Some children choose their dominant hand very early. You may notice your son or daughter using their right hand more often when they are as young as 7-9 months. This may not be permanent, though. The majority of the time, children begin to display permanent hand dominance at around 2-years-old. For some kids, it could be when they are 4 to 6-years-old.
Surgical extractions of permanent teeth cost $180 to $400; a simple tooth extraction of a baby tooth ranges from $90 to $150. Many dental insurance plans cover up to 80 percent of tooth extraction costs if the procedure is medically necessary and not for cosmetic reasons.
Dental insurance typically covers 70%-80% of standard costs if the extraction is considered medically necessary and not done just for cosmetic reasons. For example, CostHelper readers with dental insurance report paying $90-$465 for a simple extraction, at an average cost of $230. CostHelper readers with insurance report out-of-pocket expenses of $26-$145 for a simple extraction, with an average cost of $87.