Ch 47 Materials Flashcards
Homogeneous
Uniform in quality and consistent throughout
Lathe
Machine used for cutting/polishing custom trays, provisionals, dentures, indirect restorations
Gypsum
Material used to form plaster of Paris and stone
Dihydrate
2 parts of water to every one part of calcium sulfate
Face bow
Portion of articulator used to measure upper teeth and compare with temporomandibular joint
Crystallization
Chem process crystals form into a structure
Hemihydrate
Removal of one half part water to one part calcium sulfate to form powder product of gypsum
Anatomic portion
Structural portion of dental model
Articulator
Lab device that stimulates movement of mandible and temporomandibular joint when models of dental arches attached
Slurry
Mixture of gypsum and water used in finishing models
Where is lab found in office
Separate space away from patient care
Which specialty practices might have more extensive lab
Fixed prosthodontics and orthodontics
A contaminated item found in lab
Impression
What piece of lab equipment used to grind away plaster/stone
Model trimmer
Which piece of lab equipment determines centric relation from diagnostic model
Articulator
