[Retracted] Augmented Reality Research of Measuring X-Ray Dental Film Alveolar Bone Based on Computer Image Analysis System

Table 1

Patient distribution.

	0–12	13–24	25–36	37–46	47–60	Over 60	Male	Female
First hospital	28	24	26	14	17	27	76	60
Second hospital	33	29	23	21	16	31	94	59
Third hospital	38	25	16	17	13	28	83	54
Fourth hospital	35	24	16	14	11	25	69	56
Fifth hospital	27	29	17	15	13	33	74	60
Sixth hospital	27	25	15	12	15	24	67	51