Preenchimento osseo em lesoes de bifurcação grau II por meio da regeneração tecidual guiada : estudo clinico em molares superiores

AUTOR(ES)

Fernando Reno de Lima. _

DATA DE PUBLICAÇÃO

1997

RESUMO

Bone fill in class II furcation defects in human teeth was studied following guided tissue regeneration procedures using polytetrafluoroethylene membrane (PTFE). The following clinical assessments were taken: Plaque Index (PU), Gingival Index (G1), Blending on Probing (BP), gingival margin leveI (GML), vertical clinical attachment leveI (V CAL), probing depth (PD), horizontal clinical attachment leveI (RCAL), and surgical assessment like vertical bone leveI (VBL) and horÍzontal bone leveI (HBL). The measurements were taken at baseline and re-entry surgery after 6 months. Theprocedures were performed according with the Helsinki Declaration of 1975 in 10 patients, 22 to 68 years old, whse first and secod maxillary molars were involved by adults periodontitis and class II furcation defects. Mucoperiosteal flaps were raised and the defects were treated with hand and rotatory instruments. Tetracycline hydrocholoride (50mglml) was applied on the root surface for 4minutes. Tooth received the PTFE membrane and matress suture kept the membranes in place. Oral hygiene was accomplished by soft tooth brushing and rinsing the surgical area with 0.12% cWorexidine gluconate twice a day for ten days after surgery when the sutures were removed - the patients were maintened with the same oral hygiene regime for six weeks, when the PTFE material was removed. The fmding showed better results, and there was statistically significant difference for G1 (p<0.01) and BP (p<0.05), however, P1l was not entry procedures. There was c1inical difference for GML, however, this difference was not statistically significant (p>O.05) between baseline and re-entry surgery. There was c1inical and statistically significant difference in VCAL (pO.05) between baseline and re-entry procedures. Within the limits of this study, it was conc1uded that there is significant bone f111 in c1ass II human furcation defects in maxillary molars treated by guided tissue regeneration

ASSUNTO(S)

periodontia

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