W3 - Occlusal Splints - Abbott

Question 1

When do you use a mandibular splint over a maxillary splint?

Answer 1

Deep 100% overbite

Question 2

What type of tray should be used when making occlusal splints

Answer 2

Metal “rim-lok” tray for the arch that is receiving splint

alginate in stock tray for opposing arch

Some labs dont take the impression if not in metal (ex Sams lab)

Question 3

Why is a “snap-removal” required when taking impressions for occlusal splints?

Answer 3

Alginate has a visco-elastic behaviour → will distort if you remove slowly

• Will result in a very tight feeling occlusal splint

Question 4

When is occlusal record needed for splint?

Answer 4

Missing several posterior teeth

• Take occ record with PVS bite reg material → Place cotton rolls anteriorly on canines so there is 3-4 mm gap (you want to record the registration without tooth contact)
• Why? occlusal splint is 3-4mm thick → youre accomodating for it

If patient is fully dentate → NO NEED FOR OCCLUSAL RECORD

Question 5

Indications for occlusal splint (3)

Answer 5

• Abnormal tooth wear
• Facial soreness from brux and grind
• Protection of implant or crown/bridgework

Question 6

What must pts do if they find it difficult wearing splint

Answer 6

Will require perseverence, they should be able to hold it in all night by the end of the week

Question 7

What muscle attachment can you damage when extracting 38 and 48?

Answer 7

Temporalis

Question 8

What are CLEARSPLINTS?

Answer 8

Slightly flexible occlusal splint used at JCU

• flat occlusal plane.
  When you receive it, place into warm water for 30 seconds and then in insert in mouth

Question 9

What is Costen syndrome?

Answer 9

AKA TMJ Dysfunction disorder

Pt is unable to hear but nothing wrong with ears

• This is due to TMJ joint being close to ear → hypertonia of TMJ muscles