Effect of physical and physicochemical surface treatment methods on the tensile strength of CAD/CAM-fabricated zirconia posts and cores luted to root canalsCumhur Sipahi
Department of Prosthodontics, Academic Center for Dental Sciences, Gulhane Military Medical Academy, Ankara, Turkey
Int J Periodontics Restorative Dent 31:e64-70. 2011
..034). No significant difference was found between treatment methods. Failure types varied depending on the surface treatment method...
Effect of different mucosal and acrylic resin surface treatments in a denture retention model for patients with radiotherapy-induced xerostomiaCumhur Sipahi
Department of Prosthodontics, Center of Dental Sciences, Gulhane Military Medical Academy, 06018 Etlik, Ankara, Turkey
Int J Prosthodont 20:405-8. 2007
..Biotène was reported to improve patient comfort but had minimal effect on retentive force; however, Biotène can be assumed to be a more advantageous method of increasing retention compared to sandblasting (P < .05)...
Effects of precementation desensitizing laser treatment and conventional desensitizing agents on crown retentionCumhur Sipahi
Department of Prosthodontics, Center for Dental Sciences, Gulhane Military Medical Academy, Ankara, Turkey
Int J Prosthodont 20:289-92. 2007
..Laser treatment had a less negative effect on retention for crowns luted with glass-ionomer cement than the other treatment modalities, and it may be a more suitable desensitization method if crown retention can be moderately sacrificed...
The prosthodontic restoration of a self-inflicted gunshot maxillofacial defect: a short-term follow-up case reportCumhur Sipahi
Department of Prosthodontics, Center for Dental Sciences, Gulhane Military Medical Academy, Ankara, Turkey
Int J Prosthodont 20:85-8. 2007
..Provision of a fixed implant-retained mandibular prosthesis opposing a specific design for a maxillary obturator provided short-term and optimistic prognosis in the management of a serious traumatic injury...
The effect of two fibre impregnation methods on the cytotoxicity of a glass and carbon fibre-reinforced acrylic resin denture base material on oral epithelial cells and fibroblastsCumhur Sipahi
Department of Prosthodontics, Gulhane Military Medical Academy, Etlik, Ankara, Turkey
J Oral Rehabil 33:666-73. 2006
..Elapsed incubation time decreased epithelial cell viability in silane-treated groups. Fibroblastic cell viability was not influenced by elapsed time except the unreinforced group...
Tubule-occluding effect of desensitizing laser treatment on prepared dentin surfaces: an environmental SEM studyCumhur Sipahi
Department of Prosthodontics, Center for Dental Sciences, Gulhane Military Medical Academy, Ankara, Turkey
Int J Prosthodont 19:37-9. 2006
..The purpose of this in vitro study was to demonstrate the dentinal tubule-occluding effect of desensitizing laser treatment on dentin surfaces using environmental scanning electron microscopy (E-SEM)...
Effect of accelerated aging on the color stability of feldspathic ceramic treated with various surface treatmentsArzu Atay
Department of Prosthetic Dentistry, Gulhane Military Medical Academy, Istanbul, Turkey
Quintessence Int 39:603-9. 2008
..To investigate the effect of the accelerated aging process on the color stability of feldspathic ceramic treated with dual ion exchange, overglaze, polishing, and autoglaze surface treatments...
Effects of six surface treatment methods on the surface roughness of a low-fusing and an ultra low-fusing feldspathic ceramic materialMehmet Dalkiz
Department of Prosthodontics, Dental Sciences Center, Gulhane Military Medical Academy, Ankara, Turkey
J Prosthodont 18:217-22. 2009
..The purpose of this in vitro study was to determine the effects of six surface treatment methods on the surface roughness of two feldspathic ceramic materials...
Resistance of three new esthetic post-and-core systems to compressive loadingFaruk Taner Dilmener
Dental Sciences Center, Gulhane Military Medical Academy, Ankara, Turkey
J Prosthet Dent 95:130-6. 2006
..Aside from its desirable esthetic properties, the zirconia post/ceramic core combination demonstrated high resistance to fracture...
In vitro evaluation of head and neck radiation shields used to reduce exit doseBahar Dirican
Department of Radiation Oncology, Gulhane
Int J Prosthodont 19:462-6. 2006
..CONCLUSION: In protective oral radiation shields, acrylic resin stent thickness has little effect on the reduction of normal tissue dose, but lead shield thickness significantly effects the reduction of normal tissue dose...