Biochemical and clinical assessments of segmental maxillary posterior tooth intrusion

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

TCTR

Registry ID

TCTR20170206006

Enrollment

Unknown

Registered

2017-02-06

Start date

2013-10-01

Completion date

Unknown

Last updated

2026-03-30

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

Conditions

Anterior open bite malocclusion

Interventions

posterior tooth intrusion group using 100g of force per site

Experimental Device

group&#45

of&#45

six

Eligibility

Sex/Gender

All

Age

15 Years to 30 Years

Inclusion criteria

Inclusion criteria: Thirty adult patients with skeletal open configuration and anterior open bite, who required orthodontic maxillary posterior tooth intrusion, were recruited. 1) good general health and oral health with a healthy periodontium, probing depth of 3 mm or less at all teeth and no radiographic evidence of bone loss; 2) absence of anti-inflammatory drug administration in the month preceding the study

Exclusion criteria

Exclusion criteria: 1) pregnancy (women); 2) liver disease; 3) previous experience of orthodontic treatment

Design outcomes

Primary

Measure	Time frame
Alveolar bone remodelling 2 months after loading force Raised of chondroitin sulphate level	—

Secondary

Measure	Time frame
Rate of tooth movement 32 months after loading force Distance	—

Countries

Thailand

Contacts

Public ContactJintana Tasanapanont

Faculty of dentistry, Chiang Mai University

pladent_@hotmail.com0841530352

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026