Term
| What is Orthognatic Surgery? |
|
Definition
| Single or Double Jaw surgery that is performed to reposition the jaws. |
|
|
Term
| During Orthognatic surgery, what is achieved? |
|
Definition
| Correct Jaw alignment and occlusion are achieved. |
|
|
Term
| Malocclusion is classified into what two major groups? |
|
Definition
| Malocclusion is classified into either SKELETAL or DENTAL. |
|
|
Term
| What causes skeletal malocclusion? |
|
Definition
| Skeletal malocclusion is caused by differences in shape, size, and/or position of one or both jaws. |
|
|
Term
| What causes dental malocclusion? |
|
Definition
| If the jaw is aligned correctly, and there is still malocclusion it is dental malocclusion. Dental malocclusion is the result of incorrect leaning or crowding of the teeth. |
|
|
Term
| During an orthognatic surgical procedure, how many parts is the lower jaw split into? |
|
Definition
| The lower jaw is split into 3 parts during orthognatic surgery |
|
|
Term
| What are the 3 parts the lower jaw is split into during orthognatic surgery? |
|
Definition
The 3 parts are: 2 Joint-Bearing Side Parts
1 Central Part that contains teeth |
|
|
Term
| After the lower jaw is split into parts, what is done with the central part? |
|
Definition
| The central part is moved to the needed and correct jaw position: advanced or set back, or rotated if needed. Then it is fixed to the side parts of jaw. |
|
|
Term
| What is used to fix the central part of the lower jaw to the side parts of lower jaw? |
|
Definition
| Titanium plates and screws are used to fix the central part of lower jaw to the side parts of lower jaw. |
|
|
Term
During orthognatic surgery, what jaw is worked on first?
Lower or Upper |
|
Definition
| The lower jaw is worked on first, and after this has been positioned and secured, the upper jaw is accessed. |
|
|
Term
| During an orthognatic procedure, additional bone is harvested from what areas of the body? |
|
Definition
| Chin Area, cheek bone, or even iliac crest if the amount of bone is not sufficient to pack in the packs between the bone segments or jaw cut locations. |
|
|
Term
| True or False: You should dispose of any excess bone chips collected during Orthognatic surgery |
|
Definition
| False. All bone must be harvested and used for packing jaw cut locations. |
|
|
Term
| What other surgery may be performed during orthognatic surgery? |
|
Definition
| Chin advancement or reduction surgery may be performed additionally during orthognatic surgery. |
|
|
Term
| What is chin advancement or reduction surgery? |
|
Definition
| It is a procedure where the chin is cut, moved to the desired located, and fixed with plates and screws. |
|
|
Term
| What does Orthos mean in greek? |
|
Definition
| "Orthos" means straight in greek |
|
|
Term
| What does "gnathos" mean in greek? |
|
Definition
| "gnathos" means jaw in greek. |
|
|
