This study will be divided in two parts:~Part 1: a retrospective analysis of short-term outcomes of periodontal regenerative procedures undertaken at the Barts Royal London Dental Hospital (RLDH); Part 2: a single recall visit study in which patients identified through part 1 and willing to consent for the study will be reassessed for medium-term outcomes of the regenerative procedures previously undertaken.~For part 1 historic data will be collected from available dental records at RLDH and divided in:~Timepoint 0: the latest available full mouth periodontal assessment before surgery and x-ray of site/s needing surgical intervention~Timepoint 1: the latest available full mouth periodontal assessment after surgery and x-ray of same site/s at Timepoint 0~For part 2 data will be collected from patients identified through part 1 and willing to give consent for a single study recall visit:~•Timepoint 2: single study outcome recall visit (full mouth periodontal assessment and x-ray of same site/s at Timepoint 0).~Due to the nature of the study, the time elapsed between Timepoint 0 and Timepoint 2 can vary between 1 and 4 years.
The aim of this recall study is to evaluate outcomes of surgical regenerative treatment of periodontal defects in a cohort of patient previously treated for gum disease at the Royal London Hospital as part of their periodontal care.