Perio indexes - test
CPITN, PBI, API
MUDr. Hana Poskerová Ph.D.
Stomatologická klinika
FN u svaté Anny a LF MU v Brně
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Přetížení1
 CPITN O
 CPITN O
 CPITN O
- no bleeding
-
- no calculus
-
- probing up to 3,5 mm (without)
so it can be
0.5 mm /1 mm                        2 mm /3 mm
-

Probing 5,5 mm
CPITN 4
Probing 3,5 mm
CPITN 3
CPITN 0,1,2
- probing can be                       0.5/1/2/3 mm
- no pocket
-
CPITN 3
- probing can be 4/5 mm
- shallow pocket
-
-
CPITN 0,1,2
- probing can be 6/7/8.....mm
- deep pocket
-
 CPITN


Bleeding
Calculus
Pocket probing depth (in mm)
CPITN
1
-
-
3
0
2
-
-
3,5
3
3
-
+
3
2
4
-
+
3,5
3
5
+
+
3
2
6
+
+
3,5
3
7
-
-
4
3
8
+
+
4
3
9
+
-
5,5
4
10
-
+
5,5
4
11
-
-
8
4
12
+
+
8
4

   48/24



1/ all distal papillas have PBI 2
3rd molares and all lower incisors are missing
48/24                 PBI 2
2/ all distal papillas have PBI 3
all lower incisors are missing
72/24                 PBI  3
3/ all distal papillas have PBI 1
3rd and 2nd molares are missing
24/24                PBI 1
4/ all upper distal papillas have  PBI 3; all lower distal papillas have PBI 2

all molares are missing
50/20               PBI 2,5
Determine the PBI value
Example: all distal papillas have PBI 4, all teeth are present: PBI 112/28    index 4

 ∕  +  +  ∕
 ∕    +    +     ∕
 ∕    +    +     ∕
 ∕    +    +     ∕
 ∕    +    +     ∕
  Index API

1/ all aproximal areas at molars have a plaque, the others not
 8/28
API  28,5 %
2/ all distal aproximal areas at incisors and canines have a plaque, the others not

12/28
API  42,8 %
3/ all distal aproximal areas at molars and premolars have a plaque, the others not

16/28
API  57,1 %
4/ all distal aproximal areas at molars and premolars have a plaque, the others not. 3rd and 2nd
molares and 1st premolars are missing

 8/20
API  40  %
Determine the API value when all teeth are
present                                                           API  number of areas with plaque
/ number of evaluated areas ´ 100 (%)