Surgical principles Flashcards
When doing an envelope flap what are the basic principles of where you go from the tooth/area you want to work on?
- 2 teeth anterior
- 1 tooth posterior
What are the components of a full thickness flap?
- Mucosa
- Submucosa
- Periosteum
What is the primary tissue for bone healing?
-Periosteum
What is the purpose of a full thickness flap?
-To access bone
How far away should incisions be made from a defect?
6-8 mm
When placing a single releasing incision do you usually place it anterior or posterior?
-Anterior
Where should a releasing incision be made?
-Line angle of the tooth
What principles are used for the working area when doing a releasing incision?
- 1 tooth anterior
- 1 tooth posterior
What are the five types of mucoperiosteal flaps?
- Envelope flap
- Vertical release
- Edentulous envelop flap
- Semi-lunar incision
- Palatal Y incision
Where do you make the incision on an edentulous envelop flap?
-Thru scar at crest of ridge
When do you use a semi-lunar flap?
-Apical surgery
Where are the incisions made for a palatal Y flap?
-Anterior to cuspid at junction of GPA and NPA
What directions are incisions made and where at?
-Posterior to anterior in the sulcus
When you begin your reflection where do you begin?
-Anterior papilla and then move posterior
If you have a 3 corner flap where do you start your reflection?
-Anterior papilla pushing apically
What are three reasons for the suture?
- Cover wound margins
- Control bleeding
- Cover bone to avoid necrosis
What are the two requirement for removal or root tips?
- Excellent light
- Excellent suction
When are you justified to leave in a root tip?
- small less than 5 mm
- Tip deeply imbedded in bone
- Tooth is not infected
- Risk is greater than benefit
What is the extraction sequence for FMX?
- MX post
- Mx ant
- Mx cu
- Md post
- MD ant
- Md Cu
