posterior extrusion

50 %
50 %
Information about posterior extrusion

Published on March 21, 2014

Author: indiandentalacademy


PowerPoint Presentation: Leader in continuing dental education INDIAN DENTAL ACADEMY Posterior Extrusion Posterior Extrusion: Posterior Extrusion Type I & type II Posterior Extrusion Type I is used commonly in lower arch with rotation of buccal segments using 3piece extrusion arch or continuous extrusion arch. Type II extrusive mechanics is commonly used in the upper arch when parallel extrusion of posterior segments, using both an extrusion arch & a cervical headgear with a high outer bow. Class II elastics cause extrusion of lower molars and upper incisors. Class II bow causes extrusion of lower posteriors only. PowerPoint Presentation: PowerPoint Presentation: Distalization & Bite opening Using Class II Bow & Rikanator Class II bow is a 0.045 steel archwire with hooks for elastic traction. This is inserted in 0.045 gingival headgear tube with stops welded mesial to the tubes. PowerPoint Presentation: Rikanator is a type of fixed bite plane. It is welded lingual to molars with a acrylic ram in the anteriors to open the bite. It is used only when anteriors are having correct inclination and angulation. PowerPoint Presentation: PowerPoint Presentation: PowerPoint Presentation: PowerPoint Presentation: (maxillary .045" auxiliary arch). A. With higher hook placement, force is applied to maxillary molar. B. With full maxillary edgewise archwire. C. Without maxillary archwire. D. In deciduous dentition. 1997 JCO, Inc.), Volume 1995 Jun(367 - 372): Mechanical Analysis of Class II Elastics JULIEN PHILIPPE, DCD, D, Figure 4. PowerPoint Presentation: Thank you Leader in continuing dental education

Add a comment

Related presentations

Related pages

Posterolateral Disc Extrusion - Laser Spine Institute

A posterolateral disc extrusion refers to a herniated disc that has leaked nucleus material toward the back (posterior) and side (laterally) in the spinal ...
Read more

Posterior lamellar gold-weight extrusion.

1. Ophthal Plast Reconstr Surg. 2003 Sep;19(5):407-8. Posterior lamellar gold-weight extrusion. Seider N(1), Beiran I, Gdal-On M, Miller B. Author ...
Read more

Extrusion of the Medial Meniscus - Arthroscopy

Extrusion of the Medial Meniscus Michael J. Pagnani, M.D., Daniel E. Cooper, M.D., and ... of the posterior horn of the medial meniscus, allow-
Read more

Disc Extrusion, Protrusion, and Sequestration - Verywell

Disc Extrusion, Protrusion, and Sequestration. Search the site GO. Orthopedics. Back and Neck Pain Cause Therapy and Rehab Foot and Ankle Pain Cause
Read more

Anterior Extrusion and Posterior Intrusion.

Anterior Open Bite Correction with Invisalign Anterior Extrusion and Posterior Intrusion. Dr. Linda Crawford DDS, MS, P.C. Tips from your peers to help you ...
Read more

Lumbar Disc Herniation: everything you've ever wanted to ...

Lumbar Disc Herniation: ... which can also be called a protrusion, extrusion, ... If these biochemicals get loose in the posterior one third of the ...
Read more

Posterior Disc Protrusion - Laser Spine Institute

Posterior disc protrusion refers to a disc that has deteriorated and expanded backward from its normal anatomical position
Read more

Revision strategy for posterior extrusion of the CHARITÉ ...

1. Spine (Phila Pa 1976). 2010 Nov 15;35(24):E1430-4. doi: 10.1097/BRS.0b013e3181e9bf30. Revision strategy for posterior extrusion of the CHARITÉ ...
Read more

Meniskuswurzelverletzungen – “root tears”: ­Modediagnose ...

In klinischen Arbeiten konnte ein signifikanter Zusammenhang zwischen Meniskuswurzelverletzungen und Meniskus-Extrusion, ... a tear of the posterior root ...
Read more


Posterior protrusion of one of the lumbar intervertebral discs into the spinal canal is one of the most common mechanical derangements of the low back in ...
Read more