Late mandibular fracture occurring in the postoperative period after third molar removal: systematic review and analysis of 124 cases.

Factors associated with the diagnosis, aetiology, and treatment of mandibular fractures occurring during the postoperative period following the removal of a lower third molar are discussed. The following databases were searched using specific key words: PubMed/MEDLINE, LILACS, Embase, and Scopus. The search yielded 124 cases. Sex, age, side, tooth position and angulation, bone impaction, relationship between the tooth and the inferior alveolar nerve, local pathological conditions, aetiology of the fracture, symptomatology, and time between surgery and fracture, as well as any displacement of the fracture and the treatment of the fracture, were evaluated. Data were tabulated and the χ2 statistical test was applied (P<0.05). Male patients aged >35 years, with teeth in positions II/III and B/C, complete bony impaction, and local bone-like alterations, were found to have a higher frequency of fracture and pericoronitis (P<0.05). Late fractures generally occurred between the second and fourth postoperative weeks (P<0.05). They were generally not displaced and the typical treatment was the non-surgical approach (P<0.05). It is concluded that the risk of mandibular fracture after extraction is associated with excessive ostectomy and/or local alterations. At-risk patients should be thoroughly briefed on the importance of a proper postoperative diet.

Programa de Rastreamento e Detecção Precoce do Câncer de Colo de Útero da CRS Norte SMS-SP: um instrumento para o seguimento das mulheres com lesão precursora no papanicolau nas Unidades Básicas de Saúde (UBS) / Program Tracking and Early Detection of Cancer of the Cervix North CRS SP-SMS

Apesar dos avanços alcançados, a UBS deve investir na busca ativa das mulheres resistentes ao exame e com lesões precursoras, priorizando as que apresentam lesões de maior risco e maior vulnerabilidade social (AU)

Programa de Rastreamento e Detecção Precoce do Câncer de Colo de Útero da CRS Norte SMS-SP: um instrumento para o seguimento das mulheres com lesão precursora no papanicolau nas Unidades Básicas de Saúde (UBS)

Apesar dos avanços alcançados, a UBS deve investir na busca ativa das mulheres resistentes ao exame e com lesões precursoras, priorizando as que apresentam lesões de maior risco e maior vulnerabilidade social

Surface and hemocompatibility studies of bi-soft segment polyurethane membranes.

Cross-linked urethane/urea membranes with two soft segments were prepared by extending a poly(propylene oxide) based tri-isocyanate-terminated prepolymer (PUR) with polybutadiene diol (PBDO). The ratio of prepolymer and polybutadiene diol was varied to yield cross-linked membranes with different compositions, exhibiting different degrees of phase-separation of the PBDO segments in the bulk and of surface enrichment in PUR. In this work, surface energy and hemocompatibility aspects (hemolysis and thrombosis) of the PUR/PBDO membranes were evaluated. The results showed that the membrane surface energy increased with the PBDO content until 25% of PBDO, and decreased thereafter. The introduction of the second, more hydrophobic, soft segment (PBDO) in the PUR membranes turned hemolytic into non-hemolytic membranes and, for a blood-material contact time of 10 minutes, decreased the thrombogenicity significantly. The 10% PBDO membrane was the least thrombogenic and was also non-hemolytic. The hemolysis degree did not vary significantly with the PBDO content while, for blood-material contact times of 10 minutes, the thrombogenicity increased with an increase in PBDO content above 10%. Membrane thrombogenicity varied with the blood-material contact time. For blood contact times of 10 minutes, all membranes tested were less thrombogenic than glass.