Sr. No. Grades Inter-incisal Opening (mm) Hearing loss(dB) AB gap(dB) Diagnosis
Rt. Lt. Rt. Lt.
1. III 14 38 35 24 21 Bilateral mild C.H.L
2. II 25 28 15 15 - Mild C.H.L 15 dB AB Gap on rt. Side
3. II 25 12 30 - 18 Mild C.H.L 18 dB AB Gap on lt. side
4. II 25 15 30 - 15 Mild C.H.L 15 dB AB Gap on lt. side
5. II 25 30 32 18 20 Bilateral mild C.H.L
6. II 21 35 30 20 15 Bilateral mild C.H.L
7. II 28 35 35 20 20 Bilateral mild C.H.L
8. II 26 37 30 22 17 Bilateral mild C.H.L
9. II 22 28 32 17 20 Bilateral mild C.H.L
10 II 20 30 18 17 -- Mild C.H.L 17 dB AB Gap on right side
11 II 21 22 19 -- -- Normal hearing threshold on both sides
12 II 29 15 20 -- -- Normal hearing threshold on both sides
13 II 32 18 20 -- -- Normal hearing threshold on both sides
14 II 28 15 20 -- -- Normal hearing threshold on both sides
15 II 26 19 14 -- -- Normal hearing threshold on both sides
16 I 35 18 15 -- -- Normal hearing threshold on both sides
17 I 31 20 18 -- -- Normal hearing threshold on both sides
18 I 30 21 17 -- -- Normal hearing threshold on both sides
19 I 27 17 13 -- -- Normal hearing threshold on both sides
20 I 33 20 15 -- -- Normal hearing threshold on both sides
Table 9: Distribution of Samples.