Mini-Implants Retaining Removable Partial Dentures in Subjects without Posterior Teeth: A 5-Year Prospective Study Comparing the Maxilla and the Mandible

Čelebić, Asjâ; Kovačić, Ines; Petričević, Nikola; Puljic, Dario; Popovac, Aleksandra; Kiršić, Sanja Peršić

doi:10.3390/medicina59020237

Cited by 6 publications

(6 citation statements)

References 71 publications

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“…The results were statistically evaluated standard deviation and p value was calculated and data was statistically significant. As per studies the ideal ISQ score ranged from 56-83, the values in our study ranged in this range [15][16] . The ISQ score of patients that had two implants was 68.5±4.3, whereas the patients who went through 3 implants had ISQ score as 72.1±4.5.…”

Section: Discussionsupporting

confidence: 62%

Comparative Evaluation of Implants with Different Surface Treatments Placed in Human Edentulous Mandibles

Khan¹,

Shah²,

Sajjad³

et al. 2023

PJMHS

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Background: Dental implants have reorganized the field of renewing dentistry by providing a greatly successful and authentic surgery option for the patients with missing teeth. Surface characteristics of the implant are very vital for the success of the implant. This greatly affects the osseointegration and long term stability. Study design: It is a prospective study conducted at Lady Reading Hospital, MTI, Peshawar and Altamash Institute of Dental Medicine, Karachi for the duration of one year from December 2021 to November 2022. Material and Methods: The study was done on patients visiting the tertiary care unit for a period of one year. There were 12 male and 13 female patients that participated in the study. The average age of patients was 56 years in case of men and 53 years for women. The data of number of implants was also analyzed and 12 patients went for 2 implants and 13 patients opted for 3 implants. The study was approved by the review and ethical board committee of the hospital. Results: The ISQ score of the patients that had two implants was 68.5±4.3, whereas the patients who went through 3 implants had ISQ score as 72.1±4.5. Those who had molar region implanted had ISQ score 72.1±2.1, while premolar patients had ISQ score as 72.3±3.1. Acid itching group had ISQ score as 68.4±2.4, the LASER group had ISQ score as 73.4±2.4. Conclusion: After the comparison of different implant surfaces used in human edentulous mandibles treatment. It was concluded that the LASER+HA and LASER are the most effective method for implants. These methods accelerates the Osseointegration process. Keywords: Dental implants and edentulous mandibles.

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Section: Discussionsupporting

confidence: 62%

Comparative Evaluation of Implants with Different Surface Treatments Placed in Human Edentulous Mandibles

Khan¹,

Shah²,

Sajjad³

et al. 2023

PJMHS

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“…Even the insertion of only three MDIs in the mandible for complete OD retention showed very good outcomes in a five-year clinical study [15]. Insertion of two MDIs showed good survival rates and low amounts of marginal bone loss only when used for retention of removable partial dentures [16][17][18]. However, the clinical outcomes of only two MDIs retaining a complete mandibular OD are still doubtful [19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Influence of Implant Number on Peri-Implant and Posterior Edentulous Area Strains in Mandibular Overdentures Retained by the New Ti–Zr (Roxolid®) Mini-Implants as Single-Units: In Vitro Study

Puljic,

Celebic,

Kovacic

et al. 2024

Applied Sciences

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The new Ti–Zr (Roxolid®) mini-implants have not yet been fully researched. We analyzed peri-implant and posterior edentulous area microstrains during mandibular overdenture (OD) loading at different sites with different extents of forces when one-, two-, three-, or four- mini dental implants (MDIs) as single-units supported the respective ODs. The models were designed from cone beam computed tomography (CBCT) scans of an appropriate patient with narrow ridges. The mucosal thickness was 2 mm. Strain gauges were bonded on the vestibular and oral peri-implant sites, and in the distal edentulous area under the saddles. The loads were applied posteriorly bilaterally and unilaterally with 50, 100 and 150 N forces, and anteriorly with 50 and 100 N forces. Each loading was repeated 15 times. Statistical analysis included descriptive statistics, boxplots and the MANOVA. Higher forces induced higher peri-implant microstrains, as well as unilateral loadings, especially on the loaded side, in all models except the one-MDI model where anterior loads (100 N) elicited the highest peri-implant microstrain (1719.35 ± 76.0). The highest microstrains during unilateral posterior loading (right side) with 150 N force were registered from the right MDI in the two-MDI model (1836.64 ± 63.0). High microstrains were also recorded on the left side (1444.48 ± 54.6). By increasing the number of implants, peri-implant microstrains and those in the edentulous area decreased. In the three- and four-MDI models, higher microstrains were found in the posterior than in the anterior MDIs under posterior loadings. None of the recorded microstrains exceeded bone reparatory mechanisms, although precaution and additional research should be provided when only one or two MDIs support ODs.

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“…Our 5-year study revealed less bone loss in both groups (−0.33 ± 0.27 mm in the three-MDI group and −0.36 ± 0.74 in the four-MDI group). The lower amount of peri-implant vertical bone loss recorded in the present study can be attributed to the fact that bone loss in the submerged MDIs around the polished surface was considered as bone remodeling [15,17,19]. Only a decrease in the bone below the roughened, threaded surface was considered as bone loss.…”

Section: Discussionmentioning

confidence: 55%

“…The fixed-type MDIs have proved to be successful in the retention of crowns or short bridges in the mandibular incisor region [17]. Furthermore, the insertion of two or more MDIs for the retention of partial removable dentures was also confirmed as a successful treatment modality [18][19][20].…”

Section: Introductionmentioning

confidence: 96%

Clinical Outcomes of Three versus Four Mini-Implants Retaining Mandibular Overdenture: A 5-Year Randomized Clinical Trial

Celebic,

Kovacic,

Petricevic

et al. 2023

Medicina

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Background and Objectives: Due to a lack of long-term clinical studies that would clarify whether the insertion of three mini-implants (MDIs) can be as successful treatment as the insertion of four MDIs for the retention of mandibular overdentures (ODs), this 5-year prospective cohort study was set up. Materials and Methods: Participants (n = 83) randomly received either four or three MDIs and a mandibular OD. Clinical examinations were performed at the baseline, as well as after one, three, and five years, respectively. A total of 73 participants (38 in the four-MDI and 35 in the three-MDI groups) partook in the study. The marginal bone level change, success and survival rates, and prosthodontic maintenance were assessed. Results: Repeated measures showed that the mean peri-implant bone loss increased progressively at a small amount over five years in both groups (four-MDI group = −0.36 ± 0.74; three-MDI group = −0.33 ± 0.27 mm; p < 0.05). However, an ANCOVA revealed no significant effects of the group (no significant difference between the three- and the four-MDI groups; F = 0.085; p = 0.771), gender (F = 0.023; p = 0.88), or covariate age (F = 1.95; p = 0.167) on the dependent variable: the 5-year MBL change. The success rate (together with successful survival) was 93.8% in the four-MDI group and 91.7% in the three-MDI group. The log-rank (Mantel–Cox) test revealed no significant differences between them (X2 = 0.373; p = 0.541). Conclusions: In patients with narrow ridges, the insertion of three MDIs in the mandible for overdenture retention can be equally as successful as the insertion of four MDIs.

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Mini-Implants Retaining Removable Partial Dentures in Subjects without Posterior Teeth: A 5-Year Prospective Study Comparing the Maxilla and the Mandible

Cited by 6 publications

References 71 publications

Comparative Evaluation of Implants with Different Surface Treatments Placed in Human Edentulous Mandibles

Comparative Evaluation of Implants with Different Surface Treatments Placed in Human Edentulous Mandibles

Influence of Implant Number on Peri-Implant and Posterior Edentulous Area Strains in Mandibular Overdentures Retained by the New Ti–Zr (Roxolid®) Mini-Implants as Single-Units: In Vitro Study

Clinical Outcomes of Three versus Four Mini-Implants Retaining Mandibular Overdenture: A 5-Year Randomized Clinical Trial

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