Page 7, “Plaque and Its Effects” — Calculus photos courtesy of Daniel M. Schweitzer, DDS. X-ray of calculus buildup courtesy of Dr. Padmaja Mutyala. Page 11, “Sealants” — Sealant photos courtesy of Adam A. Francois, DMD, FAGD. Page 12, “Dental X-Rays” — CBCT courtesy of Dr. Tawana Feimster. Page 14, “Stages of Periodontitis” — Advanced Periodontitis photo courtesy of Dr. John C. Hall. Page 16, “Gum Disease Treatment and Maintenance” — Before-and-after photos courtesy of Dr. Dorothy Anasinski. Page 19, “Gum Recession” — Gum recession photo courtesy of Dr. Kevin D. Dow, www.chicagostylesmiles.com. Page 20, “Gum Recession Treatments” — Gum recession photos courtesy of Dr. Bernard W. Murray. Page 22, “Dental Caries” — Decay Under a Filling photo captured by Dr. Joseph Nelson II. X-ray courtesy of Dr. Padmaja Mutyala. Page 23, “Tooth Decay in Baby Teeth” — Initial decay photo courtesy of David M. Hasson, DMD. Page 24, “Cavities” — General steps of a filling photos courtesy of Dr. Roy Daniels, www.myfamilydentist.com. Page 26, “Inlays and Onlays” — Inlay and onlay photos courtesy of Dr. Ting-Wey Yen. Page 28, “Crown Preparation and Placement” — Filling/crown photos courtesy of John R. Nosti, DMD, FAGD, FACE, FICOI, SmileDesignNYC.com. Page 35, “Full Dentures” — Implant denture photos courtesy of Dr. Ting-Wey Yen. Page 37, “Implants” — Implant photos courtesy of Dr. Ting-Wey Yen. Page 38, “Peri-Implantitis” — photos courtesy of Dr. H. Ryan Kazemi. Page 41, “Orthodontic Treatment” — Before-and- after photos courtesy of Grant Bowbeer, DDS, MS. Page 43, “Surgical Correction” — Before-and-after photos courtesy of Grant Bowbeer, DDS, MS. Page 44, “Cosmetic Options” — Before-and-after photos for Whitening and Combination Treatments #1 courtesy of Dr. Victor H. Burdick. Veneers courtesy of John R. Nosti, DMD, FAGD, FACE, FICOI, SmileDesignNYC.com. Combination Treatments #2 and #3 courtesy of Robert A. Lowe, DDS. The ADA thanks our members who contribute their clinical photos to the Chairside Instructor. If you have high-quality digital images to share, please email patientsmart@ada.org and ask for submission guidelines. Photo Credits The Chairside Instructor 55 Page 45, “Veneers” — Before-and-after photos courtesy of John R. Nosti, DMD, FAGD, FACE, FICOI, SmileDesignNYC.com. Reprinted with permission from Dentaltown Magazine. Page 46, “Tooth Erosion” — Photos courtesy of Mark M. Montana, DDS. Page 47, “Tooth Erosion” — Photos courtesy of Martha Ann Keels, DDS, PhD. Page 48, “Wisdom Teeth” — Panorex radiograph (top left) courtesy of Brian A. McMurtry, DDS, FAGD. Radiograph (top center) and impaction photo (top right) courtesy of Dr. Jeffrey Dorfman, nycdentist.com. Page 50, “Cracked Tooth” — Photo of cracked tooth with large filling captured by Dr. Joseph Nelson II. Page 51, “Tooth Grinding and Clenching” — Before-and-after photos courtesy of Dr. Ting-Wey Yen. Page 53, “Tobacco” — Nicotine stain photo courtesy of Othman Shibly, DDS, MS, School of Dental Medicine, University at Buffalo, State University of New York.