نتایج جستجو برای: tooth calcification

تعداد نتایج: 111445  

Objective(s): Vascular calcification is one the major characteristics in patients with various types of chronic inflammatory disorders. MiRNAs have been shown to be involved in many normal biological functions as well as diseases; however, their role in vascular calcification has not received much attention. Materials and Methods: In the current study, we built a vascular calcification rat mode...

Journal: :Brazilian Research in Pediatric Dentistry and Integrated Clinic 2021

Objective:  To test the modified Demirjian's method of dental age estimation on South Indian population and correlate it with patient's chronological .  Material Methods:  This retrospective radiographic study was performed digital panoramic radiographs taken during a one-year duration. Radiographs patients in range from 8 to 18 years were included study. The examined according stage crown root...

Journal: :The Yale Journal of Biology and Medicine 1964
Alvin M. Burt

Containing Apatites." The general arrangement of the articles is similar to the format of a journal of dental research, but lacks editorial comment or discussion. Each paper is printed in the author's native language (English, German, or French) prefaced by very brief, inadequate abstracts in all three languages. Less than one-fifth of the studies pertains to fluorine and its cumulative effect ...

Journal: :AJNR. American journal of neuroradiology 2008
S Zelasko M Hollingshead M Castillo T W Bouldin

We present a patient with progressive dural calcifications, thickening, and enhancement presumably related to the development of nephrogenic systemic fibrosis (NSF). Head CT demonstrated progressive dural calcifications, whereas MR imaging demonstrated progressive dural thickening and enhancement during a 3-year period in which the patient received several gadolinium-enhanced MR imaging studies...

2013
Manuella Santos Carneiro Almeida Andrea dos Anjos Pontual Rejane Targino Beltrão Ricardo Villar Beltrão Maria Luiza dos Anjos Pontual

PURPOSE This study investigated the possible correlation between the mineralization of the second molars and the chronological age of a sample population of the state of Paraiba, Brazil. MATERIALS AND METHODS One thousand eight hundred fifty-four digitized panoramic images using a scanner of a private dental radiology service were obtained in six months. Of these, 457 were selected from patie...

Journal: :American journal of physical anthropology 1996
R L Tompkins

Using dental X-rays, the calcification of various teeth was compared between samples of black southern Africans, white French-Canadians, and prehistoric Native Americans sharing the same stage of calcification of a specified "reference tooth." The French-Canadians have markedly delayed relative development of the M3 compared to the Africans. They also appear delayed in their M2 development comp...

Journal: :Acta clinica Croatica 2015
Tamara Srkoc Senka Mestrović Sandra Anić-Milosević Mladen Slaj

This study investigated the relationships between the stages of calcification of teeth and cervical vertebral maturation. The sample consisted of 295 subjects (129 male and 166 female), mean age 13.36 ± 2.65 (range 7-18) years. Dental age was evaluated from panoramic radiographs according to the method of Demirjian. Cervical vertebral maturation was determined on lateral cephalometric radiograp...

Journal: :Archives of histology and cytology 1990
K Ishizeki N Fujiwara M Sugawara T Nawa

We found that when the midsection of Meckel's cartilage bars obtained from mice on the eighteenth day of gestation were grafted into isogenic mouse spleen, chondrocytes induced an endochondral calcification. Concurrent with the onset of calcification throughout Meckel's cartilage matrix, periodic banded thick collagen fibrils and matrix vesicles were observed around the chondrocytes. Although m...

Journal: :journal of dentistry, shiraz university of medical sciences 0
leila khojastepour dept. of oral and maxillofacial radiology, school of dentistry, shiraz university of medial science, shiraz, iran. abdolaziz haghnegahdar dept. of oral and maxillofacial radiology, school of dentistry, shiraz university of medial science, shiraz, iran. hamed sayar post graduate student, dept. of oral and maxillofacial radiology, school of dentistry, shiraz university of medial science, shiraz, iran.

statement of the problem: most of the soft tissue calcifications within the head and neck region might not be accompanied by clinical symptoms but may indicate some pathological conditions. purpose: the aim of this research was to determine the prevalence of soft tissue calcifications in cone beam computed tomography (cbct) images of mandibular region. materials and method: in this cross sectio...

Journal: :Archives of oral biology 1998
D R Merwin E F Harris

The extent of tooth mineralization is a useful estimate of a child's physiological age it reflects the rate at which the child is developing towards maturity. As it is not known to what degree dental age is regulated by the genotype, this investigation estimated familial resemblance in the tempo of tooth mineralization. Panoramic radiographs of the children in 185 sibships were scored for stage...

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