K08.0 K08.88
Conditions
Interventions
Group 1: Arm 1: patients with a posterior tooth gap receive an adhesive two unit fixed dental prosthesis, the neighboring tooth is prepared in a minimally invasive manner followed by a digital impress
Sponsors
Uniklinik RWTH Aachen, Klinik für Zahnärztliche Prothetik und Biomaterialien
Eligibility
Sex/Gender
All
Age
18 Years to 90 Years
Inclusion criteria
Inclusion criteria: - tooth gap size of a premolar with loss of a premolar / molar and an adjacent intact first molar / premolar - adjacent teeth caries-free / maximally mesially / occlusally / distally filled - Cusps of the abutment teeth intact - API <35% - Contralateral fixed dentures - Closed row of teeth in the opposite jaw (antagonist present) - Sufficient dentures in the remaining dentition - Periodontally healthy adjacent teeth with at least 2/3 bone level, pocket depth = 4mm, degree of loosening = 1
Exclusion criteria
Exclusion criteria: - Apical radiolucency of the adjacent tooth - periodontitis - pregnancy - Root canal treated at adjacent tooth - Large buccal and oral fillings on the abutment tooth - Bruxoff index> 2 - Parafunction - drug consumption
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Follow-up examination after 1, 3 and 5 years, Long term probation (Kaplan Meier), technical and biological complication, patient satisfaction (OHIP) | — |
Secondary
| Measure | Time frame |
|---|---|
| The following findings are made: • Gingiva index (SL) • Plaque index • Pocket Probing depth • Bleeding on probing (BOP) at four locations on the abutment teeth • Periotest | — |
Countries
Germany
Contacts
Public ContactAnne Rittich
Uniklinik RWTH Aachen, Klinik für Zahnärztliche Prothetik
Outcome results
None listed