Influence of inter-dental tissues and root surface condition on complete root coverage following treatment of gingival recessions: a 1-year retrospective study.
OBJECTIVE
To explore the influence of inter-dental tissues and root surface condition on complete root coverage following surgical treatment of gingival recessions.


METHODS
Three hundred and eighty-six single recessions treated over 28 years were assessed. Patient-level and periodontal variables, presence/loss of inter-dental tissues, and presence/absence of non-carious cervical lesions (NCCLs) were recorded. Root coverage was assessed 1-year post-surgery. Multilevel analysis was performed to identify predictors of CRC.


RESULTS
Based on type of root coverage procedure four patient groups were created: free gingival graft (FGG) (n = 116), coronally advanced flap (CAF) (n = 107), CAF+connective tissue graft (CTG) (n = 131), and guided tissue regeneration (GTR) (n = 32). Percentages of complete root coverage (CRC) were 18.1% for FGG, 35.5% for CAF, 35.1% for CAF+CTG, and 18.8% for GTR. There was an OR = 0.26 (p < 0.0001) of achieving CRC in cases with loss of inter-dental tissue compared with cases with no inter-dental tissue loss. Similarly, cases with presence of NCCL showed an OR = 0.28 (p < 0.0001) of achieving CRC compared with cases without a NCCL. FGG achieved less CRC then CAF+CTG (p = 0.0012; OR = 0.32).


CONCLUSIONS
NCCLs, just like inter-dental tissue loss, are significant negative prognostic factors in achieving CRC following root coverage procedures.
Private Practice, Florence, Italy.
Giovanpaolo
G
Pini-Prato
Private Practice, Florence, Italy.
Cristina
C
Magnani
School of Dentistry, University of Manchester, Manchester, UK.
Faizan
F
Zaheer
Department of Surgery and Translational Medicine, University of Florence, Florence, Italy.|Periodontal Unit, Eastman Dental Institute, University College of London, London, UK.
Roberto
http://orcid.org/0000-0001-9090-0624
R
Rotundo
School of Dentistry, University of Manchester, Manchester, UK.
Jacopo
http://orcid.org/0000-0001-9945-0666
J
Buti
D000293:Adolescent; D000328:Adult; D000368:Aged; D016301:Alveolar Bone Loss / Q000150:complications; D000539:Alveolar Process / Q000033:anatomy & histology; D002648:Child; D003238:Connective Tissue / Q000637:transplantation; D005260:Female; D005500:Follow-Up Studies; D058752:Free Tissue Flaps / Q000637:transplantation; D005881:Gingiva / Q000473:pathology* / Q000637:transplantation; D005889:Gingival Recession / Q000601:surgery*; D016557:Guided Tissue Regeneration, Periodontal / Q000379:methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D017622:Periodontal Attachment Loss / Q000150:complications; D010514:Periodontal Pocket / Q000150:complications; D012189:Retrospective Studies; D012907:Smoking; D013524:Surgical Flaps / Q000637:transplantation; D014072:Tooth Abrasion / Q000150:complications; D014077:Tooth Erosion / Q000150:complications; D014092:Tooth Root / Q000473:pathology*; D055815:Young Adult
cemento-enamel junction; gingival recession; mucogingival surgery; periodontal attachment loss; tooth/dental abrasion