What Is Actually Offered As Cosmetic Dentistry In Penrith? http://www.dentistpenrith.sitew.org/ This procedure is only applicable when the cusps of the teeth are intact. Our Penrith Dentist grinds open the gap and place it exactly onto the tooth surface. If the greater part of the teeth is damaged or decayed, an inlay is used instead to cover the whole surface of the teeth.