NHS and private dentist with practices in Lincoln, Nottingham, Sheffield, Sleaford and across the East Midlands. Accepting new patients. Same-day emergencies. Invisalign, implants, cosmetic care and more. Book online today., Looking for a modern, patient-focused dentist near you? Treeline offers check-ups, same-day emergencies, Invisalign, dental implants and more across Lincoln, Nottingham, Sheffield and nearby towns. Book today.