Assessment of skeletal stability of intraoral vertical ramus osteotomy with one-day maxilla-mandibular fixation followed by early jaw exercise

Author(s): Ohba S, Tasaki H, Tobita T, Minamizato T, Kawasaki T, et al.


Purpose: Intraoral vertical ramus osteotomy (IVRO) is an effective surgical technique for cases of mandibular setback, is simpler and has a lower incidence of mental paraesthesia when compared to sagittal split ramus osteotomy (SSRO). However, IVRO has a disadvantage in the prolonged duration of postoperative maxillary-mandibular fixation (MMF) required due to the absence of rigid bone fixation. To avoid an extended MMF period, we developed a postoperative management protocol for our IVRO patients, using jaw exercises with elastic bands starting on the second day after surgery.

Methods: We evaluated the cephalometric skeletal and dental stabilities of 16 IVRO patients as they followed our protocol.

Results: The stabilities were confirmed and were similar to those of previous reports.

Conclusion: One-day MMF and early initiation of jaw exercise after IVRO did not affect the jaw position stability. Moreover, our findings suggest that starting jaw exercise earlier after IVRO surgery is beneficial, as it allows patients to avoid a long period of rigid MMF so that they can resume their normal daily activities sooner.

Similar Articles

Three-year stability of open-bite correction by 1-piece maxillary osteotomy

Author(s): Espeland L, Dowling PA, Mobarak KA, Stenvik A

Long-term stability of anterior open-bite closure with bilateral sagittal split osteotomy

Author(s): Fontes AM, Joondeph DR, Bloomquist DS, Greenlee GM, Wallen TR, et al.

Temporomandibular disorders and orthognathic surgery

Author(s): Cascone P, di Paolo C, Leonardi R, Pedullà E

Changes in temporomandibular joint dysfunction after orthognathic surgery

Author(s): Wolford LM, Reiche-Fischel O, Mehra P

The skeletal stability after maxillo-mandibular osteotomy with a “physiological positioning strategy”

Author(s): Ohba S, Nakao N, Nakatani Y, Kawasaki T, Minamizato T, et al.

Root resorption associated with orthodontic tooth movement: a systematic review

Author(s): Weltman B, Vig KW, Fields HW, Shanker S, Kaizar EE

Root damage and repair in patients with temporary skeletal anchorage devices

Author(s): Ahmed VKS, Rooban T, Krishnaswamy NR, Mani K, Kalladka G

Gummy smile and facial profile correction using miniscrew anchorage

Author(s): Kaku M, Kojima S, Sumi H, Koseki H, Abedini S, et al.

Multiloop edgewise archwire in the treatment of a patient with an anterior open bite and a long face

Author(s): Ribeiro GL, Regis S Jr, da Cunha Tde M, Sabatoski MA, Guariza-Filho O, et al.