Status:

COMPLETED

Mandibular Overdentures Retained by Conventional or Mini Implants

Lead Sponsor:

University of Sao Paulo

Collaborating Sponsors:

Fundação de Amparo à Pesquisa do Estado de São Paulo

Conditions:

Edentulous Mouth

Edentulous Jaw

Eligibility:

All Genders

45+ years

Phase:

NA

Brief Summary

This study aims to compare mandibular overdentures retained either by mini or standard size implants as a treatment for edentulous adults, in terms of patient-reported satisfaction and oral health-rel...

Eligibility Criteria

Inclusion

  • Complete edentulism;
  • Request of implant stabilization of the existing lower conventional denture;
  • Clinically acceptable maxillary and mandibular complete dentures;
  • Adequate space in the anterior mandible for the placement of four mini implants and two conventional implants (regular diameter);
  • Ability to maintain adequate oral hygiene and clean dentures;
  • Systemic health status that permits minor surgical procedures;
  • Adequate understanding of written and spoken Portuguese;
  • Capacity of giving written informed consent.

Exclusion

  • Lack of minimum vertical mandibular bone height of 11mm in the interforaminal region;
  • Acute or chronic symptoms of parafunctional disorders;
  • History of radiation therapy to the orofacial region;
  • Specific conditions that may jeopardize the treatment, i.e. alcoholism and smoking;
  • Severe/serious illness that requires frequent hospitalization;
  • Impaired cognitive function;
  • Impossibility to return for evaluations/study recalls.

Key Trial Info

Start Date :

September 1 2011

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 1 2017

Estimated Enrollment :

120 Patients enrolled

Trial Details

Trial ID

NCT01411683

Start Date

September 1 2011

End Date

April 1 2017

Last Update

April 17 2017

Active Locations (1)

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Ribeirão Preto Dental School

Ribeirão Preto, São Paulo, Brazil, 14040-904