Early healing of implants placed into fresh extraction sockets: an experimental study in the beagle dog. III: soft tissue findings.
J Clin Periodontol
; 36(12): 1059-66, 2009 Dec.
Article
em En
| MEDLINE
| ID: mdl-19929957
ABSTRACT
AIM:
To describe histologically the early phases of soft tissue healing to implants placed into fresh extraction sockets. MATERIALS ANDMETHODS:
In 16 beagle dogs, 64 3.25-mm-wide cylindrical screw implants were inserted into the distal sockets of the third and fourth lower premolars using a one-stage trans-mucosal healing protocol. Biopsies were then taken at 1, 2, 4 and 8 weeks and prepared for histological examination.RESULTS:
One-week specimens showed a junctional epithelium and an underlying loose connective tissue rich in inflammatory cells. At 2 weeks, signs of epithelial proliferation and a more organized connective tissue were observed. At 4 and 8 weeks, inflammation was absent; the epithelium appeared mature and in close contact with the surface of the healing abutment or the implant. The connective tissue was dense in an area close to the implant surface and the fibres were aligned parallel to the implant surface. The soft tissue dimensions at 8 weeks were approximately 5 mm, including about 3-3.5 mm of epithelium and 1-1.5 mm of connective tissue.CONCLUSION:
Soft tissue healing to implants placed in fresh extraction sockets may result in a longer epithelial interface than implants placed in a healed ridge.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Cicatrização
/
Alvéolo Dental
/
Implantação Dentária Endóssea
/
Gengiva
Tipo de estudo:
Diagnostic_studies
Limite:
Animals
Idioma:
En
Ano de publicação:
2009
Tipo de documento:
Article