach was proposed in the past to remove a tooth root fragment through a buccal bone opening at the level of fragment.
Colaci, R., Pietrantoni, A., Pippi, R.
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Posts and the root-filled tooth [PDF]
British Dental Journal, 2005 It is clear that teeth often require significant reconstruction following root canal treatment. It is also evident that there is an enormous variety of ways that can be used to achieve this. Although there is some debate about the relative contributions of the root filling and coronal restoration to endodontic success, it is agreed that the best ...
openaire +2 more sources
Journal of Bone and Mineral Research, 2019 This is the first study to our knowledge to report a novel mutation in the interferon regulatory factor 8 gene (IRF8G388S) associated with multiple idiopathic tooth root resorption, a form of periodontal disease.
V. Thumbigere-Math +12 more
semanticscholar +1 more source
Jixie chuandong, 2013 Based on finite element optimization analysis principle and using of characteristics of NURBS spline curve,through the shape optimization of standard involute gear tooth root part operated in Pro/E and ANSYS workbench software,a new realization method of
董新华, 马勇, 柳强
doaj