NCT07304752

Effect of Probe Material on Peri-implant Probing

Effect of Probe Material (Metallic vs. Plastic) on Peri-implant Probing: a Randomized Clinical Trial.

• Status: Not Yet Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 64 (estimated)
• Sponsor: University of Barcelona · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

Evaluate whether the type of probe (plastic vs. metallic) modifies the accuracy of peri-implant probing in single-unit implants, by comparing the probing depth recorded with the prosthesis in place versus without the prosthesis (ΔPD, mm). Secondarily, explore the influence of prosthetic design and implant position on probing values and on other clinical and radiographic parameters.

Detailed description

Randomized clinical trial with two parallel groups. Eligible patients will be randomized (1:1 ratio) to one of two parallel treatment groups: Group 1 (Metal probe): Peri-implant probing performed with a UNC-15 metallic periodontal probe (HuFriedy PCPUNC156). Group 2 (Plastic probe): Peri-implant probing performed with a UNC-15 plastic periodontal probe (HuFriedy PCVO12PT). Primary objective: To evaluate whether the type of probe (plastic vs metallic) modifies the accuracy of peri-implant probing in single-unit implants, by comparing the probing depth recorded with the prosthesis in place versus without the prosthesis (ΔPS, mm). Secondary objectives: To explore the influence of prosthetic design (e.g., emergence profile, crown contour) and implant position on probing depth values and other clinical/radiographic parameters. To evaluate patient-reported discomfort during peri-implant probing, recorded using a 100-mm visual analogue scale (VAS). The study was designed in accordance with the international consensus on Implant Dentistry Core Outcome Set and Measurement (ID-COSM), published in the Journal of Clinical Periodontology in 2023. The protocol includes all applicable mandatory outcome domains recommended by this consensus for implant dentistry clinical trials.

Conditions

• Peri-implant Health
• Peri-implant Mucositis

Interventions

Type	Name	Description
DEVICE	Metallic UNC-15 periodontal probe	Probing performed at six sites per implant with the prosthesis in place and after prosthesis removal, under standardized force (0.20 N).
DEVICE	Plastic UNC-15 periodontal probe	Probing performed at six sites per implant with the prosthesis in place and after prosthesis removal, under standardized force (0.20 N).

Timeline

• Start date: 2025-12-01
• Primary completion: 2026-05-01
• Completion: 2026-05-01
• First posted: 2025-12-26
• Last updated: 2025-12-26