Effect of speech therapy treatment before orthognathic surgery to improve the muscles of the lips, tongue and cheeks, breathing, chewing, swallowing and speech

Effectiveness of speech therapy in the preoperative phase of orthognathic surgery

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

REBEC

Registry ID

RBR-6tkt5xm

Enrollment

Registered

2026-02-23

Start date

2025-04-01

Completion date

Unknown

Last updated

2026-03-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dentofacial deformities

Interventions

This is a pilot study of a two-arm, blinded, randomized controlled clinical trial. The experimental group: 5 individuals will receive speech-language therapy before and after orthognathic surgery. The

Eligibility

Sex/Gender

Female

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: Men and women between the ages of 18 and 50 who will undergo maxillary and/or mandibular osteotomy for dentofacial correction; Individuals who do not have skin conditions and/or who can discontinue the use of facial acids and who have not used Roaccutane in the last 6 months; Individuals who are not currently using facial acid treatments; Individuals without craniofacial anomalies; Without cognitive deficits; Who are not allergic to the elastic bandage material

Exclusion criteria

Exclusion criteria: Patients undergoing physical therapy during the postoperative period; Patients who experienced surgical complications and required special care; Patients who were unable to participate in all stages of the study

Design outcomes

Primary

Measure	Time frame
It is expected that the pre-operative group will see greater improvement in orofacial structures (mobility and tone of lips, tongue, and cheeks) and in stomatognathic functions such as breathing, chewing, swallowing, speech, and range of mandibular movements	—

Secondary

Measure	Time frame
Greater improvement is expected in the preoperative group for issues such as facial edema;Greater improvement is expected in the preoperative group for issues such as pressure;Greater improvement is expected in the preoperative group for issues such as paresthesia;Greater improvement is expected in the preoperative group for issues such as Mallampati ;Greater improvement is expected in the preoperative group for issues such as facial expression	—

Measure

Time frame

Greater improvement is expected in the preoperative group for issues such as facial edema;Greater improvement is expected in the preoperative group for issues such as pressure;Greater improvement is expected in the preoperative group for issues such as paresthesia;Greater improvement is expected in the preoperative group for issues such as Mallampati ;Greater improvement is expected in the preoperative group for issues such as facial expression

—

Countries

Brazil

Contacts

Public ContactMariafra da Silva

Centro de Ciencias da Saúde

mariafra_mar@yahoo.com.br+55 (84) 98820-3048

Outcome results

None listed

Source: REBEC (via WHO ICTRP) · Data processed: Mar 14, 2026