The BEST description of the soft tissue firm lesion in the photograph is:

Gingival crevicular fluid serves what function(s):  

Plaque biofilm poses a problem because the bacteria within the biofilm produce by-products that cause dental diseases. Toxins are responsible for gingival inflammation and acids are responsible for tooth caries.    

As you are probing tooth #20 you detect a severe drop in the probe on the facial aspect and a 7mm pocket is recorded. You also note that 1-2 mm of recession has occurred at this site. All other probe readings are apparently normal throughout the mouth. You suspect that this area represents the presence of:    

As you are probing tooth #20 you detect a severe drop in the probe on the facial aspect and a 7mm pocket is recorded. You also note that 1-2 mm of recession has occurred at this site. All other probe readings are apparently normal throughout the mouth. You suspect that this area represents the presence of:    

Water lines are bled at the end of an appointment for what length of time?

The Gracey #13-14 curet: (1)   is a universal curet (2)   is designed only for posterior teeth (3)   is an area-specific curet (4)   can be used for supragingival deposits  

Water lines are bled at the end of an appointment for what length of time?

What questions do you have as you look forward to starting clinic in January? 

Gingivitis is initiated by: