Implant Stability Changes for a Single Implant Mandibular Overdenture

Objectives To compare the changes in implant stability for the nonsubmerged and submerged protocols for a single-implant retained mandibular overdenture using Cendres and Metaux Locator attachment throughout a 24-month follow-up. Materials and Methods Eighty edentulous patients who were seeking to install a single implant in the midline of the completely edentulous mandible. At the day of implant installation, patients were randomized into two groups using sealed envelopes: the nonsubmerged and submerged groups. After 3 months of healing period, randomization using sealed envelopes was performed and patients were randomized to receive the Cendres and Metaux Locator attachment. The periotest readings were recorded using the Periotest M device, every 3 months for the first year and annually in the second year. The scope of this clinical trial focused only on results of the Cendres and Metaux attachment. Statistical Analysis The Mann–Whitney U-test was used for comparison between study groups for independent samples. Two-sided p-values less than 0.05 were considered statistically significant. Results There was no statistically significant difference between the mean periotest readings of both groups throughout the 24-month follow-up. Both groups showed an improvement in mean periotest readings with the submerged group tending to show greater stability at 6, 12, and 24-month follow-ups. Conclusions The nonsubmerged and the submerged healing protocols resulted in reliable periotest readings with the submerged group showing greater improvement than the nonsubmerged, although this improvement is nonsignificant when using the Cendres and Metaux attachment for a single mandibular overdenture.

Application of Immediate Loaded Mini Dental Implants for Retaining Mandibular Overdenture Prosthesis in Edentulous Patients: A Systematic Review

The aim was to systematically review the efficacy of immediate loaded mini dental implants (MDIs) to retain mandibular overdentures in regards to survival rates of MDIs, peri-implant clinical and radiographic tissue response and associated factors. A literature search of English literature was performed using Google Scholar, Scopus, Web of Science, MEDLINE (OVID), EMBASE, and PubMed using predetermined inclusion criteria. Specific terms were utilized in searching from the inception of the respective databases up to April 2021. The focused question was: Do immediate loaded MDIs supporting mandibular overdentures present favorable treatment options for prosthetic rehabilitation? The 11 articles included in the present review examined 349 patients (198 males + 171 females [66.65 ± 6.28 years]) in which 1190 MDIs were placed to retain mandibular overdentures. The mean follow-up duration was 24.5 months. The cumulative survival rate of MDIs was 97.3%. The mean scores of plaque index, gingival index, probing depth, and bleeding on probing ranged between 0–3, 0–3, and 1.203–1.76 respectively, whereas the mean marginal bone loss values ranged from 0.42 ± 0.56 mm to 1.26 ± 0.64 mm. The results identified that the application of immediate loaded MDIs to retain mandibular overdentures are a potential treatment modality for edentulous patients.

Evaluation of Oral Health Related Quality of Life in Different Telescopic Two-implant Supported Mandibular Overdenture

AIM: The purpose of the study was to evaluate patient’s oral health related quality of life using oral health impact profile (OHIP14) in rigid and non-rigid telescopic two-implant supported mandibular overdenture patients. METHODS: Twelve completely edentulous patients received two mandibular interforaminal implants to retain telescopic overdenture opposed by maxillary complete denture. Group I (six patients) had rigid telescopic connection and Group II (six patients) received non-rigid telescopic attachments. OHIP14 questionnaire was translated in Arabic and orally asked the patients, answers were collected soon after denture insertion and use (within 1 week), 6 and 12 months after using the overdenture to assess patient’s quality of life. RESULTS: There was no statistical significant difference regarding quality of life using OHIP14 questionnair between the two groups. CONCLUSION: Telescopic two-implant mandibular overdenture showed high quality of life, great satisfaction, and acceptance among patients; regardless to the type of attachments rigid or non-rigid.