introdouction: the high prevalence of apical periodontitis (ap) of endodontic origin raises an important public health problem. root canal treatment (rct) and crown restoration (cr) have an effect on its prevalence. this cross-sectional study was performed to assess the effect of rct and cr on the prevalence of ap. materials and methods: two observers assessed 608 teeth with rct belonging to pa...

This paper examines the first year results from a silvicultural study of American, hybrid (BC2F3) and Chinese chestnut seedlings (Castanea spp. Mill.) on the Daniel Boone National Forest in southeastern Kentucky. After one year, no significant differences in growth were found among the silvicultural treatments. Hybrids and Chinese seedlings added significantly more height growth than the Americ...

objective: consultation-liaison (cl) psychiatry interfaces between psychiatry and other medical disciplines to promote integrated care of patients. the purpose of this study is evaluation of attitudes and practice of mazandaran university of medical sciences physicians of teaching hospitals regarding cl psychiatry. methods:in this descriptive study, all of the general practitioners, specialist ...

BACKGROUND Clinical experience teaches us that patients are willing to accept postoperative pain, despite high pain intensity scores. Nevertheless, relationships between pain scores and other methods of pain assessment, e.g. acceptability of pain or its interference with physical functioning, are not fully established. Our aims were to examine these relationships. METHODS A cross-sectional st...

introduction: this cross-sectional survey determined the dental prevalence of apical periodontitis (ap) in selected iranian population, and evaluated the influence of the quality of root canal treatment (rct) and their coronal restorations (cr) on the periapical status. materials and methods: a total of 1064 panoramic radiographies were evaluated by two observers during 2009. the quality of rct...

hazelnut is grown in limited areas of iran with high rainfall and high relative humidity. new cultivars and rootstocks that are tolerant of drought and low humidity are needed to expand hazelnut cultivation. to this end, seeds of 14 local corylus avellana l. genotypes (a1, a2, gerche, gerde eshkevarat, gerde shok, mahalli karaj, nakhon rood, navan1, navan7, navan9, navan10, pashmineh, shirvani ...

Studying all non-redundant proteins in 76 most-commonly found structural domains, we decipher latent patterns that characterize acceptable and unacceptable symmetries in residue-residue interactions in functional proteins. Cutting across the structural classes, a select set of pairwise interactions are found to be universally favored by geometrical and evolutionary constraints; these symmetric ...

Resource partitioning has been hypothesized to play a role in the maintenance of tree diversity in tropical forests. We looked for evidence of light and soil moisture partitioning among seedlings of four native Malagasy tree species, the pioneer, gap-adapted species Harungana madagascariensis and the three shade-tolerant species Ocotea cymosa, Stephanostegia capuronii and Uapaca ferruginea. Fou...