Follow the steps below for DHYG-specific information. You may want to look in books' indexes under hairy tongue in addition to black hairy tongue.

Your course textbooks are great places to look for information on your topic. The following ebooks, which may include some course textbooks, have helpful information on your topic.

Hint: To find detailed information on your topic in the above book, scroll down to see the Table of Contents, and then select Index (usually the last entry in the Table of Contents). Look up your topic in the Index (you may need to look at synonyms too) and note the page range. Above the book it tells you what page you're on (e.g. Page 355 of 366) - overwrite the page number with the desired page number (e.g, 87)

Hint: To find detailed information on your topic in the above book, scroll down to see the Table of Contents, and then select Index (usually the last entry in the Table of Contents). Look up your topic in the Index (you may need to look at synonyms too) and note the page range. Above the book it tells you what page you're on (e.g. Page 355 of 366) - overwrite the page number with the desired page number (e.g, 87)

Hint: To find detailed information on your topic in the above book, scroll down to see the Table of Contents, and then select Index (usually the last entry in the Table of Contents). Look up your topic in the Index (you may need to look at synonyms too) and note the page range. Above the book it tells you what page you're on (e.g. Page 355 of 366) - overwrite the page number with the desired page number (e.g, 87)

Search for Black Hairy Tongue in the following databases, and then consider use the steps in the box below, Focusing CINAHL and PubMed on Dental-Relevant Results, for limiting results to dental-specific information.

In the above databases, for linking to full text, be sure to see the tab for Full Text Linking.

Many of your research topics will be dental in nature by default, such as periodontitis; however, if you have a topic that is broad or are looking up a condition that can impact areas other than the oral cavity, try these filters in CINAHL and PubMed.

Use CINAHL's Advanced Search. Here you'll find the option for Special Interest, and can select Dental Care. Note: this filter is at the bottom of the screen, so be sure to scroll down far enough