A lecture for 5th stage dental students.
any questions or notes please contact me on theses links :
https://www.youtube.com/channel/UCOamwwIygP5uCZa6HBntFxw
https://www.slideshare.net/mohamedrahilalhadithy?
utm_campaign=profiletracking&utm_medium=sssite&utm_source=ssslideview
https://web.facebook.com/mohamedrahil.alhadithy
https://www.instagram.com/mohamed_rhael/
https://twitter.com/DrMohamed_rahil
The biological fixation determines the longevity of dental implant treatment. It ensures the long term survival of dental implant. Better the osseointegration,higher will be the survival rate
The biological fixation determines the longevity of dental implant treatment. It ensures the long term survival of dental implant. Better the osseointegration,higher will be the survival rate
This seminar deals with implant-related complications that lead to implant failure.this also discus diagnostic criteria and preventive methods for an implant failure.
The primary success metric of dental implants is achieving osseointegration, which is influenced by many factors including implant design, surface treatments, as well as treatment method. Implant drilling is also a major influential factor.
The content covers majority of the aspect of immediate implant placement - why immediate implants?, case selection, decision making, classifications, surgical technique, healing following immediate implant placement, immediate implants in infected sockets/periapical infections, literature reviews and recommendations for clinical practice.
loading protocols in dental implants about indications and contraindications of conventional , immediate,progressive and delayed loading of dental implants
Osseointegration, definition, history, process of osseointegration, factors influencing osseointegration, methods for evaluation of osseointegration, failure of osseointegration
This seminar deals with implant-related complications that lead to implant failure.this also discus diagnostic criteria and preventive methods for an implant failure.
The primary success metric of dental implants is achieving osseointegration, which is influenced by many factors including implant design, surface treatments, as well as treatment method. Implant drilling is also a major influential factor.
The content covers majority of the aspect of immediate implant placement - why immediate implants?, case selection, decision making, classifications, surgical technique, healing following immediate implant placement, immediate implants in infected sockets/periapical infections, literature reviews and recommendations for clinical practice.
loading protocols in dental implants about indications and contraindications of conventional , immediate,progressive and delayed loading of dental implants
Osseointegration, definition, history, process of osseointegration, factors influencing osseointegration, methods for evaluation of osseointegration, failure of osseointegration
Article "Dental Implants: Third Generation of Teeth" is published in Ecronicon (EC Dental Science) an International Journal of Dentistry based in the United Kingdom.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Francesca Gottschalk - How can education support child empowerment.pptxEduSkills OECD
Francesca Gottschalk from the OECD’s Centre for Educational Research and Innovation presents at the Ask an Expert Webinar: How can education support child empowerment?
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
4. PROBLEMS
ASSOCIATED WITH
MISSING TEETH
•The jaws may not “bite ”together properly, thus affecting the
function of mastication/chewing
•Pain na ot eud swaj/selcsum laicaf eht ni improper bite
•Difficulty with speech
•Aesthetically unpleasing yam selcsum laicaf eht sa‘ sag ’and
gaps in the teeth might appear unsightly
•Tilting : of neightbouring teeth
•Supra-eruption : of opposing teeth
•Food entrapment gnidael spag eht ni noitalumucca euqalp dna
dna yaced erom ot gum disease
•Last but not the least; your confidence gnitaeb a ekat thgim
ni egnahc eht fo esuacebecnaraeppa
5.
6.
7. Stages of bone healing after tooth extraction
Bleeding and clot formation
Granulation tissue formation ( within 2-3 days )
Fibrin clot organization ( first 4 weeks)
Woven ( immature ) bone formation (4-8)weeks
Lamellar (mature ) bone development ( 8-12 weeks )
Bone stabilization (12 -16 weeks )
8.
9.
10.
11. Factors influencing edentulous bone loss
Mental health
new studies show relation between depression and bone resorption.
The link may be in part due to the hormones that are released in those with depression, which can break down
bones.
Hormones
Particularly in women, estrogen plays a large role in bone density .
When women begin menopause estrogen begins to drop ,
For good measure it is important to consume a calcium-rich diet and exercise in order to keep bones strong.
Diet
calcium is the key to healthy bones.
Adult over the age of 50 recommended daily intake of calcium is 1,2 milligrams .
salt, alcohol and caffeinated beverages can decrease bone density ,
Physical activity
A lack of physical activity decrease bone density .
When stress is added to bones it forces them to build new cells to make them stronger, thus building up
bone density.
16. dental implant : A prosthetic device made of alloplastic materials implanted into the oral
tissues beneath the mucosa or within the bone to provide retention and support for
removable and fixed dental prosthesis .
Dental implant
17. •Dental implant surgery can offer a welcome alternative to dentures or bridgework
that doesn't fit well and can offer an option when a lack of natural teeth roots
don't allow building denture or bridgework tooth replacements.
18.
19.
20.
21. Types of dental implants
Endosseous implants
Mucosal
SUBPERIOSTEAL
Transosseous
23. For more informations about
mucosal implants please visit this
web site :
https://pocketdentistry.com/16-
intramucosal-insert-surgery-and-
prosthodontics/
44. osseointegration
Time dependent healing process , where by
clinically rigid fixation of alloplastic material
is achieved and maintained during functional
loading
45. Osseointegration is also a measure of implant stability
two different stages: : primary and secondary
Primary stability of an implant mainly comes from mechanical engagement with compact bone
,Secondary stability on other hand, offer biological stability through bone regeneration and remodeling.
The former is a requirement for secondary stability
46.
47.
48.
49.
50.
51.
52.
53.
54. Measurment of oseointegration
invasive/destructive methods Following methods were included:
Histologic/histomorphologic analysis
Tensional test
Push-out/pull-out test
Removal torque analysis.
Histomorphometric analysis
55.
56. For more informations about measurement of oseointegration ,
please visit this web site :
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4837777/
57. Clinical Assessments for Osseointegration
Performing a clinical mobility test and finding that the implant is mobile is definite evidence that it is nonintegrated
Radiographs demonstrating a apparently direct contact between bone and implant have been cited as evidence of osseointegration
Radiolucent zones around the implant are a clear indication of its being anchored in fibrous tissue, Whereas the lack of such zones is
not evidence for osseointegration.
The use of a metal instrument to tap the implant and analyze the transmitted sound may, in theory, be used to indicate a proper
osseointegration.
58. Clinical assessment of
patient need dental implant
History
Clinical examination
Intra oral
Extraoral
Investigations
Radiographical evaluation
69. TWO sTAGE IMPLANT PLACEMENT
Also known as the “submerged” or “delayed” approach
The implant was inserted in a first surgery and submerged for three to six months to permit osseointegration.
In a second surgical procedure, the implant was exposed, its cover screw removed, and the implant was then
fitted with an abutment and the prosthetic phase of treatment was completed.
The two-stage approach is sometimes uncomfortable for the patient but has a proven record of success over
time
It continues to be a valuable surgical option when primary stability cannot be achieved, or if extensive pre-
surgical or concurrent bone augmentation is required
70. A mucoperiosteal (full-thickness) flap is reflected up to or slightly beyond the level of the mucogingival junction,
exposing the alveolar ridge of the implant surgical sites.
The bone at the implant site(s) must be thoroughly debrided of all granulation tissue.
Once the flaps are reflected and the bone is prepared (i.e., all granulation tissue removed and knife-edge ridges
flattened), the implant osteotomy site can be prepared.
A series of drills are used to prepare the osteotomy site precisely and incrementally for an implant.
A surgical guide or stent is inserted, checked for proper positioning, and used throughout the procedure to
direct the proper implant placement.
0 Implant is inserted into the prepared osteotomy site with a handpiece or handheld driver
0 Tissue approximation to achieve primary flap closure without tension
Implant site preparation
71.
72. ONE-STAGE IMPLANT PLACEMENT
When aesthetics are not of concern, the cover screw or healing cap of the dental implant may be left exposed
during healing process and osseointegration period .
though several prerequisites must guide proper patient selection for this approach:
•The patient must have bone quality (ideally type I or II) and quantity sufficient to ensure primary stabilization
(the initial engagement between the bone and implant), i.e., no GBR required.The ISQ system is essential to
confirm stability in this instance.
• An adequate circumferential zone of keratinized gingival tissue must be present.
•The abutment must precisely fit the implant.
•The abutment must be tightened to the proper torque value as dictated by the implant manufacturer.Torque
values are measured in N/cm and are different for each dental implant system. Using the proper torque value
is critical in order to prevent undue loosening.
• Abutment height must not compromise occlusion, and absolutely no contact or loading with the opposing
dentition.
73.
74. keys for successful preparation
Always begin with pilot drill
Don’t miss anatomy
Maintaine vitility of bone
Slow drilling
High colling
Sharp drill
75.
76. Complications of dental implant
Intraoperative
Poorly positioned implant
Damaged to mucosa and adjacent teeth
Damaged to bone (lateral perforation , alveolar or jaw
bone fracture….)
Perforation to maxillary sinus or nasal floor
Damage to nerve
Loose implant (poor primary stability)
Hemorrhage during surgery
Post operative
Pain
Swelling
Bleeding ( secondary )
Infection ( peri-implantitis )
Late
Mucosal recession
Bone resorption
Mobility
Implant fracture
77. Criteria for success
Implant not mobile when tested clinically
A radiograph does not show any evidence of periimplant radiolucency
Vertical bone loss is less than 0.2 mm annually after the first year of service of the implant
Absence of persistent singns and symptoms as pain , infection,paresthesia
Asuccessful rate of 85% at the end of a 5% years observation period and 80 % at the end of a 10
years period
78. Causes of implant
failure
Poor quality and quantity of bone and soft tissue
Patient medical condition
Unfavorable patient habits (bruxism , long term smoking ,poor oral hygiene,.)
Inadequate surgical analysis and technique
Inadequate surgical analysis and technique
Suboptimal implant desin and surface characteristics
Implant position or location
Unknown factors