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
🚀 Aligners beyond the basics — discover what they can and cannot do.
💎 Learn hybrid mechanics and predictable protocols from the #1 course in modern orthodontic biomechanics

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An unexpected 5.5-year follow-up 👀🦷

The patient wasn’t even scheduled for a check-up — and moments like these are especially valuable,
when the outcome speaks for itself.

🔹 Orthodontic extrusion
🔹 Vertical preparation
🔹 Zirconia crown

No compromises. No inflammation.
After 5.5 years — stable soft tissues, well-defined contours, and preserved biology.

And in moments like this, one thing becomes crystal clear:
👉 saving a tooth means working in harmony with biology, not against it.

VERTI PREP is not a trend or a technique used “case by case.”
It is a philosophy of precision — depth, axis, margin, and tissue response all matter.

This exact systematic approach is explored in depth in
“VERTI PREP Protocols: A Complete Guide in 24 Lessons” by Tomorrow Tooth —
where vertical preparation becomes controlled and predictable.

Sometimes the best result is not an immediate wow effect,
but biological calm years later.

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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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