Patient SatisfactionNCT07120256
Different Attachment Systems in Mandibular Single Implant Overdenture
A study testing locator attachment and ball and socket attachment in people with Patient Satisfaction and Edentulous Mandible, run by Cairo University at 1 site in Egypt.
Trial summary
to compare locator attachment to ball attachment in retaining mandibular single implant overdenture in terms of patient satisfaction and retention Read more about this study
- Who is it for?
- Ages 55 years and older
- Conditions the study is for
- Patient Satisfaction, Edentulous Mandible
- What is being tested?
- locator attachment and ball and socket attachment
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 40 participants
- Where
- 1 siteEgypt
- Study dates
- 10 Jan 2021to 12 Jul 2025
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 55 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Completely edentulous patient
- Patients having enough bone for an implant length of at least 10 mm
- Sufficient inter-arch space to accommodate the denture \& the attachment
- No apparent Skeletal mal-relation
- No intraoral soft and hard tissue pathology
- No systemic condition that contraindicate implant placement
Who cannot join
- Drug or alcohol abuse
- Smokers
- A health condition precluding surgery,
- Logistic or physical reasons that could affect follow-up,
- Psychiatric problems
- Medically compromised patients \& those with neuromascular disorders
- Disorders to the implant area related to a history of radiation therapy to the head and neck, neoplasia, or bone augmentation to the implant site.
Trial locations and contacts
1 site in 1 country.
About this study
to compare locator attachment to ball attachment in retaining mandibular single implant overdenture in terms of patient satisfaction and retention
- Conditions
- Patient Satisfaction, Edentulous Mandible
- Being tested
- locator attachment, ball and socket attachment
- Medical subject headings
- Patient Satisfaction
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
locator attachmentOther
mandibular single implant overdenture retained by locator attachment
ball and socket attachmentOther
mandibular single implant overdenture retained by ball and socket attachment
| Study group | Role | What they receive |
|---|---|---|
| ball and socket attachment | Active comparator | mandibular single implant overdenture retained by ball and socket attachment Receives: Other: ball and socket attachment |
| locator attachment | Experimental | mandibular single implant overdenture retained by locator attachment Receives: Other: locator attachment |
What is being measured
The primary outcome is the main question the study is designed to answer.
patient satisfaction
Patient satisfaction will be measured using a valid and reliable questionnaire which is Patient satisfaction with lower removable denture questionnaire SLRD-Q. likert scale ranges from very good (1) to good (2), neither good nor bad (3), bad (4), and extremely bad (5)
Measured: baseline, 1month, 6 months, 1 and 3 years
Secondary outcomes (1)
Retention
Measuring device: Force meter Measuring unit: Newton/cm2
Measured: baseline, 1 month, 3 and 6 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted13 Aug 2025
- Study start10 Jan 2021
- Primary completion12 Jul 2025
- Study completion12 Jul 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Patient SatisfactionStudies of the same condition, open and under way.
- More trials run by Cairo UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 40 participants (actual)
Sponsor and investigators
- Lead sponsor
- Cairo University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Arwa Sedky Abd El-lateef, Cairo University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07120256
- Sponsor's protocol ID
- single implant overdenture
- Status last verified
- Aug 2025
- First submitted
- 31 Jul 2025
- Last updated
- 13 Aug 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 13 Aug 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Different Attachment Systems in Mandibular Single Implant Overdenture
- ClinicalTrials.gov ID
- NCT07120256
- Acronym / sponsor ID
- single implant overdenture
- Conditions
- Patient Satisfaction, Edentulous Mandible
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 40 participants (actual)
- Lead sponsor
- Cairo UniversityUniversity, hospital or other
- Study start
- 10 Jan 2021 (actual)
- Primary completion
- 12 Jul 2025 (actual)
- Study completion
- 12 Jul 2025 (actual)
- First posted
- 13 Aug 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
to compare locator attachment to ball attachment in retaining mandibular single implant overdenture in terms of patient satisfaction and retention
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| ball and socket attachment | Active comparator | Other: ball and socket attachmentmandibular single implant overdenture retained by ball and socket attachment |
| locator attachment | Experimental | Other: locator attachmentmandibular single implant overdenture retained by locator attachment |
Who may qualify
- Ages
- 55 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- Completely edentulous patient
- Patients having enough bone for an implant length of at least 10 mm
- Sufficient inter-arch space to accommodate the denture \& the attachment
- No apparent Skeletal mal-relation
- No intraoral soft and hard tissue pathology
Key exclusion criteria (7 listed)
- Drug or alcohol abuse
- Smokers
- A health condition precluding surgery,
- Logistic or physical reasons that could affect follow-up,
- Psychiatric problems
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| locator attachmentmandibular single implant overdenture retained by locator attachment | Other | locator attachment |
| ball and socket attachmentmandibular single implant overdenture retained by ball and socket attachment | Other | ball and socket attachment |
Primary outcome
patient satisfaction
Time frame: baseline, 1month, 6 months, 1 and 3 years
Patient satisfaction will be measured using a valid and reliable questionnaire which is Patient satisfaction with lower removable denture questionnaire SLRD-Q. likert scale ranges from very good (1) to good (2), neither good nor bad (3), bad (4), and extremely bad (5)
1 secondary outcome
Retention
Time frame: baseline, 1 month, 3 and 6 months
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 13 Aug 2025.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing locator attachment and ball and socket attachment in people with Patient Satisfaction and Edentulous Mandible, run by Cairo University at 1 site in Egypt.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 13 Aug 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Egypt. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
patient satisfaction (time frame: baseline, 1month, 6 months, 1 and 3 years). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 13 Aug 2025.