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1.
Int Orthod ; 21(2): 100729, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36780796

RESUMO

The aim of this case report is to illustrate the fixed orthodontic, surgical and periodontal implant management of a young adult with multiple agenesis associated with a class II division 2 malocclusion. The challenge here was the multidisciplinary synchronisation in order to achieve a coordinated treatment with the best possible aesthetic, prosthetic and functional prognosis. The patient suffered from a total of 10 agenesis including third molars and underwent implant replacement with bone grafting and periodontal planning of the 6 missing premolars. The orthodontic treatment lasted 22months and was followed by a period of just under a year for periodontal and implant prosthetic completion. The 3-year follow-up after the orthodontic phase showed an excellent prognosis in terms of aesthetics, function and stability.


Assuntos
Estética Dentária , Má Oclusão Classe II de Angle , Adulto Jovem , Humanos , Dente Pré-Molar/cirurgia , Má Oclusão Classe II de Angle/diagnóstico por imagem , Má Oclusão Classe II de Angle/cirurgia , Dente Serotino
2.
Clin Oral Investig ; 26(12): 7191-7208, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36029335

RESUMO

OBJECTIVES: The purpose of this randomized clinical trial (RCT) is to compare xenogeneic collagen matrix (XCM) versus subepithelial connective tissue graft (SCTG) to increase soft tissue thickness at implant site. MATERIALS AND METHODS: The study was a randomized, parallel-group controlled investigation. Thirty patients underwent buccal soft tissue thickness augmentation at the stage of implant placement by two different methods: SCTG (control group) and XCM (test group). Primary outcome was the amount of buccal soft tissue thickness gain, 3 months after the intervention. Secondary outcomes were the operation time, the amount of keratinized mucosa (KM), pain syndrome (PS), and patients' quality of life (QL). Histologic evaluation was also performed. RESULTS: The amount of soft tissue thickness gain was 1.55±0.11 mm in SCTG group, and 1.18±0.11mm in XCM group. The difference between the SCTG and XCM was -0.366 (-0.66 to -0.07; p=0.016). Operation time with XCM was 8.4 (3.737 to 13.06) min shorter than that with the SCTG (p=0.001). KT, PS, and QL for both groups were not statistically significantly different at any time point (p>0.05). At histological examination, the general picture in both groups was similar. No significant differences between the studied groups in most indices, except for the average and maximum formation thickness, cellularity of the basal, mitotic activity and also maximum length of rete ridges. CONCLUSION: Within limitations, this study demonstrates that the use of SCTG provides a statistically significant superior soft tissue thickness gain than XCM for soft tissue augmentation procedures around implants. CLINICAL RELEVANCE: XCM can be used as the method of choice for increasing the thickness of soft tissues.


Assuntos
Implantes Dentários , Humanos , Tecido Conjuntivo/transplante , Gengivoplastia/métodos , Vestibuloplastia/métodos , Colágeno/uso terapêutico , Gengiva/transplante
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