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Intraoral Scanners are devices used in dentistry to capture digital images of the inside of the mouth. These images are an alternative to traditional dental impressions.
Introduction
editIntraoral Scanners are devices used in dentistry which create digital scans of the teeth and soft tissue anatomy.[1]. These devices replace the use of dental putty impressions by using a light source and image sensors to record the tissues inside the mouth accurately and create a virtual alternative to traditional impression plaster models[1]
Background
editDental Impressions are the first step for creating a dental prosthesis. The most common material used for traditional impressions is polyvinyl siloxane, however this material has a poor smell and odour which makes it not favourable for patient or dentist alike.[2] Intraoral scanners have been introduced into dentistry to make the impression process less uncomfortable to the patient.[2]
Function
editIntraoral scanners are placed into the mouth and emit a laser or light source which hits the teeth and surrounding tissues, this light is then captured by image sensors and using point clouds, a 3D digital model is made.[1]
Use
editIntraoral Scanners are of high use in CAD/CAM dental use. This is where a computer system can design and mill dental prosthetic framework, such as a crown or bridge, from a digital model.[3][4]
As these scanners record images of the teeth, they can be used to identify the correct shade for a dental crown.[5]
Benefits and Limitations
editThese devices improve time-management as they show the image in real time[1][3]. They are also quicker than plaster impressions and more comfortable to the dental patient.[1][2]
Intraoral scanners have shown to be beneficial to patients suffering from a large gap-reflex which prevents traditional plaster impressions from being taken.[3].
Due to the ‘impressions’ being digital, it means there is no risk of them breaking in transit in comparison with traditional models where they frequently break.[3]
The scanners create a 3D digital scan replicating the intraoral cavity.[4][2]
They can detect dental caries, erosion and issues with the periodontium.[4]
Some research has found that digital impressions using intraoral scanners may not be as accurate as traditional plaster impressions[6][7]
References
edit- ^ a b c d e Mangano, Francesco; Gandolfi, Andrea; Luongo, Giuseppe; Logozzo, Silvia (2017-12-12). "Intraoral scanners in dentistry: a review of the current literature". BMC Oral Health. 17 (1): 149. doi:10.1186/s12903-017-0442-x. ISSN 1472-6831. PMC 5727697. PMID 29233132.
- ^ a b c d Siqueira, Rafael; Galli, Matthew; Chen, Zhaozhao; Mendonça, Gustavo; Meirelles, Luiz; Wang, Hom-Lay; Chan, Hsun-Liang (2021-12-01). "Intraoral scanning reduces procedure time and improves patient comfort in fixed prosthodontics and implant dentistry: a systematic review". Clinical Oral Investigations. 25 (12): 6517–6531. doi:10.1007/s00784-021-04157-3. ISSN 1436-3771. PMC 8475874. PMID 34568955.
- ^ a b c d Kihara, Hidemichi; Hatakeyama, Wataru; Komine, Futoshi; Takafuji, Kyoko; Takahashi, Toshiyuki; Yokota, Jun; Oriso, Kenta; Kondo, Hisatomo (2020-04-01). "Accuracy and practicality of intraoral scanner in dentistry: A literature review". Journal of Prosthodontic Research. 64 (2): 109–113. doi:10.1016/j.jpor.2019.07.010. ISSN 1883-1958. PMID 31474576.
- ^ a b c Angelone, Francesca; Ponsiglione, Alfonso Maria; Ricciardi, Carlo; Cesarelli, Giuseppe; Sansone, Mario; Amato, Francesco (2023-07-03). "Diagnostic Applications of Intraoral Scanners: A Systematic Review". Journal of Imaging. 9 (7): 134. doi:10.3390/jimaging9070134. ISSN 2313-433X. PMC 10381333. PMID 37504811.
- ^ Akl, Mohammed A.; Mansour, Dina E.; Zheng, Fengyuan (March 2023). "The Role of Intraoral Scanners in the Shade Matching Process: A Systematic Review". Journal of Prosthodontics. 32 (3): 196–203. doi:10.1111/jopr.13576. ISSN 1059-941X. PMID 35919949.
- ^ Giachetti, Luca; Sarti, Chiara; Cinelli, Francesca; Russo, Daniele (March 2020). "Accuracy of Digital Impressions in Fixed Prosthodontics: A Systematic Review of Clinical Studies". The International Journal of Prosthodontics. 33 (2): 192–201. doi:10.11607/ijp.6468. PMID 32069344.
- ^ Rasaie, Vanya; Abduo, Jaafar; Hashemi, Saloumeh (July 2021). "Accuracy of Intraoral Scanners for Recording the Denture Bearing Areas: A Systematic Review". Journal of Prosthodontics. 30 (6): 520–539. doi:10.1111/jopr.13345. hdl:11343/298575. ISSN 1059-941X. PMID 33554361.
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