نتایج جستجو برای: primary teeth enamel

تعداد نتایج: 681275  

2010

Background: Traumatic injury to primary teeth is a very common phenomenon as kids are often involved in facial trauma, and because the central incisors hold a prominent position in the facial profile. The standard of treatment is to extract the teeth if severely mobile or to leave them if stable. Of interest is the effect of the injury to the developing permanent dentition. These effects can ra...

2016
Yvonne Wagner

BACKGROUND The aim was to assess the prevalence, distribution and associated risk factors of developmental defects of enamel (DDE) in 3-year-old Thuringian children in 2013 as part of a prospective cohort study. METHODS The subjects (n = 377) were all participants in a Thuringian oral health programme. Children of the birth cohort 2009/2010 were invited to dental examination in the first year...

2005
R. ATASH A. VANDEN ABBEELE

Aim To compare the shear bond strength and microleakage of four adhesive systems to the enamel and dentine of primary bovine teeth. Methods 120 bovine primary mandibular incisors were collected and stored in an aqueous 1% chloramine solution at room temperature for no longer than 3 months after extraction (80 for shear bond testing and 40 for microleakage evaluation). The adhesives tested were ...

Journal: :journal of dental research, dental clinics, dental prospects 0
maryam talebi mashhad university of medical sciences iman parisay shahid sadooghi university of medical sciences fatemeh khorakian mashhad university of medical sciences mohammad bagherian

this report presents a rare case of bi-rooted primary maxillary canines. a 6-year-old girl presented at the department of pediatric dentistry, faculty of dentistry, mashhad university of medical sciences, iran, with the chief complaint of pain in the lower right quadrant of her dentition. radiographic examination revealed bifurcation of primary maxillary canine roots. this report discusses the ...

2012
Hamid Reza Poureslami Fatemeh Sajadi Maryam Sharifi Shahram Farzin Ebrahimi

BACKGROUND AND AIMS Despite the increasing demand for adhesive restorations in pediatric dentistry, polymerization shrinkage and subsequent marginal microleakage remains a problem. The aim of this study was to evaluate of the sealing ability of novel low-shrinkage composite silorane in class V cavity of primary canines in comparison with three types of composite resin. MATERIALS AND METHODS N...

Journal: :journal of dental research, dental clinics, dental prospects 0
prashant babaji reader firoza sanadi mahesh melkundi

talon cusp is an accessory cusp similar to a projection, extending from the cingulum or cemento-enamel junction to the incisal edge. it occurs on labial or palatal surfaces of primary or permanent anterior teeth in both arches. this accessory cusp can occur as an isolated entity or in association with other dental anomalies. occurrence of a talon cusp on supernumerary teeth is rare and uncommon...

Elham Nik, Fatemeh Mazhari Homa Noorollahian, Mahboobeh Shabzendedar, Nooshin Mohtasham

Aim: To investigate the effect of Emdogain gel (EMD) in pulpotomized primary molars and its clinical and radiographic outcomes. Methods and Materials: In this   study, 18 lower second primary molars of nine children were treated by   pulpotomy. The teeth were randomly assigned to the EMD (experimental) and Formocresol (control) groups in each patient (split mouth). Following removal of the coro...

Journal: :Swedish dental journal. Supplement 2012
Nina Sabel

Enamel is one of the most important structures of the tooth, both from a functional and esthetic point of view. Primary enamel carries registered information regarding metabolic and physiological events that occurred during the period around birth and the first year of life. Detailed knowledge of normal development and the structure of enamel is important for the assessment of mineralization de...

Journal: :The journal of contemporary dental practice 2013
Garima Jindal Dipanshu Kumar

Dentofacial injuries that occur prior to the eruption of primary teeth can result in developmental disturbances not only in the primary but also in permanent dentition. Here we report a rare case of long term sequelae of trauma in a female child of 4 to 5 months of age which resulted in dilaceration and impaction of maxillary primary central incisors and subsequent enamel hypoplasia of the perm...

Journal: :Archives of oral biology 2004
Rodrigo Borges Fonseca Francisco Haiter-Neto Alfredo J Fernandes-Neto Gustavo A Seabra Barbosa Carlos José Soares

Several studies have aimed to evaluate the characteristics of hard dental tissues from animal species in order to adequately substitute the usage of human teeth. The purpose of this study was to evaluate the radiodensity of enamel and dentin of human, bovine and swine teeth. Five specimens of 2 mm in thickness were obtained from human, bovine and swine teeth and the radiographic images were tak...

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