Edentulous Maxilla

Metal-reinforced denture without palatal coverage incorporating nylon rings retained by friction to Locator abutments fitted on top of dental implants

Denture supported by 3 dental implants

Tannlege Arild Mo

Maxillary 3-implant Removable Prostheses Without Palatal Coverage on Locator Abutments

Maxillary 3-implant Removable Prostheses Without Palatal Coverage on Locator Abutments - a Prospective Cohort Study

The radiographic examination will comprise periapical radiographs or an orthopantomogram. The clinical examination include a basic periodontal examination with the use of an UNC-15 (University of North Carolina) manual periodontal probe. Outcomes measured will be presence or absence of peri-implant suppuration or fistula, the modified plaque and sulcus bleeding indices) and the probing depths.

The removable prosthesis will be examined for any technical flaws. Adverse technical events include loss of retention, or fracture and/or chipping of the removable prosthesis. Adverse mechanical events include loosening of the male attachment or fracture of an implant. The stability of all implants will be assessed, and any sign of mobility along with pain and discomfort will be interpreted as a definitive sign of implant failure.

Reference bone levels on the mesial and distal sides will be measured relative to baseline measurements made at the time of delivery of denture

A self-reported Denture Satisfaction Scale questionnaire (Allen et al. 2001).

The short form version of the Oral Health Impact Profile questionnaire (OHIP-20) (Allen & Locker 2002).

University of Tromso

Ibuprofen (600 mg - Film-coated Tablets) 3x/day before the surgery. Duration : 5 days Amoxicilline Teva (500 mg - dispersible tablets) 3x/day before the surgery. Duration : 16 days

Edentulous Alveolar Ridge

Antibiotics will be prescribed 1 day before surgery and continued for 5 days. Three calibrated surgeons will place 4 NN or RN Roxolid tissue level implants. Two implants have to be placed in the ANT region (lateral or canine) and 2 implants in the POST region (as distal as possible). Angulated implant and placement of implant in the tuberosity region can be considered.

Implants-supported locators placement

Hospital University of Liège (CHU-Ulg)

University Hospital of Liege

Effectiveness of Removable Prosthesis Retained by 4 Implant-supported Locator-Attachments

Clinical Outcomes of a Cost-effective Implant Treatment in the Edentulous Upper Maxilla: Effectiveness of Removable Prosthesis Retained by 4 Implant-supported Locator-Attachments.

At each follow-up visit (3 months, 6 months, 1 year, 2 years, 3 years, 4 years and 5 years), a clinical exam including plaque assessment, bleeding on probing and mucosal palpation will be done. A CBCT scan will be done directly after surgery and at one year post-surgery. Specifically, the integration will be considered successful if the following parameters are met: (1) absence of recurring peri-implant infection with suppuration; (2) absence of persistent subjective complaints such as pain, foreign body sensation, and/or dysesthesia; (3) absence of a continuous radiolucency around the implant; and (4) absence of any detectable implant mobility. Marginal bone levels will be measured using CBCT radiograph at baseline and 1, 3 and 5 years follow-up, using the implant neck as reference point and calibrating them using Image J64. Marginal bone remodeling will be calculated accordingly. CBCT radiographs will be taken using the bisector technique.

At each follow-up visit (3 months, 6 months, 1 year, 2 years, 3 years, 4 years and 5 years), the proper adaptation of the prosthesis, the retention of attachments and the mastication aptitude will be verified. A fracture of the Locator attachments will be considered as a prosthodontics failure and will directly influence the prosthodontics success rates. The possible prosthodontics complications, such as base fracture, attachment loss (unscrewing, or discementation) and loss of retention, will be recorded as prosthodontics complications and managed appropriately.

The OHIP-20 and patient satisfaction questionnaires as described in the 'patient examination' section will be also submitted to the patients before at 3, 6 and 12 months after the connection of the removable prosthesis to the Locator attachments. Thereafter, the patients will receive these questionnaires annually.

peri-implantitis/nicotine

Maxillary 3-implant Removable Prostheses Without Palatal Coverage on Locator Abutments

Effectiveness of Removable Prosthesis Retained by 4 Implant-supported Locator-Attachments

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