Classification of Periodontal Disease Flashcards
Name an example of when a patient can have a reduced periodontium
Crown lengthening surgery
What does the staging part of classification mean?
Stages based on severity
1 - early mild
2 - moderate
3 - severe (potential for additional tooth loss)
4 - very severe (potential for loss of dentition)
What does the grading part of classification mean
Grades based on disease susceptibility (A, B or C)
Stage 1 interprox bone loss at worst site
<15% or 2mm
Stage 2 interprox bone loss at worst site
Coronal third of root
Stage 3 interprox bone loss at worst site
Mid third of root
Stage 4 interprox bone loss at worst site
Apical third of root
How do we use bone loss to stage?
Use maximum bone loss at worst site
Where do we measure from our BWs
Measure from CEJ
How is grading calculated?
Find the worst site of bone loss
Assign it a %
% bone loss divided by age
What does a Grade A actually mean?
Max bone loss less than half the patients age
What does a Grade C actually mean?
Max bone loss more than patients age
How is the extent of peridontitis noted?
- Localised
<30% of teeth - Generalised
More than 30% of teeth
Course of action if a code 3 noted?
6PPC in that quadrant post tx
Radiographs
Course of action if a code 4 noted?
6PPC throughout the entire dentition
Radiographs
In a 6PPC, site should only be recored if …?
If 4mm and above
Whats the word order for the diagnosis for perio patient? (4)
- Extent (generalised or localised)
- Severity (stage 1-4)
- Disease progression (A-C)
- Stability
How does a pregnancy epulis look? (3)
- Big large mass forms after birth
- No radiological bone loss
- No interdental recession
What are the 3 types of necrotising perio disease?
- Necrotising gingivitis
- Necrotising periodontitis
- Necrotising stomatitis
How does necrotising gingivitis present clinically?
- Ulceration around gingival margin
- White grey fibrin protein
- The
How does necrotising periodontitis present clinically?
- V localised and dramatic loss of bone tissue
- Crater type defect
List 2 systemic conditions that affect periodontal tissues
- Squamous cell carcinoma
2. Langerhans cell
