Table 2 Mean of the maximum and mean of the average dosages (Gy) received by dental groups of patients submitted to IMRT and 3DRT protocols
From: IMRT delivers lower radiation doses to dental structures than 3DRT in head and neck cancer patients
IMRT | 3DRT | |||
|---|---|---|---|---|
Mean maximum | Mean average | Mean maximum | Mean average | |
Tongue cancer | ||||
Lower teeth | ||||
Anterior | 56.9 | 42.8 | 36.4 | 32.5 |
Pre-molars | 51.5 | 43.6 | 56.9 | 49.5 |
Molars | 50.8 | 42.3 | 64.7 | 59.1 |
Upper teeth | ||||
Anterior | 41.0 | 26.4 | 23.7 | 19.0 |
Pre-molars | 42.7 | 36.1 | 20.9 | 16.8 |
Molars | 47.5 | 36.7 | 43.7 | 37.7 |
Oral cavity cancer | ||||
Lower teeth | ||||
Anterior | 47.0 | 34.6 | 48.9 | 43.7 |
Pre-molars | 43.5 | 37.2 | 46.1 | 39.9 |
Molars | 46.3 | 39.2 | 66.8 | 51.6 |
Upper teeth | ||||
Anterior | 38.4 | 24.0 | 37.2 | 34.3 |
Pre-molars | 34.7 | 26.1 | 47.7 | 42.6 |
Molars | 44.7 | 35.5 | 56.7 | 52.2 |
Oropharynx cancer | ||||
Lower teeth | ||||
Anterior | 32.3 | 25.0 | 24.9 | 18.3 |
Pre-molars | 36.5 | 31.3 | 40.6 | 34.5 |
Molars | 50.5 | 41.0 | 57.0 | 52.1 |
Upper teeth | ||||
Anterior | 28.0 | 19.6 | 20.6 | 13.2 |
Pre-molars | 34.1 | 28.4 | 47.5 | 39.9 |
Molars | 46.8 | 36.6 | 55.7 | 49.2 |
Nasopharynx cancer | ||||
Lower teeth | ||||
Anterior | 30.2 | 22.3 | 32.2 | 21.5 |
Pre-molars | 37.1 | 28.0 | 44.9 | 37.5 |
Molars | 54.6 | 39.9 | 65.6 | 57.2 |
Upper teeth | ||||
Anterior | 31.7 | 23.6 | 28.6 | 18.2 |
Pre-molars | 35.1 | 28.7 | 40.7 | 30.3 |
Molars | 52.5 | 38.8 | 60.8 | 50.3 |