• List of Articles Amir Zakian

      • Open Access Article

        1 - A Review of Physiological Structures and Dental Disorders of Canids Using Radiography and Computed Tomography
        Ferdos Fekri Amir Zakian Mohsen  Abbasi Omid Zehtabvar Alireza Vajhi
        Canids are heterodont and diphyodont animals, which most of adult canids have 42 permanent teeth. Nowadays, attention to the oral and dental disorders in pets has gained a special region in veterinary medicine and on the top of these problems can be referred to dental i Full Text
        Canids are heterodont and diphyodont animals, which most of adult canids have 42 permanent teeth. Nowadays, attention to the oral and dental disorders in pets has gained a special region in veterinary medicine and on the top of these problems can be referred to dental infections and other periodontal diseases. Anatomy and positioning of teeth and periodontal diseases also could be observed by diagnostic imaging techniques included radiography and CT-scan. Radiography is an effective method for dental examination with low-cost and fast execution times and can be performed during surgery. Although, computed tomography is high contrasted method in oral cavity examination that facilitates the diagnosis of multiple disease. Precise and detailed imaging of the region of interest even before changes become clinically apparent, the reduced examination time than oral radiography, 3D imaging in different views, but expensiveness and risks associated with anesthesia may be the restrictive factors. Manuscript Document
      • Open Access Article

        2 - Methods of Determining Age of Ruminants and Camelids by Using Dentition Patterns
        Sare Rezaei Amir Zakian Nima Moradpour
        Determining age is very important in domestic livestock because in addition to health, nutrition and grazing, from point of veterinary science some of the special disease it is age dependent and appear at certain ages. Therefore, knowing the age of domestic livestock fo Full Text
        Determining age is very important in domestic livestock because in addition to health, nutrition and grazing, from point of veterinary science some of the special disease it is age dependent and appear at certain ages. Therefore, knowing the age of domestic livestock for the farmers both in terms of anticipating and preventing diseases and in terms of treatment is important and have a significant effect on exploitation, usage of animals in different services and the cost of farm. One of the methods of determining and judgment of the age in domestic animals is the use of the number, shape and date of tooth eruption. Therefore, the purpose of this paper is to provide practical and useful information for determining the age in ruminants and camelids, as reviewed by peer-reviewed articles and resources in recent years. We hope that this article will be useful to all students of veterinary medicine, active clinicians in large animals field, animal dentistry enthusiasts and other related businesses. Manuscript Document