Dr Ahmed I. Fetian

Concervative emax overlay with lingual extension to restore a lingual fracture related to a previous white amlagam.

Occlusal anatomical reduction
Aproximal step with sweeping slopes
Lanai radial shoulder
Acurate taper for the whole prep design

Biomimetic restorative dentistry, taught, applied and propagated by
Done at
Scanned by I700

ANOTHER FULL MOUTH DELIVERED

A charismatic fine Iraqi gentleman flew all the way from the to our clinic to have his smile, bite problems, and confidence fixed.

With deep understanding of the fundamentals of prosthodontic wirkflow , digital technology and great lab support ; such wonder took place in a matter of a forthnite.

Done at
Scanned by HI0 by
Lab work by
Photographed by 2000D

5 DAYS WONDER IN

A case of smile/arch rehab that was done under5 days.

A lovely young fine lady came all the way fron saudi arabia to have a new smile overhaul

With a fine mix of precise gingival contouring, connected crowns removal and replacment , and occlusal managment , the patient turned out super happy and satisfied



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A case of bilaminar layering technique with a wide starbrust enamel bevel for composite aethstic integration

The patient is a lovely 12 girl who slipped by the swimming pool and fractured her tooth 6 months ago with a history of a failed composite restoration.

Acordding to IADT , the case is calssified enamel/ dentin uncomplicated crown fracture.

Endo ice testing showed diminshed sensibilty(

✨ Case Highlight: Restoring Posterior Teeth with Monolithic Zirconia Crowns ✨
Here we have a beautifully executed restoration for teeth 44, 45, and 46 — all treated with monolithic zirconia crowns, designed to provide both outstanding strength and natural esthetics. These crowns offer a seamless blend of durability and functional precision, making them an ideal choice for posterior teeth where both load-bearing capacity and long-term wear resistance are crucial.
🔹 Treatment Focus:
Conservative horizontal preparation: A minimal reduction approach to preserve as much natural tooth structure as possible.
Monolithic Zirconia Material: The perfect choice for posterior restorations due to its incredible strength, wear resistance, and natural translucency.
Occlusal Harmony: Custom-crafted to ensure perfect fit and optimal bite alignment.
🔹 Why Monolithic Zirconia? Monolithic zirconia is one of the most trusted materials in modern restorative dentistry, especially for posterior crowns. Its inherent strength ensures it can withstand the heavy forces from chewing and grinding without compromising on esthetics. The uniform structure also eliminates the need for layering, ensuring consistent color and translucency across the entire restoration.
🔹 The Result:
Natural Look & Feel: The crowns blend flawlessly with the natural dentition, offering both a comfortable fit and a polished, lifelike appearance.
Long-Term Durability: With proper care, these crowns will perform beautifully for years, keeping the patient’s smile functional and strong.
Swipe to see the meticulous design and precision that went into these posterior restorations! 👀

A CASE OF MINI QUAD REHAB WITH MONLITHIC MILLED ZIRCONIA CROWNS

THE PATIENT HAD A CONCERN FOR THE LONGEVITY OF HIS ENDO TREATED TEETH AND A PROBLEM WITH GINGIVAL EMBRASURES THAT KEEP "TRAPPING FOOD"

WITH THE ASSESEMNT OF THE PERIDONTAL ARCHITECTURE IT WAS FOUND THAT ALTHOUGH HEALTHY, THE PATIENT SUFFERS FROM GINGIVAL EMBRASURES THAT ARE LARGER DUE TO AGE RELATED RECEDING BONE AND GUMM

VERICAL PREP WAS THE APPROACH USED HERE TO PRESERVE AS MUCH DENTAL HARD TISSUES AS POSSIBLE

SACNNED BY MEDIT I700 BY

DONE AT

Restoring a severely mutilated maxillary molar ( #26) using a modern biomimetic overlay concept—where preservation, adhesion, and biomechanics drive every decision 🦷

Instead of traditional full-coverage reduction, the treatment followed contemporary overlay preparation principles aimed at reinforcing the remaining tooth structure while controlling stress distribution.

🔬 Clinical & design highlights:

▪️ Selective caries removal endpoints
Infected dentin was removed while affected dentin was preserved when appropriate, maintaining pulpal vitality and maximizing substrate quality for bonding.

▪️ Immediate Dentin Sealing (IDS)
Freshly cut dentin was sealed immediately after preparation to improve bond strength, reduce post-operative sensitivity, and protect the dentin–pulp complex throughout the indirect workflow.

▪️ Modern overlay preparation design
– No traditional ferrule or circumferential axial reduction
– Rounded internal line angles to reduce stress concentration
– Cuspal coverage only where structurally indicated
– Butt-joint enamel margins for predictable enamel bonding
– Supragingival margins whenever possible for better isolation and long-term maintenance
– Occlusal reduction guided by functional demand, not arbitrary numbers

▪️ Dentin replacement phase
Lost dentin was biomimetically replaced using adhesive restorative materials to re-establish internal stiffness and act as a stress-absorbing foundation.

▪️ Enamel replacement via bonded overlay
The overlay functions as an enamel substitute, restoring occlusal anatomy, cusp support, and marginal seal while maintaining maximum remaining tooth structure.

The end goal was not just to restore shape—but to restore biomechanics, control crack propagation, and extend the life of a compromised tooth using adhesive principles rather than mechanical retention.

Special thanks to and brd_ for the exceptional learning opportunity

Yet another case,
A fine gentleman that had flown all the way from KSA had the chance to get complete smile glowup within a broaders full mouth rehabilitaion case in collaboration with .sa3id

The case what full of hurdles and set backs, with a limited time of 10 days, lots of endo retretment , occlusal plane disharmony, denta class II in the anterior reagion and gingival recountouring challange.

Nevertheless, the case was succefully managed. All thnaks to gad, hard work and proper diagnosis, excution and delivery

🦷 Overlay / Endocrown Hybrid – Tooth #46 🔬✨
A structurally compromised, endodontically treated lower first molar ( #46) restored using an overlay–endocrown hybrid approach — combining cuspal coverage with pulp chamber retention for optimal biomechanics and adhesion.
This case required a restorative strategy that balances macro-retention from the pulp chamber with adhesive bonding to remaining enamel and dentin, allowing us to avoid full-coverage crown preparation while reinforcing weakened cusps.
🧠 Key Preparation Principles:
🦠 Complete removal of compromised tissues
🔄 Rounded internal angles to minimize stress concentration
📐 Butt-joint margins for ceramic support
⬇️ Occlusal reduction respecting ceramic thickness
🧬 Utilization of the pulp chamber for retention (endocrown concept)
🌱 Maximum preservation of sound tooth structure
The hybrid design provides:
💎 Cuspal protection
🔗 Adhesive stabilization
🦷 Internal anchorage
⚡ Improved fracture resistance
A true example of biomimetic restorative dentistry — restoring strength while respecting biology.
Grateful for the advanced education and restorative concepts gained through , helping translate evidence-based dentistry into everyday clinical excellence. 🌟
🔬 Precision. Adhesion. Longevity.
📍Serving Greater Cairo
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🦷 ترميم هجين Overlay / Endocrown — الضرس رقم 46 🔬✨
ضرس سفلي أول معالج جذريًا ( #46) وكان يعاني من ضعف بنيوي، تم ترميمه باستخدام تقنية هجينة تجمع بين الـ Overlay والـ Endocrown لتحقيق أفضل توازن بين القوة والالتصاق الحيوي.
يعتمد هذا التصميم على الاستفادة من حجرة اللب كوسيلة تثبيت ميكانيكية مع الالتصاق بالمينا والعاج المتبقيين، مما يسمح بتجنب تحضير تاج كامل مع تدعيم الحدبات الضعيفة.
🧠 مبادئ التحضير الأساسية:
🦠 إزالة كاملة للأنسجة المتضررة
🔄 تدوير الزوايا الداخلية لتقليل تركّز الإجهاد
📐 حواف Butt-joint لدعم السيراميك
⬇️ خفض إطباقي مناسب لسُمك الخزف
🧬 استخدام حجرة اللب للتثبيت (مفهوم الـ Endocrown)
🌱 الحفاظ لأقصى درجة على بنية السن السليمة
يوفر هذا التصميم الهجين:
💎 حماية للحدبات
🔗 ثبات لاصق عالي
🦷 تثبيت داخلي
⚡ مقاومة أفضل للكسر
مثال حقيقي على طب الأسنان الحيوي Biomimetic Dentistry — استعادة القوة مع احترام بيولوجيا السن.
ممتن جدًا للتعليم المتقدم والمفاهيم الحديثة ا

🦷 Ceramic Overlay for Tooth #17 – A Biomechanical Approach 🔬
In this case, we tackled a large amalgam restoration on tooth #17, which had recurrent decay. The goal was to restore both form and function while maintaining maximal tooth structure preservation. 💪
Cavity Design Considerations:
Caries Removal 🦠: A complete debridement of the decayed amalgam and surrounding tissue was essential to eliminate residual bacterial contamination.
Internal Geometry 🔄: The cavity was carefully designed with rounded internal line angles to ensure stress distribution and prevent fracture initiation.
Conservative Tooth Reduction ✂️: Adequate reduction of the tooth structure was done while maintaining sufficient thickness for the ceramic overlay, ensuring optimal adhesive bonding.
Adhesive Bonding 🔗: After proper isolation, we used total-etch bonding for optimal adhesion between the ceramic material and tooth structure, ensuring longevity and functional stability.
Why Ceramic Overlays?
Strength & Durability 💎: Ceramic offers excellent wear resistance, esthetics, and biocompatibility.
Conservation of Tooth Structure 🌱: The overlay technique allows for conservative treatment, preventing the need for more invasive procedures like crowns.
This technique reflects the principles of biomimetic dentistry 🧬 — preserving as much of the natural tooth as possible while ensuring the restoration behaves as closely as possible to natural enamel.
Huge thanks to my training at for continuously updating my knowledge in evidence-based dentistry and biomimetic principles. 🌟
🔬 Precision, function, and aesthetics — that’s what I aim for with every restoration.