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To achieve homogeneity of a given radiation treatment, the specimens were fully immersed in saline solution, which was renewed daily.

Radiotherapy was applied to the surface of the liquid with Co-60 photons at a distance of 80 cm.

A total of 88 extracted maxillar premolars was collected from the oral surgery clinic and used in this study.

Ethical approval for use of the extracted teeth was obtained from Ondokuz Mayis University Ethical Community (OMU. The teeth were stored in 0.9% sodium chloride solution until use.

The method is based on the supposition that the depth of dye penetration represents the gap between the root filling and the canal walls.

The aim of this study was to assess the sealing ability of three different temporary restorative materials on endodontic access cavities as compared to radiated and nonirradiated teeth.

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have revealed that many complications related to mouth and teeth health arise in response to radiotherapy applied to the head-neck region, and their severity is dependent upon localization and the stage of the illness.

In studies of the effects of radiotherapy on dental tissues, it appears that there is high demineralization in the enamel as both physical and chemical changes occurred following the treatment.

These effects are accompanied by a reduced stability of the amelodentinal junction after radiotherapy.

However, it appears that there are some negative effects on the bone, salivary glands and dental tissues.

Therefore, dental clinicians have to be aware of the effects of radiation therapy on dental tissues.




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