نتایج جستجو برای: molar absorbtivity
تعداد نتایج: 37127 فیلتر نتایج به سال:
BACKGROUND/AIM To assess the possibility of the eruption of the lower third molar on the basis of the measured parameters: retromolar space, mesiodistal crown width of a molar and the third molar angulation. METHODS The investigation included 104 patients both sexes (43 boys, and 61 girls), 16 to 25 years old (mean age, 18 years). It was performed using the orthopanthomographic radiographs an...
Introdouction: Impacted mandibular third molar surgery may affect periodontal status of the adjacent second molar. The purpose of this study was to evaluate the changes in periodontal health parameters distal to the adjacent second molar following surgical extraction of an impacted mandibular third molar. Materials and methods: We selected 50 subjects with a mean age of 22.8 (ranging from 18...
radicular cysts arising from deciduous teeth are rare. this report presents a case of radicular cyst associated with a primary molar following pulp therapy and discusses the relationship between pulp therapy and the rapid growth of the cyst. the treatment consisted of enucleation of the cyst sac and extraction of the involved primary teeth and 20 months follow up of the patient. early diagnosis...
single rooted primary mandibular first molar is a rare developmental anomaly. literatures reveal that failure of invagination of hertwig's epithelial root sheath leads to this unusual root form. thorough knowledge of root canal morphology and anatomical variations of primary teeth can help a pediatric dentist in successful root canal treatment. hereby, we describe two cases of primary mandibula...
objective: taurodontism is a dental anomaly characterized by elongation of root body and apical displacement of the pulp chamber floor associated with shortening of roots and their narrowing at the cementoenamel junction (cej). due to having a dilated apical one-third, these teeth may cause complications during extraction, locating canal orifices and instrumentation. this study aimed to assess ...
a case of unusual root morphology is presented to demonstrate anatomic variations in mandibular second molars. the most common configuration of mandibular second molar is to have two roots with three root canals; however mandibular molars may have many different combinations. endodontic therapy was performed in a mandibular second molar with 3 separate roots 2 located mesially and one distally....
Production of heavy metals by human activity is caused soil contaminations. The polyamines are used to reduction of heavy metal effects. In this study, the effects of lead and spermidine on Salvia officinalis L. were tested. A factorial experiment was conducted in a completely randomized design with three replications. Lead nitrate at concentrations of 0, 125, 250 and 1000 micro molar and sperm...
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