Coronally positioned flap for treatment of restored root surfaces: a 6-month clinical evaluation.
BACKGROUND
The aim of this study was to evaluate clinically the treatment of gingival recession associated with non-carious cervical lesions (NCCLs) by resin modified glass ionomer cement (RMGI) or microfilled resin composite (MRC) and coronally positioned flap (CPF) at 6 months following surgery.


METHODS
Fifty-nine patients were assigned to one of three treatments: root exposure without NCCL treated with CPF (group 1); root exposure with NCCL treated with RMGI restoration plus CPF (group 2); or root exposure with NCCL treated with MRC restoration plus CPF (group 3). Clinical measurements that were assessed at baseline and at 3 and 6 months after surgery included plaque index (PI), bleeding on probing (BOP); probing depth (PD), recession reduction (RR), clinical attachment level gain (CALG), keratinized tissue height (KTH), keratinized tissue thickness (KTT), percentage of root coverage (RC), and percentage of restored root coverage (RRC).


RESULTS
Intra- and intergroup analyses demonstrated no significant differences in PI, BOP, PD, RR, CALG, KTH, or KTT (P >0.05) among the groups at any time. At 6 months, the mean RC was 80.83% +/- 21.08% for group 1; the mean RRCs were 71.99% +/- 18.69% and 74.18% +/- 15.02% for groups 2 and 3, respectively. There were no statistically significant differences in RRC between groups 2 and 3.


CONCLUSIONS
All treatments showed root coverage improvement without damage to periodontal tissues, supporting the use of CPF for treatment of root surfaces restored with RMGI or MRC as being effective over the 6-month period.
Lucchesi
Juliana Antico
JA
Department of Periodontics, Dental Research Division, Guarulhos University, Guarulhos, São Paulo, Brazil.
Santos
Vanessa Renata
VR
Amaral
Cristiane Mariote
CM
Peruzzo
Daiane Cristina
DC
Duarte
Poliana Mendes
PM
D000180:Acrylic Resins / Q000627:therapeutic use*; D000328:Adult; D003188:Composite Resins / Q000627:therapeutic use*; D003731:Dental Caries / Q000628:therapy*; D003793:Dental Restoration, Permanent / Q000379:methods; D004812:Epidemiologic Methods; D005260:Female; D005889:Gingival Recession / Q000601:surgery*; D005899:Glass Ionomer Cements / Q000627:therapeutic use; D006801:Humans; D008297:Male; D011140:Polyurethanes / Q000627:therapeutic use*; D013524:Surgical Flaps; D019237:Tooth Cervix; D014092:Tooth Root / Q000601:surgery
D000180:Acrylic Resins; C029012:Composite Dental Resin; D003188:Composite Resins; D005899:Glass Ionomer Cements; D011140:Polyurethanes