Custom Impression Trays
What is the prepared cast, spacer, and immediately surround are pained with a _____ _____ so that the completed tray can be separated readily from the cast?
What is a separating medium?
What are the 3 general classifications of dental waxes?
What are pattern waxes, processing waxes, and impression waxes?
Which type of resin tray material is highly volatile?
What is self-curing acrylic resin?
What is the most common ratio of water to dental plaster?
What is 45 ml to 100 grams?
What governement agency is responsible for classifying the types of wax used for different dental procedures?
What is the ADA (American Dental Association)?
What is placed on a cast to create room in the tray for the impression material?
What is a spacer?
What is a specific type of wax used in the construction of metal castings and also for the base in the fabrication of dentures?
What are pattern waxes?
Which type of resin tray material has very low shrinkage, which provides excellent adaptation of the cast?
What is light-cured resin material?
How long should it take to complete the mixing and vibration of the dental plaster?
What is no longer than 2 minutes?
What are self-curing and light-curing?
What are the three primary materials that can be used to construct custom trays?
What are self-curing acrylic resin, light-cured acrylic resin, and thermoplastic material?
What is a soft, pliable wax with a slightly tacky consistency that is used to extend borders of impression trays and covering brackets in orthodontic treatment?
What is utility wax?
Which type of resin material can be used to create vital bleaching trays and mouthguards?
What is thermoplastic resin?
A smooth and creamy mixture of plaster should be achieved in about __ seconds?
What is 20?
After a tray has been formed, it is necessary to remove the _____ and clean the tissue side of the tray.
What is spacer?
What is a pressing uncomfortably from the tray on the surrounding tissues?
What is impinging?
What is the only wax derivitive that is derived from an animal product?
What is beeswax?
For a self-curing acrylic resin material, polymerization begins when the _______ and _______ are mixed together.
What is monomer and polymer?
What is a face bow?
How are undercuts corrected on a model when a custom tray is prepared?
What is they are filled in with wax or other modeling material?
Regardless of the material used in the construction of the tray, what must be prepared first in accordance with specific guidelines?
What is a diagnostic model?
What type of wax is used to record the occlusal rims for the initial arch form, for setting denture teeth, and for denture wax-up?
What is baseplate wax?
What machine used heat and a vaccum to conform a sheet of thermoplastic resin to a diagnostic model?
What is a vaccum former?
A face bow registration is best completed with the dentist standing where?
What is directly in front of the patient?
Which type of wax is very brittle and is mainly made of beeswax and resin?
What is sticky wax?