The Effect of Cantilever Length in Posterior Implant Position on the Accuracy of Static Computer-Assisted Implant Surgery

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20220217005

Enrollment

Registered

2022-02-17

Start date

2022-03-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Patients who require implant placement at posterior region either as a single implant with mesial and distal neighboring teeth or at least two adjacent implants placed in the distal free-end partially edentulous area. Accuracy, Cantilever length, Computer-assisted implant surgery, Dental implants, Distal free-end

Interventions

Implant placement in the posterior region adjacent to the mesial neighboring tooth,Implant placement in the posterior region with one-tooth space from the mesial neighboring tooth,Implant placement in

Treatment,Treatment,Treatment

1-unit cantilever ,2-unit cantilever ,Control

Eligibility

Sex/Gender

All

Age

20 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patients aged 20 years and over. 2. Requiring implant placement in the posterior region, either as a single implant with mesial and distal neighboring teeth or at least two adjacent implants placed in the distal free-end partially edentulous area 3. Healthy patients with no uncontrolled systemic disease unsuitable for implantation 4. Patients with good oral hygiene and a healthy periodontium 5. Patients must have a mouth opening distance of at least 40 mm.

Exclusion criteria

Exclusion criteria: 1. Patients who have less than 3 months period after tooth extraction 2. Heavy smoker ( more than 10 cigarettes/day) 3. Patients with history of radiation in head and neck region or taking bisphosphonate drugs 4. Files cannot be superimposed due to lack of anatomical landmark or quality of image 5. Unsuitable anatomic conditions for sufficient support and stabilization of template

Design outcomes

Primary

Measure	Time frame
Deviations in implant position 1-2 weeks angular and 3D linear measurement using coDiagnostiX software	—

Secondary

Measure	Time frame
Cantilever length 1-2 weeks a perpendicular distance from cementoenamel junction of the mesial neighboring tooth to the center of the actual implant position placed using coDiagnostiX software	—

Countries

Thailand

Contacts

Public ContactNarit Leepong

Prince of Songkla University

narit.l@psu.ac.th0818382803

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026