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Coronally Positioned Flap Plus Resin‐Modified Glass Ionomer Restoration for the Treatment of Gingival Recession Associated With Non‐Carious Cervical Lesions: A Randomized Controlled Clinical Trial
Author(s) -
Santamaria Mauro Pedrine,
Suaid Fabricia Ferreira,
Casati Marcio Zaffalon,
Nociti Francisco Humberto,
Sallum Antonio Wilson,
Sallum Enilson Antônio
Publication year - 2008
Publication title -
journal of periodontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.036
H-Index - 156
eISSN - 1943-3670
pISSN - 0022-3492
DOI - 10.1902/jop.2008.070285
Subject(s) - dentistry , medicine , gingival recession , glass ionomer cement , root caries , crown (dentistry) , bleeding on probing , lesion , carious lesion , dentin , periodontitis , surgery , enamel paint
Background: The aim of this randomized clinical trial was to evaluate the treatment of gingival recession associated with non‐carious cervical lesions by a coronally advanced flap alone (CAF) or in combination with a resin‐modified glass ionomer restoration (CAF+R). Methods: Nineteen subjects with bilateral Miller Class I buccal gingival recessions associated with non‐carious cervical lesions were selected. The recessions were assigned randomly to receive CAF or CAF+R. Bleeding on probing (BOP), probing depth (PD), relative gingival recession (RGR), clinical attachment level (CAL), non‐carious cervical lesion height (CLH), and dentin sensitivity (DS) were measured at baseline; 45 days; and 2, 3, and 6 months postoperatively. Keratinized tissue width (KTW) and keratinized tissue thickness (KTT) were measured at baseline and 6 months. The height of the non‐carious cervical lesion located on the root and crown were estimated, allowing calculation of root coverage. Results: Both groups showed statistically significant gains in CAL and soft tissue coverage. The differences between groups were not statistically significant for BOP, PD, RGR, CAL, KTW, and KTT after 6 months. The percentages of CLH covered were 56.14% ± 11.74% for CAF+R and 59.78% ± 11.11% for CAF ( P >0.05). The root and crown surfaces affected by the non‐carious cervical lesion were 1.67 ± 0.31 mm and 0.96 ± 0.29 mm, respectively, for CAF+R and 1.59 ± 0.37 mm and 1.01 ± 0.33 mm, respectively, for CAF. The estimated root coverage was 88.02% ± 19.45% for CAF+R and 97.48% ± 15.36% for CAF ( P >0.05). CAF+R reduced DS significantly compared to CAF ( P <0.05). Conclusions: Both procedures provided similar soft tissue coverage after 6 months. Despite the fact that a greater reduction in DS was observed after CAF+R, longitudinal observations are necessary to confirm these results.