Enviar pesquisa
Carregar
Impression techniques
•
Transferir como PPT, PDF
•
24 gostaram
•
12,479 visualizações
OCO Biomedical Latinoamerica
Seguir
Denunciar
Compartilhar
Denunciar
Compartilhar
1 de 93
Baixar agora
Recomendados
dental implant
Impression techniques in implants
Impression techniques in implants
Mohammad Algraisi
techniques of implant impression
dental implant impression technique
dental implant impression technique
Sara Zaky
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Classification and impression techniques of implants/ dentistry dental implants
Classification and impression techniques of implants/ dentistry dental implants
Indian dental academy
Implant prosthetic dentistry
Implant prosthetic dentistry
Implant prosthetic dentistry
Ruhi Kashmiri
Impression Techniques for Implant Prostheses
Impression techniques
Impression techniques
Aamir Godil
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.for more details please visit www.indiandentalacademy.com
Impression tecnique for implant supported rehabilitation/ dental courses
Impression tecnique for implant supported rehabilitation/ dental courses
Indian dental academy
this ppt enlightened with different types of implant abutment connection. Detailed classification of abutments. Different types of abutments. Latest trends of abutments. Smart abutments. Platform switching, rationale of platform switching and related articles.
Implant abutment and implant abutment connections
Implant abutment and implant abutment connections
DR.BHAVESH JHA
overdentures
Implant supported overdentures
Implant supported overdentures
Murtaza Kaderi
Recomendados
dental implant
Impression techniques in implants
Impression techniques in implants
Mohammad Algraisi
techniques of implant impression
dental implant impression technique
dental implant impression technique
Sara Zaky
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Classification and impression techniques of implants/ dentistry dental implants
Classification and impression techniques of implants/ dentistry dental implants
Indian dental academy
Implant prosthetic dentistry
Implant prosthetic dentistry
Implant prosthetic dentistry
Ruhi Kashmiri
Impression Techniques for Implant Prostheses
Impression techniques
Impression techniques
Aamir Godil
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.for more details please visit www.indiandentalacademy.com
Impression tecnique for implant supported rehabilitation/ dental courses
Impression tecnique for implant supported rehabilitation/ dental courses
Indian dental academy
this ppt enlightened with different types of implant abutment connection. Detailed classification of abutments. Different types of abutments. Latest trends of abutments. Smart abutments. Platform switching, rationale of platform switching and related articles.
Implant abutment and implant abutment connections
Implant abutment and implant abutment connections
DR.BHAVESH JHA
overdentures
Implant supported overdentures
Implant supported overdentures
Murtaza Kaderi
This journal club deals with different impression techniques for implant restorations. These include two different impression techniques using different impression materials.
Implant impressions- journal club - Accuracy of implant impressions using var...
Implant impressions- journal club - Accuracy of implant impressions using var...
Partha Sarathi Adhya
Overdenture
Overdenture
Dr. Talib Amin Naqash
Dental implants cement retention vs screw retention
Dental implants cement retention vs screw retention
Dental implants cement retention vs screw retention
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
Computer guided
Computer guided
Computer guided
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
implant supported overdenture in brief
Implant supported overdenture
Implant supported overdenture
JISSA SUNNY
Attachments In Prosthodontics
Attachments In Prosthodontics
Attachments In Prosthodontics
Self employed
Implant components and basic techniques3
Implant components and basic techniques3
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
full mouth rehabilitation
Full mouth hobo
Full mouth hobo
Anish Amin
Edentulous Mandible - Fixed Prostheses
Edentulous Mandible - Fixed Prostheses
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
PLATFORM SWITCHING
PLATFORM SWITCHING
PLATFORM SWITCHING
shari kurup
Inplant based complete Denture
Complete Denture on Implant
Complete Denture on Implant
Sk Aziz Ikbal
02 - occlusion in prosthodontics. Concepts of Complete denture occlusion
Concepts of Complete denture occlusion
Concepts of Complete denture occlusion
Amal Kaddah
The Completely Edentulous Mandible: Treatment Plans for Fixed Restorations
Implant supported fixed bridge for edentulous mandible
Implant supported fixed bridge for edentulous mandible
Botan Khafaf
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Pontics
Pontics
Indian dental academy
These impressions are recorded under functional load, that is tissue surface is recorded in compressed form
Functional impression in RPD
Functional impression in RPD
EnishaAgarwal1
in prosthodontics
Impression Techniques in Fixed partial denture
Impression Techniques in Fixed partial denture
Dr.Richa Sahai
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Surgical implant placement guides/ dentistry dental implants
Surgical implant placement guides/ dentistry dental implants
Indian dental academy
3.jaw relation and occ in rpd
3.jaw relation and occ in rpd
dr zarir ruttonji
Various impression techniques for partially edentulous PTs.
impression in RPD
impression in RPD
itsdental
Latest advances in Prosthodontics
Recent advances in prosthdontics
Recent advances in prosthdontics
Joel Koshy
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Impression techiques / implant dentistry course/ implant dentistry coursevvv
Impression techiques / implant dentistry course/ implant dentistry coursevvv
Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.for more details please visit www.indiandentalacademy.com
Implants impressioned/ dental implant courses
Implants impressioned/ dental implant courses
Indian dental academy
Mais conteúdo relacionado
Mais procurados
This journal club deals with different impression techniques for implant restorations. These include two different impression techniques using different impression materials.
Implant impressions- journal club - Accuracy of implant impressions using var...
Implant impressions- journal club - Accuracy of implant impressions using var...
Partha Sarathi Adhya
Overdenture
Overdenture
Dr. Talib Amin Naqash
Dental implants cement retention vs screw retention
Dental implants cement retention vs screw retention
Dental implants cement retention vs screw retention
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
Computer guided
Computer guided
Computer guided
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
implant supported overdenture in brief
Implant supported overdenture
Implant supported overdenture
JISSA SUNNY
Attachments In Prosthodontics
Attachments In Prosthodontics
Attachments In Prosthodontics
Self employed
Implant components and basic techniques3
Implant components and basic techniques3
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
full mouth rehabilitation
Full mouth hobo
Full mouth hobo
Anish Amin
Edentulous Mandible - Fixed Prostheses
Edentulous Mandible - Fixed Prostheses
www.ffofr.org - Foundation for Oral Facial Rehabilitiation
PLATFORM SWITCHING
PLATFORM SWITCHING
PLATFORM SWITCHING
shari kurup
Inplant based complete Denture
Complete Denture on Implant
Complete Denture on Implant
Sk Aziz Ikbal
02 - occlusion in prosthodontics. Concepts of Complete denture occlusion
Concepts of Complete denture occlusion
Concepts of Complete denture occlusion
Amal Kaddah
The Completely Edentulous Mandible: Treatment Plans for Fixed Restorations
Implant supported fixed bridge for edentulous mandible
Implant supported fixed bridge for edentulous mandible
Botan Khafaf
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Pontics
Pontics
Indian dental academy
These impressions are recorded under functional load, that is tissue surface is recorded in compressed form
Functional impression in RPD
Functional impression in RPD
EnishaAgarwal1
in prosthodontics
Impression Techniques in Fixed partial denture
Impression Techniques in Fixed partial denture
Dr.Richa Sahai
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Surgical implant placement guides/ dentistry dental implants
Surgical implant placement guides/ dentistry dental implants
Indian dental academy
3.jaw relation and occ in rpd
3.jaw relation and occ in rpd
dr zarir ruttonji
Various impression techniques for partially edentulous PTs.
impression in RPD
impression in RPD
itsdental
Latest advances in Prosthodontics
Recent advances in prosthdontics
Recent advances in prosthdontics
Joel Koshy
Mais procurados
(20)
Implant impressions- journal club - Accuracy of implant impressions using var...
Implant impressions- journal club - Accuracy of implant impressions using var...
Overdenture
Overdenture
Dental implants cement retention vs screw retention
Dental implants cement retention vs screw retention
Computer guided
Computer guided
Implant supported overdenture
Implant supported overdenture
Attachments In Prosthodontics
Attachments In Prosthodontics
Implant components and basic techniques3
Implant components and basic techniques3
Full mouth hobo
Full mouth hobo
Edentulous Mandible - Fixed Prostheses
Edentulous Mandible - Fixed Prostheses
PLATFORM SWITCHING
PLATFORM SWITCHING
Complete Denture on Implant
Complete Denture on Implant
Concepts of Complete denture occlusion
Concepts of Complete denture occlusion
Implant supported fixed bridge for edentulous mandible
Implant supported fixed bridge for edentulous mandible
Pontics
Pontics
Functional impression in RPD
Functional impression in RPD
Impression Techniques in Fixed partial denture
Impression Techniques in Fixed partial denture
Surgical implant placement guides/ dentistry dental implants
Surgical implant placement guides/ dentistry dental implants
3.jaw relation and occ in rpd
3.jaw relation and occ in rpd
impression in RPD
impression in RPD
Recent advances in prosthdontics
Recent advances in prosthdontics
Destaque
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Impression techiques / implant dentistry course/ implant dentistry coursevvv
Impression techiques / implant dentistry course/ implant dentistry coursevvv
Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.for more details please visit www.indiandentalacademy.com
Implants impressioned/ dental implant courses
Implants impressioned/ dental implant courses
Indian dental academy
impression techniques of complete denture
impression techniques of complete denture
akanksha arya
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Special impression techniques/ dentistry dental implants
Special impression techniques/ dentistry dental implants
Indian dental academy
Prosthetic options in implant dentistry
Prosthetic options in implant dentistry
Bibin Bhaskaran
Dental implants
Dental implants
Parth Thakkar
Step by step impression taking when using a closed tray approach
Straumann Bone Level Closed Tray Impression
Straumann Bone Level Closed Tray Impression
Andres Sanchez DDS, MS, Dip ABP
types and classification of dental implants
types and classification of dental implants
Desa Ghanavi
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats. Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics, Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call 00919248678078
Impressions for fixed partial dentures /certified fixed orthodontic courses ...
Impressions for fixed partial dentures /certified fixed orthodontic courses ...
Indian dental academy
dentistry
Basic dental implant
Basic dental implant
Muaiyed Mahmoud Buzayan
Impression materials & Techniques
Impression materials and techniques
Impression materials and techniques
Ekta Garg
Dental implants
Dental implants
islam kassem
Dental implant
Dental implant
dukeheart
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Implant design and consideration/ dentistry work
Implant design and consideration/ dentistry work
Indian dental academy
Impression of Straumann Bone Level for Open tray
Straumann Bone Level Implant Impression Open Tray Final
Straumann Bone Level Implant Impression Open Tray Final
Andres Sanchez DDS, MS, Dip ABP
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
implant supported complete denture/ cosmetic dentistry training
implant supported complete denture/ cosmetic dentistry training
Indian dental academy
Crown and bridge impression slides
Crown and bridge impression slides
blander55
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
Techniques of dental impression making/ dental education in india
Techniques of dental impression making/ dental education in india
Indian dental academy
Implant prosthetic considerations
Implant prosthetic considerations
Nitika Jain
all the basics of implant therapy in prosthodontics.. especially for UG's.................
Implants the future of prosthodontics
Implants the future of prosthodontics
Priyank Pareek
Destaque
(20)
Impression techiques / implant dentistry course/ implant dentistry coursevvv
Impression techiques / implant dentistry course/ implant dentistry coursevvv
Implants impressioned/ dental implant courses
Implants impressioned/ dental implant courses
impression techniques of complete denture
impression techniques of complete denture
Special impression techniques/ dentistry dental implants
Special impression techniques/ dentistry dental implants
Prosthetic options in implant dentistry
Prosthetic options in implant dentistry
Dental implants
Dental implants
Straumann Bone Level Closed Tray Impression
Straumann Bone Level Closed Tray Impression
types and classification of dental implants
types and classification of dental implants
Impressions for fixed partial dentures /certified fixed orthodontic courses ...
Impressions for fixed partial dentures /certified fixed orthodontic courses ...
Basic dental implant
Basic dental implant
Impression materials and techniques
Impression materials and techniques
Dental implants
Dental implants
Dental implant
Dental implant
Implant design and consideration/ dentistry work
Implant design and consideration/ dentistry work
Straumann Bone Level Implant Impression Open Tray Final
Straumann Bone Level Implant Impression Open Tray Final
implant supported complete denture/ cosmetic dentistry training
implant supported complete denture/ cosmetic dentistry training
Crown and bridge impression slides
Crown and bridge impression slides
Techniques of dental impression making/ dental education in india
Techniques of dental impression making/ dental education in india
Implant prosthetic considerations
Implant prosthetic considerations
Implants the future of prosthodontics
Implants the future of prosthodontics
Semelhante a Impression techniques
RADIOTHERAPY
Immobilization devices.pptx
Immobilization devices.pptx
adityasingla007
Diagnosis and treatment planning
Diagnosis and treatment planning
OCO Biomedical Latinoamerica
Diagnosis and treatment planning part 1
Diagnosis and treatment planning part 1
OCO Biomedical Latinoamerica
Challenges of root canal treatment in poor countries
Challenges of root canal treatment in poor countries
Augustine Rukoma
ANES 1502 - M13 PPT: Complex Surgical Instruments
ANES 1502 - M13 PPT: Complex Surgical Instruments
ANES 1502 - M13 PPT: Complex Surgical Instruments
College of DuPage Learning Technologies
Surgical techniques
Surgical techniques
Surgical techniques
Mohammad Mahdi Shater
Periodontist who does his best when he provides Long Island with treatment for tooth and gum disease. Dentist, dental implants, laser gum treatment for periodontal disease, bone graft, gum surgery
Long Island Implant Dentist presents "The Benefits of Dental Implants"
Long Island Implant Dentist presents "The Benefits of Dental Implants"
Edward Brant DDS, MS
Myanmar Society of Oral Implantology collaborates with Dental Implant system using in Myanmar and celebrates Two days seminar. At this event, as the President of MSOI, I present this topic on preparation for dental implant treatment. It was sponsored by MDA (Naypyidaw).
What are you preparing for dental implant treatments
What are you preparing for dental implant treatments
kyaw tint
PET center, oncology, treatments
PET CENTER CREATION
PET CENTER CREATION
Maxim Tyagly
medical
000244GB_SKY fast & fixed manual.pdf
000244GB_SKY fast & fixed manual.pdf
SidorAndrei
Lacs. od cme. september 18, 2011 (1)
Lacs. od cme. september 18, 2011 (1)
Visionary Ophthamology
Overview of final impression and soft tissue management technique for excellent impressions.
Tissue Management & Impression Technique
Tissue Management & Impression Technique
Pacific University
ESCRS Presentation
ESCRS Presentation
lenstec
oral surgery
oral surgery
shabeel pn
Endodontic surgery
Endodontic surgery
Abhijeet Khade
This is a presentation that will allow all professionals to gain a great understanding on advance technology implants.
Managing Premium Intraocular Lenses
Managing Premium Intraocular Lenses
donnyreeves
Chapter 12 complex surgical instruments
Chapter 12 complex surgical instruments
lahcmultimedia
Chapter 12 complex surgical instruments
Chapter 12 complex surgical instruments
lahcmultimedia
Treatment Planning pt. 7-8
Treatment Planning pt. 7-8
doncurtis
4th year lecture
Endodontic Surgery
Endodontic Surgery
Al-Azhar University, Cairo, Egypt
Semelhante a Impression techniques
(20)
Immobilization devices.pptx
Immobilization devices.pptx
Diagnosis and treatment planning
Diagnosis and treatment planning
Diagnosis and treatment planning part 1
Diagnosis and treatment planning part 1
Challenges of root canal treatment in poor countries
Challenges of root canal treatment in poor countries
ANES 1502 - M13 PPT: Complex Surgical Instruments
ANES 1502 - M13 PPT: Complex Surgical Instruments
Surgical techniques
Surgical techniques
Long Island Implant Dentist presents "The Benefits of Dental Implants"
Long Island Implant Dentist presents "The Benefits of Dental Implants"
What are you preparing for dental implant treatments
What are you preparing for dental implant treatments
PET CENTER CREATION
PET CENTER CREATION
000244GB_SKY fast & fixed manual.pdf
000244GB_SKY fast & fixed manual.pdf
Lacs. od cme. september 18, 2011 (1)
Lacs. od cme. september 18, 2011 (1)
Tissue Management & Impression Technique
Tissue Management & Impression Technique
ESCRS Presentation
ESCRS Presentation
oral surgery
oral surgery
Endodontic surgery
Endodontic surgery
Managing Premium Intraocular Lenses
Managing Premium Intraocular Lenses
Chapter 12 complex surgical instruments
Chapter 12 complex surgical instruments
Chapter 12 complex surgical instruments
Chapter 12 complex surgical instruments
Treatment Planning pt. 7-8
Treatment Planning pt. 7-8
Endodontic Surgery
Endodontic Surgery
Mais de OCO Biomedical Latinoamerica
Socket sinus lift
Socket sinus lift
OCO Biomedical Latinoamerica
Short implant history2 15-10
Short implant history2 15-10
OCO Biomedical Latinoamerica
Restore & lab 2 17-2010 dd
Restore & lab 2 17-2010 dd
OCO Biomedical Latinoamerica
Isi tsi treatment planning and placement (updated design)
Isi tsi treatment planning and placement (updated design)
OCO Biomedical Latinoamerica
Impression techniques
Impression techniques
OCO Biomedical Latinoamerica
Immediate placement
Immediate placement
OCO Biomedical Latinoamerica
Socket sinus lift
Socket sinus lift
OCO Biomedical Latinoamerica
Immediate placement
Immediate placement
OCO Biomedical Latinoamerica
Hands on surgical flap
Hands on surgical flap
OCO Biomedical Latinoamerica
Diagnosis and treatment planning
Diagnosis and treatment planning
OCO Biomedical Latinoamerica
Hands on surgical flap
Hands on surgical flap
OCO Biomedical Latinoamerica
Eri implant case
Eri implant case
OCO Biomedical Latinoamerica
Diagnosis and treatment planning part 2
Diagnosis and treatment planning part 2
OCO Biomedical Latinoamerica
Mais de OCO Biomedical Latinoamerica
(13)
Socket sinus lift
Socket sinus lift
Short implant history2 15-10
Short implant history2 15-10
Restore & lab 2 17-2010 dd
Restore & lab 2 17-2010 dd
Isi tsi treatment planning and placement (updated design)
Isi tsi treatment planning and placement (updated design)
Impression techniques
Impression techniques
Immediate placement
Immediate placement
Socket sinus lift
Socket sinus lift
Immediate placement
Immediate placement
Hands on surgical flap
Hands on surgical flap
Diagnosis and treatment planning
Diagnosis and treatment planning
Hands on surgical flap
Hands on surgical flap
Eri implant case
Eri implant case
Diagnosis and treatment planning part 2
Diagnosis and treatment planning part 2
Impression techniques
1.
Level II: Advanced
Implant Placement and Restoration Course Dr. David Dalise Dr. Gary McCabe Ross
2.
Impression Techniques
3.
4.
5.
6.
7.
Pre Op X-ray
8.
Periapical X-ray
9.
10.
11.
12.
13.
#8 HS Bur
14.
15.
Pilot Drill w/out
Drill Stops
16.
17.
18.
19.
Periapical X-ray
20.
Tissue Punch
21.
Removal of Tissue
Plug
22.
23.
Countersink Drill
24.
3.3mm Osteotome
25.
26.
27.
3.5mm Osteotome
28.
29.
30.
ISI 4mm x
12mm CB
31.
Placement of ISI
with Ultem Cap
32.
Ratchet Wrench Seating
ISI Implant
33.
ISI Ratcheted to
Final Seating
34.
Torqued to 40+
N/Cm
35.
36.
Periapical X-ray
37.
4.0 TRIP and
4.0 AC
38.
TRIP “Snapped” Into
Margin
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
91.
92.
93.
THANK YOU Questions?
Baixar agora