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Author Ahmed M Maawadh

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Influence of contemporary CAD-CAM milling systems on the fit and adaptation of partially stabilized Zirconia fixed partial dentures

Khulud A Al-Aali, Rana S Alhamdan, Ahmed M Maawadh, Fahim Vohra, Tariq Abduljabbar,

<h4>Objective:</h4> To evaluate marginal fit and internal adaptation of three-unit Zr frameworks fabricated from four Zr CAD/CAM milling systems. <h4>Methods:</h4> Fixed partial denture models were replicated (40 stone models) using Polyvinyl Siloxane impression material (PVS) and type IV stone for Zr framework fabrication. FPDs were milled with four CAD/CAM systems, ... Read more >>

Pak J Med Sci (Pakistan journal of medical sciences)
[2021, 37(1):45-51]

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Immunohistochemical study of dental pulp cells with 3D collagen type I gel in demineralized dentin tubules in vivo.

Sultan Zeb Khan, Sana Mirza, Samina Karim, Takashi Inoue, Mohammed S Bin-Shuwaish, Laila Al Deeb, Khold Al Ahdal, Rana S Al-Hamdan, Ahmed M Maawadh, Fahim Vohra, Tariq Abduljabbar,

Dental pulp cells (DPCs) represent good candidates for the regeneration of dental tissue. This study aimed to evaluate the growth and differentiation potential of DPCs cultured inside demineralized dentin tubules in vivo. Six green fluorescent protein-transgenic rats (body weight 100 g each) and thirty-two Sprague-Dawley (SD) male rats (body weight ... Read more >>

Bosn J Basic Med Sci (Bosnian journal of basic medical sciences)
[2020, 20(4):438-444]

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Influence of contemporary CAD-CAM milling systems on the fit and adaptation of partially stabilized Zirconia fixed partial dentures.

Khulud A Al-Aali, Rana S Alhamdan, Ahmed M Maawadh, Fahim Vohra, Tariq Abduljabbar,

<h4>Objective</h4>To evaluate marginal fit and internal adaptation of three-unit Zr frameworks fabricated from four Zr CAD/CAM milling systems.<h4>Methods</h4>Fixed partial denture models were replicated (40 stone models) using Polyvinyl Siloxane impression material (PVS) and type IV stone for Zr framework fabrication. FPDs were milled with four CAD/CAM systems, Group-II: LAVAL Zirconia ... Read more >>

Pak J Med Sci (Pakistan journal of medical sciences)
[2021, 37(1):45-51]

Cited: 0 times

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Management of caries affected dentin (CAD) with resin modified glass ionomer cement (RMGIC) in the presence of different caries disinfectants and photosensitizers.

Abdullah Alshahrani, Eisha Abrar, Ahmed M Maawadh, Rana S Al-Hamdan, Thamer Almohareb, Yasser AlFawaz, Mustafa Naseem, Fahim Vohra, Tariq Abduljabbar,

<h4>Aim</h4>To evaluate Shear bond strength (SBS) of resin modified glass ionomer cement (RMGIC) on caries affected dentin after using different cavity disinfectants i.e., chlorhexidine gluconate (CHX), Er,Cr:YSGG laser (ECYL) and photodynamic therapy (PDT).<h4>Material and methods</h4>Total 50 freshly extracted mandibular molars were obtained through non-traumatic extraction. All the samples were rooted ... Read more >>

Photodiagnosis Photodyn Ther (Photodiagnosis and photodynamic therapy)
[2020, 32:101978]

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Antimicrobial efficacy of silver diamine fluoride in comparison to photodynamic therapy and chlorhexidine on canal disinfection and bond strength to radicular dentin.

Eisha Abrar, Mustafa Naseem, Qaiser Ali Baig, Fahim Vohra, Ahmed M Maawadh, Thamer Almohareb, Mohammed Q AlRifaiy, Tariq Abduljabbar,

<h4>Aim</h4>To assess the antimicrobial efficacy of Silver diamine fluoride (SDF), Sodium hypochlorite (NaOCl), Chlorhexidine (CHX) and Photodynamic therapy (PDT) in radicular dentin and subsequent bond strength of Fiber reinforced composite post (FRCP) to radicular dentin.<h4>Material and methods</h4>Forty extracted premolars were disinfected and decoronated up-to cement-o-enamel junction (CEJ). Canals were instrumented ... Read more >>

Photodiagnosis Photodyn Ther (Photodiagnosis and photodynamic therapy)
[2020, 32:102066]

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Efficacy of chlorhexidine, Er Cr YSGG laser and photodynamic therapy on the adhesive bond integrity of caries affected dentin. An in-vitro study.

Laila Al Deeb, Mohammed S Bin-Shuwaish, Eisha Abrar, Mustafa Naseem, Rana S Al-Hamdan, Ahmed M Maawadh, Modhi Al Deeb, Thamer Almohareb, Khold Al Ahdal, Fahim Vohra, Tariq Abduljabbar,

<h4>Aim</h4>To evaluate the adhesive bond integrity (shear bond strength-SBS) of composite resin bonded to carious dentin using chlorhexidine gluconate (CHX), Er,Cr:YSGG laser (ECYL) and photodynamic therapy (PDT).<h4>Material and methods</h4>Thirty carious and ten non-carious mandibular teeth were collected through non-traumatic extraction. All samples were embedded in polyvinyl cross-sections to the cemento-enamel ... Read more >>

Photodiagnosis Photodyn Ther (Photodiagnosis and photodynamic therapy)
[2020, 31:101875]

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Influence of different photosensitizers on push-out bond strength of fiber post to radicular dentin.

Khold Al Ahdal, Laila Al Deeb, Rana S Al-Hamdan, Mohammed S Bin-Shuwaish, Modhi Al Deeb, Ahmed M Maawadh, Abdulaziz AlHelal, Fahim Vohra, Tariq Abduljabbar,

BACKGROUND:To evaluate the effect of different photosensitizer on extrusion bond strength of glass fiber post to radicular dentin. MATERIAL AND METHODS:Forty maxillary and mandibular central incisors were disinfected and decoronated. Mechanical instrumentation of canal was performed using protaper NiTi. Shaping and cleaning of canal comprised of S1, S2, SX with ... Read more >>

Photodiagnosis Photodyn Ther (Photodiagnosis and photodynamic therapy)
[2020, 31:101805]

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Repair strength and surface topography of lithium disilicate and hybrid resin ceramics with LLLT and photodynamic therapy in comparison to hydrofluoric acid.

Ahmed M Maawadh, Thamer Almohareb, Rana S Al-Hamdan, Modhi Al Deeb, Mustafa Naseem, Aasem M Alhenaki, Fahim Vohra, Tariq Abduljabbar,

<h4>Aim</h4>The aim was to compare the repair bond strength and surface topography of lithium disilicate ceramics (LDC) and hybrid resin ceramics (HRC) using different surface conditioning treatments [low level laser therapy (LLLT), photodynamic therapy (PDT), hydrofluoric acid (HF) with silane and air abrasion (AA) and silane].<h4>Material and method</h4>Sixty specimens each ... Read more >>

J Appl Biomater Funct Mater (Journal of applied biomaterials & functional materials)
[2020, 18:2280800020966938]

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Graphene oxide nano-filler based experimental dentine adhesive. A SEM / EDX, Micro-Raman and microtensile bond strength analysis.

Abdullah Alshahrani, Mohammed S Bin-Shuwaish, Rana S Al-Hamdan, Thamer Almohareb, Ahmed M Maawadh, Modhi Al Deeb, Aasem M Alhenaki, Tariq Abduljabbar, Fahim Vohra,

<h4>Aim</h4>The study aimed to assess graphene oxide (GO) adhesive and its dentin interaction using scanning electron microscopy (SEM), MicroRaman spectroscopy and Microtensile bond strength (╬╝TBS).<h4>Materials and methods</h4>Experimental GOA and control adhesives (CA) were fabricated. Presence of GO within the experimental adhesive resin was assessed using SEM and Micro-Raman spectroscopy. Ninety ... Read more >>

J Appl Biomater Funct Mater (Journal of applied biomaterials & functional materials)
[2020, 18:2280800020966936]

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Influence of milling systems and marginal configurations on the fit of yttrium stabilized tetragonal zirconia polycrystals (Y-TZP)' copings.

Khulud A Al-Aali, Mohammed S Bin-Shuwaish, Aasem M Alhenaki, Khold Al Ahdal, Laila Al Deeb, Ahmed M Maawadh, Abdulaziz AlHelal, Hiba Alshehri, Fahim Vohra, Tariq Abduljabbar,

<h4>Objective</h4>The aim of this study was to evaluate marginal fit of yttrium tetragonal zirconia polycrystals (Y-TZP)' copings with different finish line designs fabricated with various digital scanners and milling systems.<h4>Methods</h4>Three model plastic teeth were prepared with three finish line designs: Design-1, continuous chamfer; Design-2, chamfer with shallow depression; Design-3, chamfer ... Read more >>

J Appl Biomater Funct Mater (Journal of applied biomaterials & functional materials)
[2020, 18:2280800020924514]

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Influence of curing duration and mixing techniques of bulk fill resin composites on bi-axial flexural strength and degree of conversion.

Thamer Almohareb, Abdulaziz A Alayed, Khalid M Alzahrani, Ahmed M Maawadh, Basil Almutairi, Rana S Alhamdan, Ahlam Bahkali, Tariq Abduljabbar, Fahim Vohra,

<h4>Objectives</h4>The aim was to assess the influence of polymerization duration, method and resin manipulation techniques on the biaxial flexural strength (BFS) and degree of conversion (DC) of bulk fill resin composites (BFRC).<h4>Methods</h4>One hundred and eighty disc specimens were fabricated using MultiCore (MC) and Core-It (CI) bulk fill resin composite. Each ... Read more >>

J Appl Biomater Funct Mater (Journal of applied biomaterials & functional materials)
[2020, 18:2280800020975721]

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