نتایج جستجو برای: root treatment
تعداد نتایج: 1515897 فیلتر نتایج به سال:
The aim of this study was to evaluate the effect of different levels of soil moisture at irrigation time on root growth, yield and water use efficiency of greenhouse cucumber (Cucumis sativus L.), Yalda cultivar. The experiment was conducted in a randomized complete block design with six treatments and three replications in Isfahan Greenhouse Research Center in 2016. These experimental treatmen...
فرسایش زمین یکی از مهمترین عوامل تهدید کننده منابع خاکی جهان است. این فرسایش چه توسط باد و چه توسط آب باشد نه تنها سبب فقیر شدن خاک از نظر مواد غذایی می شود، بلکه نقش مهمی در پر شدن مخازن سدها و تهدیدی جدی برای زندگی بشر است. به منظور بررسی تاثیر ریشه های دو گونه کویری بر کاهش فرسایش پذیری خاک، طرحی آزمایشی (گلخانه ای) بصورت کرتهای خرد شده در قالب بلوک کامل تصادفی در دانشگاه صنعتی اصفهان صورت گ...
Root canal retreatment is often the preferred method of treating a tooth in which root canal treatment has failed. Part one of this two-part article discusses reasons for failure of root canal treatment, case assessment and treatment planning. Part two describes some of the practical techniques that are available to the practitioner and the rationale for root canal retreatment. Dent Update 2004...
Background and purpose: Internal inflammatory root resorption (IIRR) is an uncommon lesion in permanent tooth that could lead to destruction of root and the surrounding dental hard tissues if it is left untreated. This article describes treatment of an extensive perforating internal root resorption in a maxillary second premolar using mineral trioxide aggregate (MTA). Case report: After chem...
the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...
The effect of potash biofertilizer and chemical fertilizer was studied on quantitative and qualitative traits of periwinkle in a factorial experiment based on a Randomized Complete Design with three replications, 48 experimental units, and two factors: (1) different methods of potash bio-fertilizer application at four levels of control (B0), seed inoculation (B1), root inoculation (B2) and seed...
Although scaling and root planing is a cost-effective approach for initial treatment of chronic periodontitis, it fails to eliminate subgingival pathogens and halt progressive attachment loss in some patients. Adjunctive use of systemic antibiotics immediately after completion of scaling and root planing can enhance the degree of clinical attachment gain and probing depth reduction provided by ...
Background and Aim : One of the concerns about orthodontic treatment is the external apical root resorption(EARR).Therefore, the aim of this study was to compare the rate of EARR in posterior permanent endodontically treated and vital teeth after orthodontic treatment. Materials and methods: This observational and retrospective study was performed on 112 roots in 28 patients in the age range o...
مقدمه و هدف: یکی از مهمترین فاکتورهای موفقیت در درمان ریشه، آماده سازی مناسب کانال ریشه و تا حد امکان حفظ ناحیه پری آپیکال، بدون تغییر می باشد. تعیین طول کارکرد صحیح، فاکتوری ضروری برای رسیدن به به این هدف می باشد. رایج ترین تکنیکهای تعیین طول کارکرد، رادیوگرافی معمولی و آپکس لوکیتورهای الکترونیکی می باشند. هدف این مطالعه و c-shape آزمایشگاهی، ارزیابی دقت آپکس لوکیتور در اندازه گیری طول کار...
The aims of the present study were to investigate the effect of Gokshura and nettle root extracts on growth rate and sex reversal in Convict cichlid fish. Seven-day hatchlings were immersed in water containing 0 (Control, T1), 200 mg/l nettle root extract (T2), 300 mg/l nettle root extract (T3), 10 mg/l Gokshura extract (T4) and 10 mg/l Gokshura plus 200 mg/l nettle root extracts (T5) for two m...
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