3D Printed Custom Metal Framework With Wax Rim China Dental Lab
3D Printed Custom Metal Framework with Wax Rim China Dental Lab
The Metal Framework is fabricated from biocompatible metals such as cobalt - chromium alloy and titanium alloy. It serves as the primary load - bearing structure of the denture.
It is shaped through casting or 3D - printing technology. Covering the surface of the alveolar ridge, it provides stability and distributes the occlusal forces evenly.
The Wax Rim is a wax - based structure attached to the Metal Framework. It is used to simulate the occlusal surface of the denture (the contact relationship between the upper and lower teeth).
During the prosthodontic process, adjustments are made to the Wax Rim in terms of vertical dimension, horizontal relationship, and midline position. This ensures the functionality and aesthetics of the final prosthesis.
| UPS, FedEx, DHL, etc. | |
| 5 years | |
| 2 days in lab |
I. Preliminary Impression and Model Preparation
1.Impression Materials:
Use silicone or polyether (high precision) for final impressions. For edentulous patients, employ a mucosa-supported tray; for partially edentulous patients, perform gingival retraction.
2.Model Requirements:
Pour with die stone. Analyze alveolar ridge height, mucosal thickness, and remaining tooth conditions (to determine clasp types).
II. Metal Framework Design
1.Design Principles:
Avoid clasp placement on teeth with excessive undercuts (<=0.5mm). Use reciprocal resistance for force distribution.
Cover the alveolar ridge crest and slopes with the baseplate; extend edges to the mucosal turning points. Buffer thin ridges.
2.Material Selection:
Cobalt-chromium alloy (high strength) or titanium alloy (superior biocompatibility).
III. Wax Rim Fabrication and Adjustment
1.Wax Rim Material: Baseplate wax (melting point ~60℃), thickness 2–3mm.
2.Occlusal Registration:
Facebow transfer + vertical dimension (using rest position or phonetic method) + horizontal relationship (using Gothic arch tracing or direct bite registration).
3.Adjustment Focus:
Vertical dimension (facial proportions, joint comfort), horizontal relationship (midline, overjet/overbite), and aesthetics (smile line).
IV. Final Prosthesis Fabrication
1.Artificial Tooth Selection: Acrylic (cost-effective) or ceramic (aesthetic and wear-resistant).
2.Fabrication Techniques: Casting (traditional) or digital milling/3D printing (precision).
3.Try-In and Completion:
Polish baseplate edges, adjust occlusion for even contact, and instruct patients on cleaning and storage.
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