Ziad F AbuSidu

The "Comfort Zones": Mastering Anterior Implant Esthetics
Success in the anterior maxilla isn't just about osseointegration; it’s about predictable esthetics. Following the landmark principles of Buser, Martin, and Belser, achieving a natural result requires a Restoration-Driven approach.

The 3D Positioning Blueprint
To avoid common pitfalls like gingival recession or "short" crowns, your implant must live within the Comfort Zones:

Vertical (Apicocoronal): Position the platform 3–4 mm apical to the future mucosal zenith. This allows for a proper emergence profile and stable biologic width.

Buccolingual (Orofacial): Maintain at least 1.5–2 mm of facial bone wall. Position the implant slightly palatal to the emergence curve of adjacent teeth.

Mesiodistal: Keep a minimum of 1.5 mm from adjacent roots. This preserves the interproximal bone crest—the "scaffold" for your papilla.

Risk Assessment First
Before the first incision, evaluate the "Esthetic Risk":

Gingival Biotype: Thin biotypes are high-risk; they are less forgiving and prone to recession.

Smile Line: A high smile line leaves zero room for error.

Bone Anatomy: If the facial wall is

https://youtu.be/YytVyXMjh8Y
المحاضرة الثانية من سلسلة basic fixed prosthodontics
أتمنى لكم مشاهدة ممتعة ..

lecture 2 .ziadfayez .AyaHammad

Do it , let the patient smile again 🥹
is

A 70-year-old female patient presented with a chief complaint of nocturnal bruxism and severe generalized tooth wear affecting both anterior and posterior dentition, seeking full-mouth rehabilitation. Clinical examination revealed advanced attrition and loss of vertical dimension of occlusion.

Diagnostic impressions, centric relation records, and a facebow transfer were obtained. A diagnostic wax-up of the anterior teeth was performed to increase the vertical dimension and create adequate restorative space, following a reorganized occlusal approach. An index was fabricated from the wax-up and transferred intraorally as a mock-up to evaluate esthetics, function, and posterior clearance.

After necessary adjustments, the provisional restorations were maintained for two weeks to verify patient adaptation to the increased vertical dimension. Subsequently, posterior teeth were prepared, and since the opposing maxillary posterior restorations were already satisfactory, treatment was limited to the mandibular posterior region.

Following placement of definitive posterior restorations, a stable vertical dimension was achieved both anteriorly and posteriorly, with provisional restorations anteriorly and definitive restorations posteriorly. The final phase involved replacing the anterior provisionals with definitive restorations in both arches. A night guard was delivered, and the patient was scheduled for follow-up.

this case Done in Dr. Maha clinic .dhsn

هذه الطبعات لبعض طلابي في جامعة كومار ..
أفتخر بهم وللعلم بالنسبة للفك العلوي .. هذا بالضبط شكل الحنك 👌

Prosthodontics pearls

If a finish line is not clearly visible clinically, the digital scanner will not be able to accurately register it, as scanning accuracy is inherently limited by what can be optically detected.

My new post .. about PEEK material
.everyday

‏When Long-Span Bridges Aren’t the Best Option

‏In this panoramic radiograph, we can see a treatment plan involving a bridge spanning from the wisdom tooth to the first premolar. However, the distance is too long for a stable and functional bridge.

‏Why Is This a Concern?
‏A long-span bridge may not provide sufficient support, especially when the abutments (the supporting teeth) are not ideal. The increased distance can lead to instability, potential failure, and difficulty achieving proper occlusion. This can compromise both the function and longevity of the bridge.

‏What Are the Best Treatment Options?
‏ 1. Dental Implants: Implants are often the most reliable solution for long spans, offering direct support without stressing adjacent teeth.
‏ 2. Partial Dentures: In cases where implants are not possible, a partial denture can restore missing teeth effectively without relying on a bridge.

In this case I cut the bridge at the distal end of first premolar with polishing the surface (polished metal) and put 3 implants to replace the 3 teeth .
After that we extracted lower 8

‏Always consult with a prosthodontist to determine the best treatment based on your individual needs and dental health!

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