Which dental supply company would be filed last in alphabetical order?

The answer identifies Henry Schein as the dental supply company that would be filed last in alphabetical order among the options provided. To determine the order, each company name is compared starting with the first letter and moving to subsequent letters as necessary.

Glidewell begins with a 'G', which comes before 'H' in Henry Schein. Patterson Dental starts with a 'P', placing it after both Glidewell and Henry Schein. Burkhart Dental starts with a 'B' and also comes before Henry Schein.

When organizing the companies alphabetically, the sequence would be: Burkhart Dental, Glidewell, Henry Schein, and then Patterson Dental. Since Henry Schein falls before Patterson Dental but after Burkhart and Glidewell, it is the last in the arrangement when considering only the first letter and subsequent letters for tie-breaking.

This analysis clearly shows the reasoning for where each company stands in an alphabetical filing system.