3D Occlusal Vertical Dimension Reproduction for Denture Fabrication
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Solution Overview
Problem
Conventional denture fabrication processes are cumbersome and inconvenient for both patients and operators due to manual adjustments and multiple visits required for determining the occlusal vertical dimension, heavily relying on operator skill and experience.
Innovation Solution
An occlusal vertical dimension reproduction method using three-dimensional data to accurately calculate and reproduce the occlusal vertical dimension by aligning and calculating the positional relationship between edentulous jaw, denture, and occlusion shape information, minimizing direct scanning and visits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional manual denture fabrication process is used, then operator can adjust occlusal vertical dimension through experience and skill, but the process requires multiple visits and is cumbersome for both patient and operator
Solution Approach 1:
The patent performs preliminary scanning and 3D modeling of the patient's jaw and existing denture before fabrication. By pre-determining the occlusal vertical dimension through digital alignment and calculation, the necessary measurements and adjustments are made in advance, eliminating the need for multiple trial fittings and reducing the number of patient visits required.
Solution Approach 2:
The patent creates a digital 3D copy of the patient's edentulous jaw and existing denture structure. This virtual model allows for precise measurement and determination of occlusal vertical dimension without physical manipulation, enabling accurate planning before actual fabrication and reducing iterative adjustments during patient visits.
2Manufacturing precision
If manual wax rim denture fabrication is used, then artificial teeth can be arranged in appropriate position and direction, but the degree of completion is greatly influenced by operator experience and skill
Solution Approach 1:
The patent replaces manual mechanical arrangement of artificial teeth on wax rims with automated 3D digital modeling and positioning systems. The computer-controlled alignment and calculation of occlusal relationships eliminate dependence on operator manual skill and experience, providing consistent precise results regardless of operator expertise level.
Solution Approach 2:
The patent transforms the manual process of adjusting tooth position and occlusion into automated digital parameter calculations. By using 3D coordinates, spatial relationships, and computational algorithms to determine optimal tooth arrangement, the system converts subjective operator judgment into objective measurable parameters, improving precision and reducing skill dependency.
3Reliability
If multiple trial fittings of wax rim denture are performed, then occlusion state can be checked and adjusted, but the process is cumbersome and requires patient to visit dentist several times
Solution Approach 1:
The patent performs preliminary 3D scanning, modeling, and virtual verification of occlusion relationships before actual denture fabrication. By pre-calculating and validating the occlusal vertical dimension and tooth arrangement in the digital domain, the system ensures occlusion reliability is established beforehand, eliminating the need for multiple trial fittings and patient visits.
Solution Approach 2:
The patent creates virtual copies of the jaw, denture, and occlusion relationships to simulate and verify occlusion state digitally. This virtual verification process allows comprehensive checking and adjustment of occlusion parameters without physical trial fittings, maintaining reliability while significantly improving patient convenience by reducing clinic visits.
Data Source
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AI summary
The present invention relates to an occlusal vertical dimension reproduction method for denture fabrication and, more specifically, to an occlusal vertical dimension reproduction method for denture fabrication, wherein three-dimensional scan data is used to calculate the occlusal vertical dimension required to denture fabrication. The occlusal vertical dimension reproduction method for denture fabrication according to the present invention has an advantage that the occlusal vertical dimension for effectively denture fabrication can be easily determined while minimizing the number of direct scans of the upper jaw and the lower jaw of a patient in an edentulous state or occlusal state to reproduce, in a virtual space, the occlusal state of the oral cavity of the patient wearing denture or denture structure. The occlusal vertical dimension reproduction method for denture fabrication according to the present invention has the effect of reducing inconvenience of a patient and operator during the process of denture fabrication compared to the prior art.