نتایج جستجو برای: primary dentin

تعداد نتایج: 650472  

Journal: :Brazilian oral research 2015
Gabriela Fleury Seixas Cássia Cilene Dezan Garbelini Kelly Limi Aida Ana Paula Cheirubim Emerson José Venâncio Solange de Paula Ramos

Anti-dentin autoantibodies are associated with inflammatory root resorption in permanent teeth and are modulated by dental trauma and orthodontic force. However, it is not known whether deciduous tooth trauma can stimulate the development of a humoral immune response against dentin. The aim of this study was to evaluate the levels of salivary SIgA reactivity against human dentin extract in youn...

ژورنال: مجله دندانپزشکی 2006
  اسمعیلی, معصومه , قوام نصیری, مرجانه , مکارم, عباس ,

Background and Aim: Nanoleakage can cause discoloration around restoration margins, secondary caries, postoperative sensitivity and finally loss of restoration, thus adequate hybrid layer is of primary importance in prevention of nanoleakage in adhesive restorations. Because of structural differences between primary and permanent dentin, evaluation of nanoleakge in primary teeth is very importa...

Journal: :Pediatric dentistry 2004
Preenan Suwatviroj Louise B Messer Joseph E A Palamara

PURPOSE This study measured the microtensile bond strengths of 2 tooth-colored restorative materials with and without conditioning of primary teeth dentin, and examined the micromorphology of the debonded surfaces and material-dentin interfaces. METHODS Cylindrical specimens of packable composite resin (PCR) and resin-modified glass ionomer cement (RMGIC) bonded to dentin of primary teeth wer...

Journal: :Caries research 2008
G G dela Cruz R G Rozier J W Bawden

A biomarker for lifetime fluoride exposure would facilitate population-based research and policy making but currently does not exist. This study examined the suitability of primary tooth dentin as a biomarker by comparing dentin fluoride concentration and fluoride exposures. Ninety-nine children's exfoliated primary teeth were collected from 2 fluoridated and 2 fluoride-deficient communities in...

Journal: :Brazilian oral research 2012
Tathiane Larissa Lenzi Fabio Zovico Maxnuck Soares Rachel de Oliveira Rocha

The aim of this in vitro study was to compare the degradation of resin-dentin bonds of an etch-and-rinse adhesive system to primary and permanent teeth. Flat superficial coronal dentin surfaces from 5 primary second molars and 5 permanent third molars were etched with phosphoric acid and bonded with an adhesive system (Adper Single Bond 2, 3M ESPE). Blocks of resin composite (Z250, 3M ESPE) wer...

2016
Shahram Mosharrafian Hossein Afshar Maryam Farbod Zahra Baniameri

OBJECTIVES This in-vitro study aimed to compare the push-out bond strength of composite to prepared and unprepared intracanal dentin using a 5th generation bonding agent in primary anterior teeth after etching for seven and 15 seconds. MATERIALS AND METHODS Sixty primary anterior teeth were randomly divided into four groups. In groups one and two, intracanal dentin remained intact while in gr...

2006
Fernanda Miori Pascon Kamila Rosamilia Kantovitz Regina Maria Puppin-Rontani Regina M. Puppin-Rontani

Correspondence to: Regina M. Puppin-Rontani Department of Pediatric Dentistry Piracicaba Dental School University of Campinas Av. Limeira 901, 13414-018 Piracicaba – SP – Brasil. Phone: 55 19 3412 5286 Fax: 55 19 3412 5218 E-mail: [email protected] Abstract This paper review is key issue to known that the adequate endodontic techniques accomplished on primary and permanent teeth regarding...

Journal: :Biomedical Journal of Scientific and Technical Research 2023

This manuscript previews the introduction of significant advances in materials which are used conservative management pulp primary and permanent teeth. These posses property inducing tertiary dentin formation protection dentin-pulp complex. Calcium Hydroxide, Mineral Trioxide Aggregate (MTA), Biodentine widely discussed along with some recently introduced materials. The aim this article is to o...

Journal: :Pediatric dentistry 1995
N Mazzeo N W Ott S O Hondrum

In vitro bond strengths of three resin adhesive systems were tested using 111 primary teeth. Ninety-six flat dentin surface specimens were divided into six groups consisting of 16 primed or 16 unprimed samples for each adhesive system. The remaining 15 tooth samples were divided into three groups of five to determine each adhesive system's bond strength to primary etched enamel. Resin buttons w...

Journal: :Pediatric dentistry 1999
D A Sumikawa G W Marshall L Gee S J Marshall

PURPOSE This study was performed to determine variations in dentin microstructure from primary anterior teeth at specific areas and depths in relation to the dentin enamel junction, (DEJ). METHODS Ten freshly extracted, non-carious primary maxillary anterior teeth were sectioned to provide two 1.0 mm x 1.0 mm matchsticks extending from the DEJ to the pulp chamber--one each from the central an...

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