DrChengs.com is an educational dental health resource created by Dr. David Cheng, a Toronto native and practicing dentist with more than 30 years of experience. The site aims to provide the public with free, practical, evidence-based dental information, and states that its articles are written and vetted by Dr. Cheng. Its guides, videos, and question-and-answer content explain oral health topics in accessible terms, helping readers understand dental conditions, procedures, prevention, and treatment options.

The website covers concerns including cracked teeth, sleep apnea, bite problems, tooth sensitivity, receding gums, and teeth grinding. It also provides information about procedures such as dental crowns, implants, smile makeovers, and scaling, alongside guidance on airway dentistry and what to expect at a dental exam. Visitors can browse articles and videos, explore answers to common patient questions, or request a virtual consultation. DrChengs.com emphasizes that its educational content is not professional medical advice or a substitute for care from a qualified dental provider, and encourages readers to seek personalized advice for their own concerns.