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    The effect of levamisole on sheep trachea alone and with trichlorfon combination
    (2008) Baydan E.; Yildirim E.; Ince S.
    The aim of this study is to determine the effect of levamisole and levamisole-trichlorfon combination on isolated sheep trachea. Contraction was achieved with levamisole concentrations (10-8-10-3 M) on tracheal strips of adult sheep (>1 year of age). Pretreatment with trichlorfon (10-7 M)-levamisole (10-7 M) decreased the pD2 and Emax of Ach when compared to levamisole pretreatment (p?0.01). Pretreatment with levamisole (10-7 M), decreased the Emax (p?0.01) and pD2 (p<0.05) of bethanechol concentrations (10-8-10-3 M) significantly. Pretreatment with atropine (10-6 M) decreased the Emax of levamisole (10-4 M) significantly (p<0.05). To conclude, levamisole acted mainly on the muscarinic receptors of the sheep trachea and this effect was partly inhibited by atropine. Adverse interaction was present between levamisole and trichlorfon. © 2008 Asian Network for Scientific Information.
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    Öğe
    Evaluation of the relationship between periodontal risk and carotid artery calcifications on panoramic radiographs
    (Dental Investigations Society, 2015) Kamak G.; Yildirim E.; Rencber E.
    Objective: To evaluate if there is a relationship between findings of carotid artery calcification (CAC) and periodontal risk in nonsmoker subjects by using panoramic radiographs (DPR). Materials and Methods: A total of 1146 DPRs were investigated. Gender, age, severity of bone loss, tooth loss, periodontal risk, and findings of carotid calcification were recorded. The periodontal risk was evaluated and classified according to the degree of alveolar bone loss. Results: CAC was diagnosed in %13.6 (n: 156) of DPRs. Of 1146 patients, 338 (29.5%) had low, 668 (60%) had moderate, and 120 (10.5%) had high periodontal risk. A statistically significant relation was observed between carotid calcification and periodontal risk. Conclusion: Positive findings of carotid calcification may be related with periodontal problems. Clinicians must be careful about diagnosing CACs on DPRs during routine examinations. In the case of positive findings of CAC and periodontitis together, the patient may be consulted to a specialist for further investigation. © 2015 European Journal of Dentistry.