Preclinical Hygiene Wk. 10

periodontal instrumentation

the removal or disruption of plaque biofilm, its byproducts, and calculus deposits from coronal and root surfaces

subgingival instrumentation

Create an environment that permits tissue healing

Increase effectiveness of patient self-care

calculus

A systematic pattern of instrumentation strokes will prevent missing:

locate

It is challenging for the clinician to ____ and remove subgingival calculus deposits beneath the gingival margin

rounded

What shape is the back of a universal curet

toe

What is the tip of a universal curet called

universal curets

Used on both anterior and posterior teeth. Can be used to remove both supragingival and subgingival calculus

barnhart 5/6

Curet with a longer lower shank and longer working-end

barnhart 5/6

Curet used for deep periodontal pockets

barnhart 5/6

Curet used to reach the distal of a 3rd molar

columbia 13/14

Curet with a shorter terminal shank and working end

columbia 13/14

Curet used for anterior teeth with shallow sulcus

cej

Number 1 most common location for subgingival calculus

tenacious

Hardened calculus that has been there a long time and rooted itself into the dentin

cej

Hygienists can miss a piece of subgingival calculus if they mistake it for the:

furcation

Another common location for calculus on multirooted teeth

bump away from tooth

Correct working end for posterior teeth

0-40

Angulation for Insertion

60-80

Calculus Removal Angulation

pivot

What must be done in order to achieve correct angulation once you are sub

root debridement

Removing bacteria off root surface, cleaning root surface

roll

What must be done in order to adapt the toe third

multidirectional strokes

Use all three types of strokes to create a “crosshatch pattern”

horizontal strokes

extremely effective in removing calculus deposits at line angles and midlines

bump towards the tooth

Correct working end for anterior teeth