Table 5.

Organ doses (µGy) and effective doses (µSv) for selected dental protocols

FOV size (cm)a	4 × 4		4 × 4	6 × 6		6 × 6		14 × 5	14 × 5	8 × 8		10 × 10	17 × 12
FOV position	Upper canine		Lower molar	Upper frontal		Lower molar		Upper jaw	Lower jaw	Both jaws		Both jaws	Maxillofacial
Rotation	Full	Half	Full	Full	Half	Full	Half	Full	Full	Full	Half	Full	Full	Half
Red bone marrow	37	18	69	114	74	94	49	161	124	156	99	295	379	244
Oesophagus	23	14	58	42	26	106	75	73	303	193	103	241	277	129
Thyroid	108	50	236	175	88	433	254	296	813	651	338	799	847	426
Skin	45	27	32	72	50	85	54	108	107	120	70	167	218	130
Bone surface	250	112	178	724	448	305	158	1039	341	682	470	1789	2414	1432
Salivary glands	845	573	2011	2192	1583	3122	2083	3821	3879	4203	2946	5293	5737	3692
Brain	53	21	40	149	116	85	76	210	84	184	112	491	1469	1035
Remainder tissuesb	273	125	488	492	226	662	349	682	855	887	441	981	950	460
Effective dose	54	27	101	113	62	148	85	168	206	211	118	272	303	169
Eye lens	174	95	146	608	288	255	103	681	203	692	292	5308	6861	2284

FOV, field of view.

^aDiameter × height of cylindrical reconstructed FOV.

^bExtrathoracic region, lymphatic nodes, muscle  and oral mucosa.