What You Should Do While There: Take a moment to escape the city life for a day and explore the Toronto islands. Easily hop a ferry and head to the collection of eight islands. They offer a welcoming green atmosphere beyond the cityscape that is Toronto. There are no cars on the island, so enjoy a nice stroll or bike.
Self-Retaining Retractors. Retractors are used to hold an incision or wound open while a surgeon works. The retractor could also be used to hold tissues or organs out of the way during a surgery. Self-retaining retractors allow hands free operation during a surgery. Retractors with opposable blades which use a screw, ratchet or clamp to hold the tissue apart by themselves are called self-retaining retractors.
n 2. the type of direct retainer used in the construction of removable partial dentures; it consists of a female portion within the coronal portion of the crown of an abutment and a fitted male portion attached to the denture proper. These retainers may be fabricated in the dental office or obtained through commercial sources. retainer, matrix, n (matrix holder), a mechanical device designed to engage the ends of a matrix around the tooth.