Induction of dentinal microcracks by root canal preparation procedures using formalin-fixated and freezed in-situ specimens - a micro-CT analysis

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00022127

Enrollment

Registered

2020-06-15

Start date

2021-04-28

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

Dentinal Microcracks

Interventions

Group 1: Root canal preparation with adequate apical pressure Group 2: Root canal preparation with excessive apical pressure

Eligibility

Sex/Gender

All

Age

40 Years to No maximum

Inclusion criteria

Inclusion criteria: • granted patient consent • in-situ-models with at least one intact single-rooted tooth • age of patient > 40 Jahre

Exclusion criteria

Exclusion criteria: • lack of patient consent • destroyed or root canal treated teeth

Design outcomes

Primary

Measure	Time frame
Quantitative assessment of dentinal microcracks induced by root canal preparation with adequate or excessive apical pressure	—

Secondary

Measure	Time frame
Quantitative assessment of dentinal microcracks induced by root canal preparation using formalin-fixated or freezed in-situ specimens	—

Countries

Germany

Contacts

Public ContactFranziska Haupt

Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie, Universitätsmedizin Göttingen

franziska.haupt@med.uni-goettingen.de05513922877

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026