OHI-S World
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Portal for dentists

🌐 Dental training independent of producers

Our site: https://ohi-s.com/
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🦷 Advanced biomechanics with Giorgio Fiorelli — the #1 training in modern orthodontic biomechanics.
This intensive course is a must‑attend for clinicians working with aligners who want to uncover their true potential.
🔹 Real force systems behind aligners
🔹 Biological limits that affect predictability
🔹 Why aligners fail — and how to overcome it
🔹 Hybrid mechanics for molar uprighting, deep bite correction, intrusion, and space closure

🚀 Learn directly from Giorgio Fiorelli, one of the world’s leading experts, and bring clarity, precision, and predictability into your orthodontic practice

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🦷 Master vertical preparation with the ultimate online course for prosthodontists and dental technicians.
24 lessons, 16 hours of intensive training, and detailed protocols covering every stage of VertiPrep.

👤 Learn directly from Pasquale Venuti and Marco Maiolino — experts who have perfected vertical preparation from A to Z.
💎 Ideal training for the prosthodontist–technician team, combining biomechanics, impression protocols (analog & digital), and technical steps for temporary and permanent restorations.

🚀 Elevate your skills with the most comprehensive program on vertical preparation available today

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We’re starting the year with an event you can’t miss 🔥
Advanced Endodontic Techniques with Yoshi Terauchi

An intensive seminar in Warsaw 🇵🇱, focused on non-surgical retreatment of root canals and the author’s clinical protocols of one of the world’s leading experts in endodontics.

This course is designed for dentists who want to:
🔸 confidently manage complex retreatment cases
🔸 minimize risks and complications
🔸 improve the predictability of treatment outcomes

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Early intervention — big results 😏

The photo shows a classic example of early orthodontic treatment:
when we address the cause, not just the consequences.

🔑 Key points of early treatment:
• correction of incisor position during the mixed dentition stage
• control of jaw growth
• prevention of crowding and dental trauma
• improvement of smile aesthetics and facial profile already in childhood

👉 Outcome: simpler, faster treatment and no aggressive interventions in the future.

That’s why it is crucial to understand:
❓ when to start
❓ which appliances to choose
❓ where the line lies between observation and active treatment

🎓 All of this is covered in the course
“Early Orthodontic Treatment: When and How?”

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When ceramics don’t “cover,” but bring the tooth to life ✨🦷

In the photo — a showcase case of ceramic veneers:
not just a change of color, but work with optics, shape, and depth.

🔍 What matters here:
• proper surface preparation
• thickness control — without overload or “chalky” effect
• precise color reproduction and translucency
• correct bonding protocol — the key to longevity

👉 Result: natural aesthetics, where veneers are indistinguishable from natural teeth.

Predictable success is built from these details.
Not from “secret materials,” but from clear protocols.

🎓 All of this — in the course
“Ceramic Veneers: the most demanded protocols in one place”
🦷 Training that will transform your approach to non‑surgical retreatment of root canals.
A hands‑on course with Dr. Yoshi Terauchi — your chance to master his exclusive protocols, safely remove broken instruments, and manage complications with confidence.

📌 Two intensive days of theory and practice:
🔹 Advanced diagnostics and treatment planning
🔹 Effective techniques for gutta‑percha and biofilm removal
🔹 Predictable strategies to bypass ledges
🔹 Innovative obturation methods using MTA

🚀 Learn directly from one of the world’s leading experts and elevate the quality and predictability of your endodontic treatments

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Maxillary lateral incisor agenesis is not about “what to do,” but when and how 🦷✨

This case illustrates a classic orthodontic dilemma:
Should the space be closed, or should it be opened for implant placement?

🔹 Space closure
Chosen when:
— sufficient arch width
— canines with harmonious shape and color
— the possibility to achieve stable functional occlusion
➡️ Maximum biology, minimal invasiveness

🔹 Space opening + implant placement
Preferred when:
— maxillary constriction is present
— significant tooth-size discrepancy
— esthetics cannot be achieved without prosthetic support
➡️ Precise planning makes all the difference

⚠️ The key factor is timing of the decision.
A wrong choice at the start means years of compromise at the finish.

That is why early orthodontic treatment is not an option, but a strategy.
📚 In the course “Early Orthodontic Treatment: When and How?”
we focus on clinical algorithms, decision-making criteria, and orthodontic thinking — not templates

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Even after perfectly executed orthodontic treatment, esthetic outcomes may remain unstable. 😌
Why?

❌ Loss of balance between white and pink aesthetics
❌ Lateral incisors fail to adequately support the soft tissues
❌ Flat or incorrect emergence profile

In this case, the solution was to act decisively without unnecessary complexity 👇
🔹 Laser gingivectomy
🔹 Direct composite veneering of the lateral incisors
🔹 Creation of a new emergence profile

The result?
✔️ Soft tissues adapt and follow the new contours
✔️ Harmonized white and pink aesthetics
✔️ Minimal invasiveness with maximum esthetic impact

⚠️ Key point:
Without well-defined protocols, even technically flawless work lacks long-term predictability.

Course
“Ceramic Veneers: the most demanded protocols in one place”

Practical clinical algorithms, margin and soft-tissue management, planning, and execution without compromise.
For clinicians who value precision, predictability, and full control of the final outcome

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The biggest mistake in orthodontics?
Treating teeth, ignoring the joint. It leads to relapse.

Here's the fix.
The TMJ-first approach by orthodontic pioneer Dr. Kazumi Ikeda.

You'll get:
Clear protocols, CBCT/MRI guides, disc management.
30 years of expertise in one course.

The outcome:
Stable occlusion, happy patients, zero compromises.

Change your game

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Comprehensive All-on-X is not just a protocol - it is a way of thinking 🧠🔥

Full-arch rehabilitation on implants is always a combination of decisions:
▫️ digital smile planning
▫️ soft tissue management
▫️ understanding biomechanics
▫️ a conscious choice of the number of implants
▫️ accurate photogrammetry

This All-on-X approuch is the focus of the cours by Mark Bishara - from planning to stable soft tissues and predictable final results

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Stop guessing in mucogingival surgery.

This is your complete guide to predictable root coverage and soft tissue aesthetics.

Learn Prof. Anton Sculean’s proven protocols for:
→ Treating gingival recessions.
→ Managing tissue around implants.
→ Mastering the connective tissue graft.
→ Applying hyaluronic acid effectively.

Transform your surgical approach with clear, step-by-step techniques

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🦷 Pathological tooth wear — treated with proven methods
🚀 From classical prosthodontic protocols to the Index Technique and Kois approach.
✨ A course that gives you practical tools and confidence in treatment

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🦷 Updated B.O.P.T. protocols
🚀 Clinical and laboratory approaches for predictable functional and aesthetic outcomes.
✨ Online course designed for the prosthodontist–technician team

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Ready to master All-on-X, not just in theory but in live surgery?

Ever wish you could look over the shoulder of a world-class implantologist during a full All-on-X procedure? Now you can.

This is your exclusive chairside pass to observe renowned expert Dr. Mark Bishara perform a live All-on-X surgery from start to finish. Witness every critical step in real time:
→ Surgical technique under deep sedation.
→ Digital conversion using photogrammetry.
→ 3D printing and prosthesis design.
→ Final delivery and adjustments.

This isn’t just a course—it’s a live mentorship.

Gain actionable insights, ask questions in real-time, and transform how you approach full-arch rehabilitation. Whether you're advancing your skills or integrating All-on-X into your practice, this is the immersive experience that bridges the gap between knowledge and execution.

See the full workflow. Learn from the best. Elevate your practice

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Master predictable, aesthetic outcomes in periodontal surgery. This is the definitive course by Professor Anton Sculean, distilled into one essential resource.

Go beyond the basics and gain a systematic approach to:
▪️ Key anatomical foundations for predictable healing.
▪️ Proven protocols for treating single and multiple recessions.
▪️ Advanced techniques for soft tissue augmentation around teeth and implants.
▪️ Step-by-step mastery of the connective tissue graft and its modifications.

You will learn the exact methods, including palatal harvesting, coronal advanced flap techniques, and the application of hyaluronic acid.

This is your roadmap to surgical confidence and superior results

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