Facial Topographic Registration Device with Digital Copying
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Solution Overview
Problem
Existing registration devices for dental replacement struggle with maintaining adjusted settings during shipping, especially over long distances, which can lead to misadjustment and affect the accuracy of dental restorations.
Innovation Solution
A registration device that allows simultaneous registration of multiple facial topographic parameters, including the occlusal plane and Camper's plane, with adjustable indicators and a referencing system to ensure accurate and stable measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the registration device is adjusted and fixed during the registration procedure, then the geometric parameters of the mandible are frozen and the kinematics can be reproduced in detail, but the risk of misadjustment increases during shipping over increasing distances to centralized and remote dental labs
Solution Approach 1:
The patent creates a digital copy of the registration device settings through photogrammetric documentation. The adjusted registration device is photographed from multiple angles, and these images are processed to create a digital model containing all geometric parameters and settings. This digital copy can be transmitted electronically to the dental lab, eliminating the need to physically ship the adjusted device and thus preventing misadjustment during transit while preserving complete registration accuracy.
2Adaptability or versatility
If multiple facial topographic parameters are registered simultaneously including occlusal plane and Camper's plane, then comprehensive data for esthetic and functional assessment is obtained, but the device complexity increases
Solution Approach 1:
The patent integrates multiple registration functions into a single universal device structure. The registration device incorporates indicators and reference systems that can simultaneously capture occlusal plane orientation, Camper's plane orientation, and mandibular condyle positions. This multi-functional integration allows comprehensive facial topographic parameter registration without requiring multiple separate devices, thereby managing complexity while maximizing versatility.
Data Source
AI summary
A registration device for the registration of facial topographic parameters is disclosed. The device comprises a base member, wherein the base member comprises a transverse section. The transverse section, in a central section thereof, comprises a coupling for rotationally immobile coupling to a referencing member. The base member further comprises two occlusal plane indicators extending in a posterior direction from the transverse section and is rotationally immobile connected to the transverse section. The occlusal plane indicators extend in a common plane. Two mandibular condyle indicator pointers are linked to the base member in a mobile linkage relationship allowing displacement of each mandibular condyle indicator pointer relative to the base member in a respective sagittal plane. A tragus indicator is pivotably coupled to each mandibular condyle indicator pointer. A method for using said device is further disclosed.