Hard tissue charting and periodontal screening

Question 1

How are the quadrants of the mouth labelled in FDI charting

Answer 1

Draw a C starting at the upper right that finishes at the lower right

UR = 1
UL = 2
LL = 3
LR = 4

Question 2

What does the middle horizontal line represent in hard tissue charts

Answer 2

the inner parts of the mouth so either the palatal side or the lingual side

Question 3

Why are there 2 layers in an adult hard tissue chart

Answer 3

the inner layers show the present dental status and work completed

the outer layers show work to be carried out

Question 4

What needs to be recorded when recording tooth surface loss

Answer 4

• Location
• Extent - enamel, dentin, pulp?
• Classification of loss
• short description of condition

Question 5

What are the signs of bruxism

Answer 5

• Wear is usually uniform when opposing teeth are affected
• tongue scalloping
• cheek ridging

Question 6

What probe is used for a BPE ting

Answer 6

WHO probe

Question 7

How far from the target tooth should your finger rest be

Answer 7

1-4 teeth away

Question 8

What things make a good finger rest in terms of plaecment of your finger

Answer 8

• should always be intro-oral
• Should always be on the occlusal or incisor surface of the tooth
• Should always be as close to working areas as possible

Question 9

What orientation should the BPE probe be in when carrying out a test

Answer 9

• Should be parallel to the long axis of the root surface

- The probe tip is kept in contact with the tooth surface throughout the stroke

Question 10

What motion should be used in a BPE test

Answer 10

Walking stroke with the probe tip against the tooth surface

Question 11

How do you measure interproximal areas where the teeth are in contact

Answer 11

• Walk probe between teeth until it touches the contact area
• Slant the probe slightly so the tip reaches under the contact area
• In this position gently press down to touch the soft tissue base

Question 12

What is the recommended force to apply when probing?

Answer 12

25g

Question 13

Why do we exclude the third molars form the BPE

Answer 13

Often there is false pocketing around the third molars

Question 14

How many teeth need to be in a sextant to record a score for that sextant

Answer 14

2

Question 15

If there is only one tooth in a sextant then what is done?

Answer 15

The score for the remaining tooth is added to the adjacent sextant

Question 16

What score requires a detailed probing in just that sextant

Answer 16

3

Question 17

What score requires a detailed probing in all sextants

Answer 17

4 or more

Question 18

How deep are the packers in each BPE score

Answer 18

0, 1 and 2 < 3.5mm
3 = 3.5-5.5mm
4 = >5.5mm
4* = furcation involvement

Question 19

What instruction is given for BPE scores of 4 or 4*

Answer 19

• Oral hygiene instruction
• Root surface debridement
• assess for need of more complex treatment
• referral to a specialist might be needed

Question 20

What instruction is needed for BPE score 1

Answer 20

Just oral hygiene instruction

Question 21

What instruction is needed for BPE score 2

Answer 21

• oral hygiene instruction

- removal of plaque retentive factors including all supra and sub gingival calculus

Question 22

What BPE scores require a radiograph for that sextant

Answer 22

3 or 4 or 4*