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Sarah A. Knowles, DDS

2245 N Hills Dr

Raleigh, NC 27612


About Our Office

Our team is passionate about providing you with the absolute best quality and care in dentistry. With ongoing training from world-renowned facilities across the nation, our dentists offer advanced services and skills. Our office is mercury-free and equipped with cutting edge technology to accommodate these skills, giving us the ability to provide you, not only general and family dentistry, but also treatments like oral sedation, nitrous, bite guards and oral appliances to reduce snoring as well as cosmetic dentistry. Come see us at Crabtree Valley Dental in Raleigh, NC where we are ready to serve you and your family.
  • English
  • American Dental Association
  • Dawson Center for Advanced Dental Study
  • North Carolina Dental Association

Office Hours

7:30 AM
4:30 PM
7:30 AM
7:00 PM
7:30 AM
4:30 PM
7:30 AM
7:00 PM
7:30 AM
2:30 PM
8:00 AM
1:00 PM

Payment Options

Credit Lines
  • Carecredit
American Express icon ATM and debit cards icon Discover icon MasterCard icon Visa icon


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Matthew Stephen Wirick, DDS
Ohio State University College of Dentistry 1996
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Sarah A. Knowles, DDS
University of Iowa 2003
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Mark V. Valentinas, DDS
Loyola University School of Dentistry 1981

Services We Offer

  • Anesthesia-Sedation
    • nitrous oxide (laughing gas)
    • oral sedation
    • local anesthesia
  • Cosmetic Dentistry
    • Zoom!® (1 hour in-office teeth whitening process)
    • Teeth Whitening
    • dental bonding
    • porcelain dental veneers
  • Endodontics
    • root canal therapy
  • Oral Surgery
    • simple tooth extractions
    • impacted wisdom teeth
    • dental implants (surgical placement)
    • non-impacted wisdom teeth
  • Orthodontics
    • retainers
    • Invisalign®
  • Other Clinical Services
    • bruxism (teeth grinding)
    • night guards
    • snore guards
  • Periodontics
    • gum surgery
    • root planing
    • scaling
  • Restorative Dentistry
    • dental crowns
    • dental bridges
    • dental implants (restoration)
    • dentures (upper and lower)
  • Technology
    • digital xray (CDR)

Complimentary Amenities



Patient Reviews