West China Journal of Stomatology ›› 2022, Vol. 40 ›› Issue (3): 264-270.doi: 10.7518/hxkq.2022.03.003

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Experts’ consensus on space management of mixed dentition

Guo Weihua1(), Wang Jun2, Chen Xu3, Wang Xiaojing4, Zhao Wei5, Song Guangtai6, Wu Li’an4, Jiang Beizhan7, Zhang Qiong1, Wang Jun8, Li Yu8, Zhao Ning9, Tan Jiali10, Li Huang11, Shu Rui1, Zhou Chenchen1, Fu Lei12, Chen Xuepeng13, Zou Jing1()   

  1. 1.State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
    2.Dept. of Pediatric Dentistry, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine & College of Stomatology, Shanghai Jiao Tong University, National Clinical Research Center for Oral Diseases & Shanghai Key Laboratory of Stomatology, Shanghai 200011, China
    3.Dept. of Pediatric Dentistry, School and Hospital of Stomatology, China Medical University & Liaoning Province Key Laboratory of Oral Disease, Shenyang 110002, China
    4.Dept. of Pediatric Dentistry, School of Stomatology, The Fourth Military Medical University, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Provincial Clinical Research Center for Oral Diseases, Xi’an 710032, China
    5.Dept. of Pediatric Dentistry, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
    6.Dept. of Pediatric Dentistry, School and Hospital of Stomatology, Wuhan University & State Key Laboratory Breeding Base of Basic Science of Stomatology, Hubei Province & Key Laboratory of Oral Biomedicine (Wuhan University), Ministry of Education, Wuhan 430000, China
    7.Dept. of Pediatric Dentistry, The Affiliated Stomatology Hospital of Tongji University, Shanghai 200010, China
    8.State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
    9.Dept. of Orthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine & College of Stomatology, Shanghai Jiao Tong University, National Clinical Research Center for Oral Diseases & Shanghai Key Laboratory of Stomatology, Shanghai 200011, China
    10.Dept. of Orthodontics, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
    11.Dept. of Orthodontics, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing 210008, China
    12.Dept. of Stomatology, The First Hospital of Nanchang, Nanchang 330008, China
    13.Dept. of Orthodontics, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine & Clinical Research Center for Oral Diseases of Zhejiang Provincial & Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China
  • Received:2022-03-07 Revised:2022-04-28 Online:2022-06-01 Published:2022-06-01
  • Contact: Zou Jing E-mail:guoweihua943019@163.com;zoujing@scu.edu.cn

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Abstract:

The mixed dentition stage is the period between primary and permanent dentition. The following biological processes are complicated and variable: jaw growth, development of inherited permanent teeth embryo, physiological absorption of primary teeth, restoration of surrounding alveolar bones, and growth and function establishment of soft tissues. For the normal development of the jaw, the establishment of the good occlusion relationship, development, and function of soft tissue is very important, whether or not the primary teeth are normally replaced by the permanent teeth in the mixed dentition stage. The eruption space is linked to the normal replacement of primary and permanent teeth. The presence of a mixed dentition space results in the incidence and progression of malocclusion and impacts the normal growth and development of the occlusion, jaw, and face. Space management in the mixed dentition stage is a crucial means to prevent and reduce malocclusion. The following were discussed and analyzed: the possible space problems, why the size of the space was affected, the content that needs to be assessed, and the methods of space management in the mixed dentition that can be used to unify and standardize the management of mixed dentition. This paper was developed to serve as a guide for regulated space management during the mixed dentition period.

Key words: mixed dentition, malocclusion, space management, early treatment, expert consensus

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