Comparison of maxillary anterior tooth movement between Invisalign and fixed appliances. 2023

Shaun J Murphy, and Sanghee Lee, and Joshua C Scharm, and Stella Kim, and Aya A Amin, and Tai-Hsien Wu, and Wei-En Lu, and Ai Ni, and Ching-Chang Ko, and Henry W Fields, and Toru Deguchi
Division of Orthodontics, College of Dentistry, Ohio State University, Columbus, Ohio.

BACKGROUND This research project aimed to compare the number of maxillary incisors and canine movement between Invisalign and fixed orthodontic appliances using artificial intelligence and identify any limitations of Invisalign. METHODS Sixty patients (Invisalign, n = 30; braces, n = 30) were randomly selected from the Ohio State University Graduate Orthodontic Clinic archive. Peer Assessment Rating (PAR) analysis was used to indicate the severity of the patients in both groups. To analyze the incisors and canine movement, specific landmarks were identified on incisors and canines using an artificial intelligence framework, two-stage mesh deep learning. Total average tooth movement in the maxilla and individual (incisors and canine) tooth movement in 6 directions (buccolingual, mesiodistal, vertical, tipping, torque, rotation) were then analyzed at a significance level of α = 0.05. RESULTS Based on the posttreatment Peer Assessment Rating scores, the quality of finished patients in both groups was similar. In maxillary incisors and canines, there was a significant difference in movement between Invisalign and conventional appliances for all 6 movement directions (P <0.05). The greatest differences were with rotation and tipping of the maxillary canine, along with incisor and canine torque. The smallest statistical differences observed for incisors and canines were crown translational tooth movement in the mesiodistal and buccolingual directions. CONCLUSIONS When comparing fixed orthodontic appliances to Invisalign, patients treated with fixed appliances were found to have significantly more maxillary tooth movement in all directions, especially with rotation and tipping of the maxillary canine.

UI MeSH Term Description Entries
D008437 Maxilla One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS. Maxillae,Maxillary Bone,Bone, Maxillary,Bones, Maxillary,Maxillary Bones,Maxillas
D009968 Orthodontic Appliances, Removable Dental devices such as RETAINERS, ORTHODONTIC used to improve gaps in teeth and structure of the jaws. These devices can be removed and reinserted at will. Clear Aligner Appliances,Clear Dental Braces,Invisalign,Aligner Appliance, Clear,Aligner Appliances, Clear,Appliance, Clear Aligner,Appliance, Removable Orthodontic,Appliances, Clear Aligner,Appliances, Removable Orthodontic,Brace, Clear Dental,Braces, Clear Dental,Clear Aligner Appliance,Clear Dental Brace,Dental Brace, Clear,Dental Braces, Clear,Orthodontic Appliance, Removable,Removable Orthodontic Appliance,Removable Orthodontic Appliances
D000077744 Orthodontic Appliances, Fixed ORTHODONTIC APPLIANCES attached to the teeth by adhesive material which cannot be removed from the mouth by the patient. These devices apply force to the teeth and supporting structures, thereby producing changes which control their growth and development. Bonded Retainer,Fixed Appliances,Fixed Functional Appliances,Fixed Retainer,Permanent Retainer,Appliance, Fixed,Appliance, Fixed Functional,Appliance, Fixed Orthodontic,Appliances, Fixed,Appliances, Fixed Functional,Appliances, Fixed Orthodontic,Bonded Retainers,Fixed Appliance,Fixed Functional Appliance,Fixed Orthodontic Appliance,Fixed Orthodontic Appliances,Fixed Retainers,Functional Appliance, Fixed,Functional Appliances, Fixed,Orthodontic Appliance, Fixed,Permanent Retainers,Retainer, Bonded,Retainer, Fixed,Retainer, Permanent,Retainers, Bonded,Retainers, Fixed,Retainers, Permanent
D001185 Artificial Intelligence Theory and development of COMPUTER SYSTEMS which perform tasks that normally require human intelligence. Such tasks may include speech recognition, LEARNING; VISUAL PERCEPTION; MATHEMATICAL COMPUTING; reasoning, PROBLEM SOLVING, DECISION-MAKING, and translation of language. AI (Artificial Intelligence),Computer Reasoning,Computer Vision Systems,Knowledge Acquisition (Computer),Knowledge Representation (Computer),Machine Intelligence,Computational Intelligence,Acquisition, Knowledge (Computer),Computer Vision System,Intelligence, Artificial,Intelligence, Computational,Intelligence, Machine,Knowledge Representations (Computer),Reasoning, Computer,Representation, Knowledge (Computer),System, Computer Vision,Systems, Computer Vision,Vision System, Computer,Vision Systems, Computer
D014087 Tooth Movement Techniques Orthodontic techniques used to correct the malposition of a tooth or teeth. Tooth Depression,Tooth Intrusion,Tooth Movement, Minor,Tooth Uprighting,Orthodontic Tooth Movement,Depression, Tooth,Depressions, Tooth,Intrusion, Tooth,Intrusions, Tooth,Minor Tooth Movement,Minor Tooth Movements,Movement Technique, Tooth,Movement Techniques, Tooth,Movement, Orthodontic Tooth,Movements, Orthodontic Tooth,Orthodontic Tooth Movements,Technique, Tooth Movement,Techniques, Tooth Movement,Tooth Depressions,Tooth Intrusions,Tooth Movement Technique,Tooth Movement, Orthodontic,Tooth Movements, Minor,Tooth Movements, Orthodontic,Tooth Uprightings,Uprighting, Tooth,Uprightings, Tooth
D016910 Orthodontic Brackets Small metal or ceramic attachments used to fasten an arch wire. These attachments are soldered or welded to an orthodontic band or cemented directly onto the teeth. Bowles brackets, edgewise brackets, multiphase brackets, ribbon arch brackets, twin-wire brackets, and universal brackets are all types of orthodontic brackets. Dental Braces,Orthodontic Braces,Brace, Dental,Brace, Orthodontic,Braces, Dental,Braces, Orthodontic,Bracket, Orthodontic,Brackets, Orthodontic,Dental Brace,Orthodontic Brace,Orthodontic Bracket

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