Questions from past papers Flashcards
What indicates the posterior broder of the maxillary denture?
The post dam which should sit 1-2mm anterior of the vibrating line between junction of the hard and soft palate
The maxillary denture should be at the level of the humular notch to produce a good posterior seal which is located between the distal surface of the tuberosity and the humular process of the medial pterygoid plate of maxilla
What are the 7 factors of deprivation?
Employment status Income Health and health care services Geographic access to services Crime Housing, living and workng conditons Education, skills and training
4 key aspects of waste transfer note?
Description of waste
Origin source of where the waste has come from
Quantity
Transport and destination
How long should waste consignment transfer note be kept for?
Min of 3 years
What is the aim of suturing?
To reposition tissues To compress blood vessels To cover the bone To prevent wound breakdown To achieve heamostasis To encourage healing by primary intentions
What is the differnce between parallel and tapered posts?
Parallel - avoid wedging, greater retention, less likely to cause root fracture as load is not dispersed horinzontally
Tapered posts - Have high strength and stiffness, conservative, less retentive than parallel or threaded posts, should be used in small circular canals and avoid flared canals
What forces can displace a baseplate?
Gravity Mastication Tongue Talking/vibrations Active components
What is the function of a baseplate?
Used to provide anchorage, connnector for retentive components, cohesion and adhesion and stability
What happens when an IDB is insterted into the parotid gland?
Facial palsy - as the LA has been injected into the poarotid gland or has been aimed too far posteriorly
Patient has suspected bleeding disroder, what 3 blood tests would you ask for?
FBC
Cogulation screen
Thromobophillia and haemophilla factor screen
Name an inherited cogulation disorder?
Von willebrand disease
Hamophilllia A
Hamophillia B
What LA technique cannot be used on bleeding disorder patients?
Lingual infiltraions
IDB
What are problems with posts that are inserted into canals that are too wide or too narrow?
Narrow canals - Risk of perforation due to thin/tapering and narrow roots
Wide canals - requires further prep which weakens the tooth
What are the 4 components of the sinner circle?
Chemicals
Temp
Time
Energy
What teeth are affected with MIH
1-4 permanent molars frequently associated with affected incisors