منابع مشابه
Premature loss of deciduous teeth.
Premature exfoliation of deciduous teeth is very rare in children. It is well known that it may occur in severe pink disease (acrodynia) and in local disease of bone, such as osteitis and eosinophilic granuloma (Thoma, 1937; Stones, 1954). The teeth in the above conditions are extruded with the roots intact due to a loss of their supporting bony tissue. In hereditary ectodermal dysplasia teeth ...
متن کاملOrthodontic movement in deciduous teeth
Deciduous teeth exfoliate as a result of apoptosis induced by cementoblasts, a process that reveals the mineralized portion of the root while attracting clasts. Root resorption in deciduous teeth is slow due to lack of mediators necessary to speed it up; however, it accelerates and spreads in one single direction whenever a permanent tooth pericoronal follicle, rich in epithelial growth factor ...
متن کاملCementoenamel junction of deciduous teeth: SEM-morphology.
AIM The aim of this study was to investigate the cementoenamel junction of a group of 11 primary sound mandibular incisors extracted for orthodontic reasons. MATERIALS AND METHODS Eleven caries and defect-free human inferior deciduous incisors were extracted for orthodontic reasons and the cementoenamel junction was investigated by scanning electron microscopy (SEM). The types of tissue inter...
متن کاملAnnotation Dimensional Communalities of the Deciduous Teeth
Although there have been numerous studies of the extent to which the crown dimensions of the permanent teeth are correlated (MOORREES and REED, Arch Oral Biol 9:685, 1964; GARN, LEWIS and KEREWSKY, J Dent Res 44:350, 1965) comparable information on deciduous tooth dimensional communalities is meagre. Moreover, it is not known whether the crown dimensions of the deciduous teeth show different pa...
متن کاملSearch for Strontium-90 in Deciduous Teeth*
Contamination maps do not exist ; at best, strontium measurements are carried out sporadically by individual research groups. Furthermore, strontium is not at all looked for in the foodstuffsdatabase, which is used to calculate the radiation exposure of the population through taking in contaminated food. But it is known that relevant amounts of radioactive strontium were found in the teeth and ...
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ژورنال
عنوان ژورنال: Japanese Journal of Oral Biology
سال: 1999
ISSN: 0385-0137
DOI: 10.2330/joralbiosci1965.41.163