Question

Describe the different structures of the oral cavity that the dental laboratory technician requires from a final impression for a removable prosthodontic appliance, and compare these with requirements for a fixed-prosthesis case.

Answer 1

Different structures of the oral cavity:

Upper Jaw, Lower Jaw, Gums, Tooth

Difference between  removable prosthodontic appliance and fixed prosthesis.

Removable prosthodontic appliance	Fixed prosthesis.
This can be removed easitly from mouth any time when required	This can be removed only by a dentist
This increases the jaw bone deterioration	This keeps jaw bone intact
This makes people depressed and unenthusiastic in life. People complain of soreness and discomfort	It makes people feel that a natural teeth is present
Speach will be hampered in beween as the denture might slip out.	People with fixed dentures can speak freely and eat anything freely without the fear to teeth slipping out.
Cost is reasonable	Cost is higher
Not long lasting	Long lasting