نتایج جستجو برای: dental cementum

تعداد نتایج: 161949  

Journal: :Journal of oral rehabilitation 2009
E L Scheller P H Krebsbach D H Kohn

More than 85% of the global population requires repair or replacement of a craniofacial structure. These defects range from simple tooth decay to radical oncologic craniofacial resection. Regeneration of oral and craniofacial tissues presents a formidable challenge that requires synthesis of basic science, clinical science and engineering technology. Identification of appropriate scaffolds, cel...

2014
Mamta Kaushik Roshni Sharma Pallavi Reddy Pallavi Pathak Pooja Udameshi Narmatha Vallakuruchi Jayabal

This in vitro study evaluated the presence of voids in powder-liquid and capsulated glass ionomer cement. 40 cavities were prepared on root surfaces of maxillary incisors and divided into four groups. Cavities were conditioned with glass ionomer cement liquid (GC Corporation, Tokyo, Japan) in Groups 1 and 3 and with dentin conditioner (GC Corporation, Tokyo, Japan) in Groups 2 and 4. Convention...

Journal: :Dental materials journal 2004
Yuko Tanaka Tsutomu Sugaya Masamitsu Kawanami

4-META/MMA-TBB resin has shown good biocompatibility and remarkable adhesion to dentin. It seems to be suitable for use in periodontal tissues for retrograde root sealing and treatment of vertically fractured roots. For an adhesive resin to be useful clinically, it must bond not only to the dentin but also to the cementum. The purpose of this study was to evaluate the long-term adhesion durabil...

Journal: :journal of dental materials and techniques 0
hamed mortazavi associate professor, department of oral and maxillofacial medicine, school of dentistry, shahid beheshti university of medical sciences, tehran, iran parvin parvaie 2resident, department of oral and maxillofacial medicine, school of dentistry, shahid beheshti university of medical sciences, tehran, iran

abstract  hypercementosis is identified by an excessive, non-neoplastic deposition of radicular cementum and is mostly presented as a solitary lesion or in rare cases as a multiple type. it usually occurs in the premolar and molar region of mandible with no sex predilection. in this paper, we reported a 57-year-old female patient with multiple radiopaque lesions affecting right maxillary second...

Hamed Mortazavi, Parvin Parvaie

Abstract  Hypercementosis is identified by an excessive, non-neoplastic deposition of radicular cementum and is mostly presented as a solitary lesion or in rare cases as a multiple type. It usually occurs in the premolar and molar region of mandible with no sex predilection. In this paper, we reported a 57-year-old female patient with multiple radiopaque lesions affecting right maxillary second...

Journal: :Micro 2022

In the present research, nanoindentation, atomic-force microscopy and optical were used to study mechanical microgeometrical parameters of tooth tissues. A nanoindentation test unit equipped with Berkovich indenter was determine values reduced Young’s modulus indentation hardness both atomic force using a diamond probe on silicon cantilever human root cementum. Three areas cementum studied: cer...

Journal: :International Endodontic Journal 2021

Aim To introduce a methodology designed to simultaneously visualize dental ultrastructures, including cellular and soft tissue components, by utilizing phosphotungstic acid (PTA) as contrast-enhancement agent. Methodology Sound third molars were collected from healthy human adults fixed in 4% buffered paraformaldehyde. evaluate the impact of PTA concentrations 0.3%, 0.7% 1% on hard tissues for ...

Journal: :Journal of the Mechanical Behavior of Biomedical Materials 2014

Journal: :Oral health & preventive dentistry 2004
John D B Featherstone

Dental caries progression or reversal depends upon the balance between demineralization and remineralization. The 'Caries Balance' is determined by the relative weight of the sums of pathological factors and protective factors. Minimally invasive dentistry aims at the least possible removal of enamel or dentin, including reducing pathological factors and enhancing remineralization to avoid any ...

Journal: :Homeopathy : the journal of the Faculty of Homeopathy 2007
R T Mathie S Farrer

BACKGROUND AND AIMS A base for targeted research development in dental homeopathy can be founded on systematic collection and analysis of relevant data obtained by dentists in clinical practice. With these longer-term aims in mind, we conducted a pilot data collection study, in which 14 homeopathic dentists collected clinical and outcome data over a 6-month period in their practice setting. M...

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