Reading: Isolation Flashcards
Name 3 goals that a rubber dam uses to accomplish operative dentistry
- Mositure Control
- Retraction
- Harm Prevention
Advantages of using a rubber dam - 5
- Dry and clean operating field
- Improved access and visibility
- Potentially improved properties of dental materials
- Protection of the patient and the operator
- Operator efficiency
Disadvantages of not using a rubber dam - 4
- Teeth that have not erupted sufficiently to support a retainer
- 3rd molars
- Malpositioned teeth
- Difficult breathing
A proper fitting retainer will contact the tooth in which way?
In its 4 line angles – to prevent rocking or tilting
The jaws of the retainer should NOT extend beyond the mesial and distal line angles of the tooth because
1.
2.
3.
- May interfere with wedge and matrix placement
- Gingival trauma is more likely to occur
- A complete seal around the anchor tooth iss more difficult to achieve
True or False?
A winged retainer will have a “W#”?
False
Name type of tooth that the following retainers should be matched up with –
- W56
- W7
- W8
- W4
- W2
- W27
- W56 – most molar anchor
- W7 – Mandibular molar anchor
- W8 – Maxillary molar anchor
- W4 – Most premolar anchor
- W2 – small premolar anchor
- W27 – Terminal mandibular molar requiring preparations with distal surface
The ______ of the retainer is tied with dental floss before teh retainer is placed in the mouth so that it is not lost in a patient’s mouth is it were to break
Bow
Rubber Dam Napkin Benefits (3)
- Improves patient’s comfort by reducing direct contact of the rubber material with the skin
- Absorbs any saliva seeping at the corners of the mouth
- Acts as a cushion
Name the type of retainer used for restoring a class V tooth preparation
212
What can be placed gingivally for better visibility and accurate margins?
Packing Cord
Drug that is used for reducing salivary flow
Atropine
(NO PREGNANT of GLAUCOMA PT’s)
