Korean J Orthod.  2021 May;51(3):217-227. 10.4041/kjod.2021.51.3.217.

Nonsurgical maxillary expansion in a 60-year-old patient with gingival recession and crowding

  • 1Department of Orthodontics, Institute of Craniofacial Deformity, Yonsei University College of Dentistry, Seoul, Korea
  • 2Postgraduate Orthodontic Program, Arizona School of Dentistry & Oral Health, A. T. Still University, Mesa, AZ, USA


Maxillary transverse deficiency often manifests as a posterior crossbite or edgeto-edge bite and anterior crowding. However, arbitrary arch expansion in mature patients has been considered to be challenging due to the possible periodontal adverse effects such as alveolar bone dehiscence and gingival recession. To overcome these limitations, nonsurgical maxillary expansion of the basal bone has been demonstrated in young adults. However, the age range for successful orthopedic expansion has remained a topic of debate, possibly due to the underlying individual variations in suture maturity. This case report illustrates nonsurgical, miniscrew-assisted rapid palatal expansion (MARPE) in a 60-yearold patient with maxillary transverse deficiency accompanied by anterior and posterior crossbites, crowding, and gingival recession. The use of MARPE allowed relief of crowding and correction of the crossbite without causing significant periodontal adverse effects.


Nonsurgical palatal expansion; Miniscrew-assisted rapid palatal expansion; Adult treatment; Gingival recession
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