With in the past few weeks I notice my gums are starting to be sore.  I am not sure why I do practice proper dental hygiene.

Answer:  There are many factors that can cause your gums to be sore.  Some of these factors include inflammation due to plaque on teeth, Canker sore, Gingivitis, Periodontitis, Dry mouth, and Poor dental hygiene. Other less common causes for sore gums can include a variety of conditions that may irritate the gums such as misaligned teeth, rough edges of fillings, and ill-fitting or unclean mouth appliances Sore Gums.  If you still continue to have sore gums see a dentist.  A dentist will be able to find out why your gums are sore and determine the best coarse of treatment.