2012 Flashcards
What is the purpose of a post ?
To retain the core
What is a ferrule ?
a 1-2mm dentine collar required to place a post
What are the types of posts?
manufactured - pre-formed
material - cast metal, steel, zirconia, carbon, glass fibre
shape - parallel sided or tapered
How much gutta percha should be left in the canal space when placing a post?
at least 3-5mm
What is the purpose of placing a post?
Resistance/Retention for a compromised crown
Name 2 types of bone loss in radiographs
Horizontal and vertical
What metal is used to absorb heat generated by X-Ray production?
Pb
What nerve is the mental nerve a branch of?
mandibular branch of the inferior alveolar nerve
What are potential storage mediums for an avulsed tooth ?
Milk
Saline
Patient’s saliva
What advise would you give to someone phoning with an avulsed tooth ?
- do not allow to dry out
- hold only by the crown of the tooth
- If root is dirty rinse with cold water
- reimplant tooth as soon as possible
- visit the dentist immediately
what splint is used for subluxation and how long should it be in place for?
Flexible splint for 2 weeks
what fluoride regime is used for a high risk 4 year old ?
1500 ppmF 2x daily
what age is suitable to deliver mouthwash to paediatric patients
7+
what is the management for fluoride toxicity <5mg/kg
give calcium orally (milk) and observe for a few hours
what is the management for fluoride toxicity 5-15mg/kg
give calcium orally (milk or calcium gluconate) and admit to hospital