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J Indian Soc Pedod Prev Dent. 2019 Jul-Sep;37(3):282-285. doi: 10.4103/JISPPD.JISPPD_321_18.

Analysis of bone mineral density and content in children with molar incisor hypomineralization using dual-energy X-ray absorptiometry scan: A pilot study.

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Oral Health Sciences Centre, Unit of Pedodontics and Preventive Dentistry, PGIMER, Chandigarh, India.
Oral Health Sciences Centre, PGIMER, Chandigarh, India.
Department of Radiodiagnosis and Imaging, PGIMER, Chandigarh, India.



The objective was to evaluate the bone mineral density (BMD) and bone mineral content (BMC) in children affected with molar incisor hypomineralization (MIH) using dual-energy X-ray absorptiometry (DEXA) scan.

Materials and Methods:

The study comprised a total of 30 children aged 6-10 years. Fifteen children were affected with MIH (moderate and severe variety) diagnosed using the European Academy of Paediatric Dentistry 2003 criteria, and remaining 15 children not affected with MIH serve as a control group. DEXA scan was done in all the selected children under standard conditions.


A positive association was seen between childhood illness and MIH. The mean subtotal BMC (grams) in MIH and control group was 633 ± 80.05 and 670.33 ± 166.41, respectively, whereas mean subtotal BMD (g/m2) was 1.00 and 0.87 ± 0.35, respectively, with no statistically significant difference between two groups. BMD and BMC at the lumbar spine and thoracic spine locations were also did not vary significantly between MIH-affected children and controls.


Childhood illnesses were more common in MIH-affected children compared to controls. Bone maturation parameters (BMD, BMC) do not differ between MIH affected and control children.


Bone mineral content; bone mineral density; molar–incisor hypomineralization

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