Surveying, Path of Insertion, Guiding Planes

Surveyor

Ney Surveyor

Parts of a Surveyor

Parts of a Surveyor

Parts of a Surveyor

Parts of a Surveyor

Parts of a Surveyor

Surveyor attachments (Tools)

Purposes of dental surveyor:

Principles of Surveying

Rule: Retentive tip should usually be designed to be placed in the gingival 1/3

Guide surfaces (or guide planes).

Guiding Plane Preparation

Path of insertion.

Path of displacement.

Selecting a Single Path of Insertion

Tripoding

Optimal Path of Insertion

Optimal Path of Insertion

Effectiveness of Guideplanes

Assessing Guiding Planes

Preparing Guiding Planes steps

When to Prepare Guiding Planes?

Effects of Guiding Planes On Retention & Stability

Axial Contours Alterations

Preparing Retention ( the undercut for the retentive arm tip)

Summary of Abutment Modifications