Publication at Faculty of Medicine in Hradec Králové |
2010
Abstract
There is a lot of risks of methods used for impressions, which could be bent out or minimalized. They are divided in risks evocated by impression materials and risks related to impression procedures.
Hypersensitivity and toxic reactions belong to risks evocated by impression materials. More extensive are risks related to impression technique.
They include damage of periodontial tissue, dismantling of the crown or bridge, holding retraction cord in the gingival sulcus, impression material as a foreign body in the maxillary sinus, vomitus, the activation of HSV infection and aspiration of the impression material.