After the first expansion, each team had nine rivals rather than seven, and the 154-game season made for bad math, MLB's official historian, John Thorn, explains. To play 22 games against each rival would require an 198-game season, so MLB settled on 18 games per rival for nine rivals, for a total of 162 games. (Thorn clarifies that yes, in 1961, after the AL had expanded but the NL had not, the leagues played seasons of different lengths.
Sometimes called sleep dentistry, IV dental sedation provides moderate to deep sedation, and can cost $250-$900 or more but is typically $500-$700, depending on the dentist, length of the appointment and location. Dentists must meet specific board requirements to do IV sedation.
1 DocShop is a site that provides information regarding sedation dentistry and the cost according to the site can range from $225 to $300. 2  These prices are good for sedation methods used less often in dentistry as well as those used for dental surgery. It should be noted that the price for sedation dentistry does not include the cost of the actual dental procedure. 2  There are different types of sedatives that can be used depending on the type of procedure that will be performed, and the cost can differ based on this.