IADR Abstract Archives
Long-Term Assessment of Hyaluronic Acid Application in Gingival Recession Treatment
Objectives: To evaluate the long-term clinical outcomes of isolated and multiple adjacent gingival recession defects following treatment utilizing the modified coronally advanced tunnel (MCAT) or the laterally closed tunnel (LCT) technique with cross-linked hyaluronic acid (HA) in addition to connective tissue graft (CTG).
Methods: A total of 17 systemically healthy and non-smoker patients presenting one isolated RT1 and RT2 of a depth of ≥3 mm, and 13 patients with at least two adjacent RT1 and RT2 (n=42) of a depth of ≥2 mm were included to the study. Isolated recession defects were treated using the MCAT or LCT technique plus cross-linked HA in addition to CTG, while multiple recession defects were treated together with the MCAT or LCT technique alone by using HA plus CTG. The following clinical parameters were assessed at follow-up examinations (and at baseline): mean root coverage (MRC), complete root coverage (CRC), keratinized tissue width (KTW), attached tissue (AT), root coverage esthetic score (RES), as well as probing depth (PD). The primary outcome variable was MRC.
Results: The treatment of isolated and multiple recession defects were evaluated with a mean follow-up time of 58.4±11.8 months (range 44 to 75 months) and 55.5±8.56 months (range 40 to 68 months), respectively. At the final follow-up examination, MRC was 88.8±18.6% and 83.89±25.6% for isolated and multiple recession defects, respectively. A statistically significant gain of mean KT of 2.82±0.83 mm (p =0.018), and mean AT of 1.85±1.59 mm were found for isolated defects (p=0.022). However, no significant differences were identified in any of the parameters for the mean KT, AT, and PD for multiple defects. The mean RES was 9.09±1.37 and 8.72±1.62 for isolated and multiple defects, respectively.
Conclusions: Utilizing cross-linked HA in conjuction with CTG in tunnel approaches exhibited more favourable and predictable results for the treatment of isolated recession defects compared to multiple adjacent defects.
Methods: A total of 17 systemically healthy and non-smoker patients presenting one isolated RT1 and RT2 of a depth of ≥3 mm, and 13 patients with at least two adjacent RT1 and RT2 (n=42) of a depth of ≥2 mm were included to the study. Isolated recession defects were treated using the MCAT or LCT technique plus cross-linked HA in addition to CTG, while multiple recession defects were treated together with the MCAT or LCT technique alone by using HA plus CTG. The following clinical parameters were assessed at follow-up examinations (and at baseline): mean root coverage (MRC), complete root coverage (CRC), keratinized tissue width (KTW), attached tissue (AT), root coverage esthetic score (RES), as well as probing depth (PD). The primary outcome variable was MRC.
Results: The treatment of isolated and multiple recession defects were evaluated with a mean follow-up time of 58.4±11.8 months (range 44 to 75 months) and 55.5±8.56 months (range 40 to 68 months), respectively. At the final follow-up examination, MRC was 88.8±18.6% and 83.89±25.6% for isolated and multiple recession defects, respectively. A statistically significant gain of mean KT of 2.82±0.83 mm (p =0.018), and mean AT of 1.85±1.59 mm were found for isolated defects (p=0.022). However, no significant differences were identified in any of the parameters for the mean KT, AT, and PD for multiple defects. The mean RES was 9.09±1.37 and 8.72±1.62 for isolated and multiple defects, respectively.
Conclusions: Utilizing cross-linked HA in conjuction with CTG in tunnel approaches exhibited more favourable and predictable results for the treatment of isolated recession defects compared to multiple adjacent defects.