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Related papers: From Mesh Completion to AI Designed Crown

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Designing a synthetic crown is a time-consuming, inconsistent, and labor-intensive process. In this work, we present a fully automatic method that not only learns human design dental crowns, but also improves the consistency, functionality,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Golriz Hosseinimanesh , Farnoosh Ghadiri , Ammar Alsheghri , Ying Zhang , Julia Keren , Farida Cheriet , Francois Guibault

We present ToothCraft, a diffusion-based model for the contextual generation of tooth crowns, trained on artificially created incomplete teeth. Building upon recent advancements in conditioned diffusion models for 3D shapes, we developed a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Dávid Pukanec , Tibor Kubík , Michal Španěl

Dental crown restoration is one of the most common treatment modalities for tooth defect, where personalized dental crown design is critical. While computer-aided design (CAD) systems have notably enhanced the efficiency of dental crown…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Linda Wei , Chang Liu , Wenran Zhang , Yuxuan Hu , Ruiyang Li , Feng Qi , Changyao Tian , Ke Wang , Yuanyuan Wang , Shaoting Zhang , Dimitris Metaxas , Hongsheng Li

Dental crowns are essential dental treatments for restoring damaged or missing teeth of patients. Recent design approaches of dental crowns are carried out using commercial dental design software. Once a scan of a preparation is uploaded to…

Computational Engineering, Finance, and Science · Computer Science 2025-07-31 Ammar Alsheghri , Ying Zhang , Farnoosh Ghadiri , Julia Keren , Farida Cheriet , Francois Guibault

Digital crown design remains a labor-intensive bottleneck in restorative dentistry. We present CrownGen, a generative framework that automates patient-customized crown design using a denoising diffusion model on a novel tooth-level point…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Juyoung Bae , Moo Hyun Son , Jiale Peng , Wanting Qu , Wener Chen , Zelin Qiu , Kaixin Li , Xiaojuan Chen , Yifan Lin , Hao Chen

Computer vision has advanced significantly that many discriminative approaches such as object recognition are now widely used in real applications. We present another exciting development that utilizes generative models for the mass…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Jyh-Jing Hwang , Sergei Azernikov , Alexei A. Efros , Stella X. Yu

The design of restorative dental crowns from intraoral scans is labor-intensive for dental technicians. To address this challenge, we propose a novel voxel-based framework for automated dental crown design (VBCD). The VBCD framework…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Linda Wei , Chang Liu , Wenran Zhang , Zengji Zhang , Shaoting Zhang , Hongsheng Li

Partial dental point clouds often suffer from large missing regions caused by occlusion and limited scanning views, which bias encoder-only global features and force decoders to hallucinate structures. We propose a retrieval-augmented…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Jianan Sun , Yukang Huang , Dongzhihan Wang , Mingyu Fan

A critical step in virtual dental treatment planning is to accurately delineate all tooth-bone structures from CBCT with high fidelity and accurate anatomical information. Previous studies have established several methods for CBCT…

The task of point cloud completion aims to predict the missing part for an incomplete 3D shape. A widely used strategy is to generate a complete point cloud from the incomplete one. However, the unordered nature of point clouds will degrade…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu

Single-unit crown restoration is among the most common procedures in clinical dentistry, with CAD/CAM workflows now designing crowns directly from intraoral scans. Partial scans are often preferred over full-arch scans for single-unit cases…

Automated construction of surface geometries of cardiac structures from volumetric medical images is important for a number of clinical applications. While deep-learning-based approaches have demonstrated promising reconstruction precision,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-15 Fanwei Kong , Nathan Wilson , Shawn C. Shadden

3D intraoral scan mesh is widely used in digital dentistry diagnosis, segmenting 3D intraoral scan mesh is a critical preliminary task. Numerous approaches have been devised for precise tooth segmentation. Currently, the deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Shufan Xi , Zexian Liu , Junlin Chang , Hongyu Wu , Xiaogang Wang , Aimin Hao

Point cloud completion concerns to predict missing part for incomplete 3D shapes. A common strategy is to generate complete shape according to incomplete input. However, unordered nature of point clouds will degrade generation of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Xin Wen , Peng Xiang , Zhizhong Han , Yan-Pei Cao , Pengfei Wan , Wen Zheng , Yu-Shen Liu

The goal of this work is to propose a robust, fast, and fully automatic method for personalized cranial defect reconstruction and implant modeling. We propose a two-step deep learning-based method using a modified U-Net architecture to…

Image and Video Processing · Electrical Eng. & Systems 2022-04-14 Marek Wodzinski , Mateusz Daniol , Miroslaw Socha , Daria Hemmerling , Maciej Stanuch , Andrzej Skalski

We are interested in reconstructing the mesh representation of object surfaces from point clouds. Surface reconstruction is a prerequisite for downstream applications such as rendering, collision avoidance for planning, animation, etc.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Minghua Liu , Xiaoshuai Zhang , Hao Su

Point cloud completion aims to recover missing geometric structures from incomplete 3D scans, which often suffer from occlusions or limited sensor viewpoints. Existing methods typically assume fixed input/output densities or rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Da-Yeong Kim , Yeong-Jun Cho

Point cloud completion is a generation and estimation issue derived from the partial point clouds, which plays a vital role in the applications in 3D computer vision. The progress of deep learning (DL) has impressively improved the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Ben Fei , Weidong Yang , Wenming Chen , Zhijun Li , Yikang Li , Tao Ma , Xing Hu , Lipeng Ma

3D point cloud completion, the task of inferring the complete geometric shape from a partial point cloud, has been attracting attention in the community. For acquiring high-fidelity dense point clouds and avoiding uneven distribution,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Minghua Liu , Lu Sheng , Sheng Yang , Jing Shao , Shi-Min Hu

Tooth arrangement is an essential step in the digital orthodontic planning process. Existing learning-based methods use hidden teeth features to directly regress teeth motions, which couples target pose perception and motion regression. It…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Zhihui He , Chengyuan Wang , Shidong Yang , Li Chen , Yanheng Zhou , Shuo Wang
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