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effect of two superstructure materials on crestal bone loss

The effect of two superstructure materials on the crestal bone loss of implant supported restorations (Randomized Clinical Trial)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
PACTR
Registry ID
PACTR201611001338358
Enrollment
20
Registered
2015-11-03
Start date
2015-10-01
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

Oral Health crestal bone loss, patient satisfaction, peri-implant tissue success

Interventions

all ceramic superstructures
resin nanoceramic superstructures

Sponsors

Dr. Gihan el naggar
Lead Sponsor
Dr. Zayad Rabie
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Patients > 18 yrs. 2.Patients with missing teeth in the maxillary premolar region. 3.Absence of any pathological condition in the recipient site. 4.Stabilization phase will be performed including: ¿Scaling. ¿Debridement. ¿Elimination of all carious cavities and root canal treatment if needed. ¿Elimination of overhanging restorations. 5.Systemic condition of the subjects was evaluated according to dental modification of the Cornell medical index (Kerr and Millard 1966). 6.Patients who are cooperative, motivated, and hygiene conscious. 7.Patients should have adequate ridge width (>5mm).

Exclusion criteria

Exclusion criteria: 1.Patients unable to undergo minor surgical procedure. 2.Patients with history of drug abuse or catabolic drugs. 3.Patients with history of psychiatric disorder. 4.Patients with insufficient bone. 5.Patients with insufficient vertical inter-arch space, upon centric occlusion, to accommodate the available restorative components. 6.Patients with any systemic condition that may contraindicate implant therapy. 7.Patients that may have any habits that may jeopardize the osseointegration process, such as heavy smoking and alcoholism. 8.Patients with para-functional habits that produce overload on the implant such as bruxism and clenching.

Design outcomes

Primary

MeasureTime frame
crestal bone loss

Secondary

MeasureTime frame
Implant stability;Patient satisfaction;soft tissue parameters

Countries

Egypt

Contacts

Public ContactZiad Rabie
ziadhassanm@gmail.com01200003325

Outcome results

None listed

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