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Results for “Labial Frenum”

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At least 253 records · Page 14Linked to original sources
PubMed1992

[Preparation of a monoclonal antibody against EA p138 of Epstein-Barr virus: its application in Sjogren's syndrome].

A monoclonal antibody against Epstein-Barr virus (EBV) encoded early antigen (EA) p138 was prepared with the use of a lysoprotein from the recombinant plasmid pUCARG1140. By using this specific monoclonal antibody and immunofluorescence as well as immunoenzyme methods, 4 of 13 lacrimal, 15 of 37 labial and all 7 renal biopsy tissues from patients with Sjogren's syndrome (SS) were found to have positive staining of epithelial cells, whereas those of control persons were all negative. These results suggest that EBV has been in the stage of active replication in the aforementioned tissues of SS and this virus may have a close association with SS in terms of pathogenesis.

Animals↗
PubMedDate not supplied

The applications of diode and Er:YAG lasers in labial frenectomy in infant patients.

This paper describes a clinical case of labial frenectomy using different high power lasers: diode (810 nm) and Er:YAG (2940 nm). Considerations are made about specific indications, surgery techniques, and advantages of labial frenectomy using these laser wavelengths. The diode laser has high absorbance by pigmented tissues with hemoglobin, melanin, and collagen chromophores. For this reason, this wavelength is well indicated for surgery in soft tissue (vaporization, incision, coagulation, hemostasis). It is not properly absorbed, however, and should never be used in contact with hard tissues (bone). The Er:YAG laser has high absorbance to water and mineral apatite, making this wavelength useful and safe for the ablation of hard tissues. In the labial frenectomy clinical procedure, a combined technique is suggested: using the diode laser in soft tissues and the Er:YAG laser in periosteal bone tissues and for removal of final collagen fibers. It is important for the professional to understand the physical characteristics of the different laser wavelengths and their interaction with biological tissues to assure that they are used in a safe way, and that the benefits of this technology can be provided to infant patients.

Child, Preschool↗
PubMed2006

Correction of congenitally missing lateral incisors with porcelain veneers.

The ability of the dental professional to improve a patient's smile has become a benchmark in modern aesthetic dentistry. When one type of tooth is transformed into another through the restorative process, special care must be taken to ensure correct preparation and gingival contours to create the illusion that the teeth are in their correct position. With accurate digital photographic planning, active patient consultation, detailed tooth preparation, and a meticulous laboratory sequence, porcelain laminate veneers can be functional and can achieve the aesthetic expectations of the patient.

Adult↗
PubMed1991

[Median cleft of the lower lip. Apropos of a case].

The authors report a case of median cleft of the lower lip and mandible. This is rare malformation (60 cases published in the literature) with anomalies of the tongue and sometimes midline cervical cord. Cleft of the lower lip is repaired early between one and six months, but the correction of mandibular defect by bone graft will be done at the age of ten years. In this way the authors hope to preserve mandibular and teeth growth.

Abnormalities, Multiple↗
PubMed1991

Ridge recontouring and crown lengthening prior to bridge placement.

This report describes crown lengthening and ridge recontouring to facilitate the provision of an aesthetic bridge pontic. A short clinical crown on one of the abutment teeth and a prominent edentulous ridge were probably related to a traumatic episode which caused the avulsion of the missing incisor in childhood.

Adult↗
PubMedDate not supplied

Finite element analysis of the stress-concentrating effect of fraenal notches in complete dentures.

Based on clinical experience and empiricism, it was postulated that fraenal notches and midline diastemas lead to fracture of complete dentures. This study used finite element stress analysis to investigate the stress-concentrating effect of a fraenal notch with and without a midline diastema. It was found that a large fraenal notch resulted in high stress levels and that these stresses were augmented more by a narrow median diastema than its wider counterpart.

Dental Stress Analysis↗