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Artificial Intelligence in Health                                 Dental cavity prediction with computer vision



            However, some of these bacteria have the potential to cause   model dedicated to the precise localized identification
            health problems, as they serve as a gateway to our digestive   of dental cavities within colored images. We recognize
            and respiratory systems.                           that the accurate identification of cavity locations is an
              The body’s own defense typically keeps these germs   indispensable initial step in streamlining the diagnostic
            in check, along with basic dental hygiene habits like   process. Achieving  this objective  will empower dental
            frequent brushing and flossing. However, without proper   professionals with a powerful tool that not only identifies
            oral hygiene, bacteria levels can rise and cause ailments   cavities but also provides their exact spatial coordinates.
            such as tooth decay and gum disease. Research indicates   Building upon the success of our initial objective, our
            that certain medical conditions may be impacted by oral   second  key  goal  is  to  introduce  a  methodology  for  the
            bacteria and the inflammation brought on by chronic gum   quantification of dental cavity areas within these localized
            disease, also known as periodontitis. Our oral health might   regions. Accurate area quantification is paramount in
            contribute to various diseases and conditions, including   assessing  the  severity  of  cavities  and  can  significantly
            endocarditis, cardiovascular disease, and pneumonia. 1  aid  in treatment  planning.  With  this objective,  we aim
              According to the Global Burden studies in 2019, dental   to automate and standardize the area measurement
            caries is the most common oral disease, affecting around   process, thereby enhancing the precision of dental health
            3.5 billion people, of whom 2 billion have permanent dental   assessments. Furthermore, it is noteworthy to establish a
            caries.  Moreover, 1.45 million of the 6 million patients   subtle connection between our current study’s objectives
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            with dental caries who visited dentists in the Republic of   and our prior research endeavors. In our earlier work, we
            Korea in 2020 were children (0 – 9 years old).  Therefore, it   endeavored to forecast dental cavities utilizing convolutional
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            is important to study tooth caries.                neural networks (CNNs). While that research focused
                                                               on predicting the occurrence of cavities, the objectives
              Caries  formation is  affected by  a  host of  preferential   of the current study extend beyond prediction. Here, we
            habits, systemic disorders, and congenital anomalies.   embark on the critical task of geospatial mapping them
            Incipient carious lesions are frequently overlooked   within images, quantifying their extent, and subsequently
            by patients. Dentists treat them conservatively using   facilitating a more comprehensive understanding of their
            techniques of minimally invasive dentistry. As a result,   impact on oral health. This intrinsic linkage between our
            there are many instances of misdiagnosis and poor care,   research pursuits underscores the holistic approach we
            particularly among young practitioners conducting visual   adopt in addressing the multifaceted challenges in dental
            and radiographic investigations. Caries mismanagement   cavity analysis, paving the way for a more comprehensive
            can be expensive and leave the patient exposed to future   and integrated solution.
            periapical, osseous, and fascial space spread of the infection.
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            These challenges are particularly noteworthy in areas with   In this study, we collected a dataset of colored images
            limited access to advanced dental facilities and trained   containing dental cavities and manually annotated this
            practitioners. Early detection and ongoing monitoring of   dataset using Roboflow annotation. We then trained the
            these problems are proposed in this article using a low-  “You Only Look Once” (YOLO) v5 model to detect and
            cost automated system that does not differentiate patients   locate dental cavities in these images using a bounding
            based on their sociodemographic status.            box. Once we identified the exact cavity area with a
                                                               bounding box, we used the coordinates of the bounding
              Since cellular technology has expanded globally, even   box to calculate the area of the cavity. Applying image
            to rural areas, the use of mobile portable devices like   segmentation on the cavity highlighted the cavity area, and
            smartphones  has  increased  exponentially  in  emerging   cavity masks were obtained from segmentation for further
            economies.  As a result, biomedical research can harness   analysis of the dental cavity shape.
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            functionality in smartphones to offer cost-effective
            solutions to challenging issues in oral treatment.  2. Literature review
              In this research endeavor, we define several core   In our prior research endeavor, entitled “Forecasting
            objectives, each serving as a pivotal milestone in our pursuit   teeth cavities by CNNs,” we conducted a comprehensive
            of advancing dental cavity analysis through computer   exploration into predicting dental cavities using CNNs.
            vision techniques. These objectives collectively constitute   The dataset in this previous investigation consisted of
            the foundation upon which our study is constructed,   X-ray images. To augment the dataset’s size and diversify its
            steering our research toward meaningful and innovative   content, we applied a series of sophisticated augmentation
            contributions to the field. Our first and foremost objective   techniques. To further enhance the accuracy and efficacy
            is to pioneer the development of a robust computer vision   of dental cavity prediction, we methodically incorporated


            Volume 1 Issue 3 (2024)                         81                               doi: 10.36922/aih.3184
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