Evaluation of Implant Overdenture Retention with Two Different Attachments at 23mm Standard Inter-Implant Distance

2020 ◽  
Author(s):  
Radwa Mohsen Kamal Emera
Keyword(s):  
Study Groups ◽  
Complete Dentures ◽  
Mean Values ◽  
Group I ◽  
Edentulous Mandible ◽  
Significant Difference ◽  
Baseline Evaluation ◽  
Implant Overdenture ◽  
Group Ii ◽  
Edentulous Patients

Purpose: Evaluation of implant overdenture retention at 23mm standard inter-implant distance using OT Equator and locator attachments. Materials and methods: Twelve completely edentulous patients were selected for this study. For all patients, conventional complete dentures were constructed. Mandibular dentures were replicated into stereolithographic implant placement guide using CBCT. Every participant received 2-implants in the anterior mandibular area with inter-implant distance of 23 mm. After the osseointegration period, the mandibular conventional dentures were converted into implant retained overdentures attached with Locator attachment for (group I) (six patients) and OT Equator attachments for (group II) (six patients). Retention was evaluated for conventional mandibular complete dentures (T0), 3-months (T3) and, 6-months (T6) after overdenture insertion using digital force-meter. Results: Results revealed that there was a statistically significant difference between the study groups representing mean retention force (P<0.05) except at T0 (baseline evaluation with conventional dentures) with higher mean values for group I (Locator attachment) than group II (OT Equator attachment). Conclusion: Regarding the limitations of this study: -Inter-implant distance of 23 mm for 2-implant overdentures could be considered a reliable modality for edentulous mandible. -Locator attachment may be preferable than OT Equator attachment regarding 2-implant overdenture retention at 23 mm inter-implant distance.

scholarly journals A Seven-year Follow-up Study of Patient Satisfaction with Three-implant-retained Mandibular Overdentures

2021 ◽  
Vol 9 (D) ◽  
pp. 103-107
Author(s):  
Hisham Samir ElGabry
Keyword(s):  
Long Term Results ◽  
Complete Dentures ◽  
Patients Satisfaction ◽  
Follow Up Study ◽  
Group I ◽  
Significant Difference ◽  
Male Patients ◽  
Group Ii ◽  
Anterior Mandible

PURPOSE: This study aimed to compare patients’ satisfaction with mandibular overdentures retained by three-splinted implants versus conventional complete denture wearers during a 7-year follow-up study period. MATERIALS AND METHODS: Thirty edentulous male patients (mean age: 60 years) were carefully selected and divided into two equal groups. All patients received a new set of complete dentures. Group I patients received three implants in the anterior mandible and were connected after 3 months with bars, clips, and loaded. Group II patients received conventional complete dentures. Patients’ satisfaction was recorded for both groups at 3 weeks (baseline) and after 1, 3, 5, and 7 years. Patients were then asked to grade their overdentures/dentures on a visual analog scale and written questionnaire to evaluate their overall satisfaction. RESULTS: Satisfaction scores of Group I patients were found to be statistically significantly higher than that of Group II patients (p < 0.05) at 3, 5, and 7 years follow-up, meanwhile, no statistically significant difference was found at baseline or after 12 months. CONCLUSION: The long-term results suggest that three-implant-retained mandibular overdenture with a clip-bar attachment appears to be a successful rehabilitation strategy which is superior to conventional dentures for patients with advanced ridge resorption.

scholarly journals Implant Stability Changes for a Single Implant Mandibular Overdenture

2021 ◽  
Author(s):  
Karim Fouda ◽  
Ahmed Fahmy ◽  
Khaled Aziz ◽  
Marwa Abdel Aal ◽  
Amr Naguib ◽  
...  
Keyword(s):  
Study Groups ◽  
First Year ◽  
Implant Stability ◽  
Edentulous Mandible ◽  
Significant Difference ◽  
Edentulous Patients ◽  
Mandibular Overdenture ◽  
To Receive ◽  
Single Implant

Abstract 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.

scholarly journals Retention force of zirconia bar retained implant overdenture: Clinical comparative study between PEEK and plastic clips.

2019 ◽  
Vol 9 (3) ◽  
pp. 92-98
Author(s):  
Radwa Mohsen Kamal Emera ◽  
Gilan Youssef Altonbary
Keyword(s):  
Comparative Study ◽  
Retention Force ◽  
Group I ◽  
Significant Difference ◽  
Poly Ether Ether Ketone ◽  
Cad Cam ◽  
Implant Overdenture ◽  
Insignificant Difference ◽  
Native Speakers Of English ◽  
Edentulous Patients

Aim: This study aimed to evaluate and compare retention force of two implants retained mandibular overdenture with zirconia bar using two different clip materials. Methodology: 20 completely edentulous patients (8 women and 12 men) with age ranged between 45 and 65 years were selected for this study. All patients received conventional maxillary and mandibular complete dentures. Two implants were inserted bilaterally in the mandibular canine region. CAD-CAM fabricated zirconia bar attachment was used to retain mandibular overdentures. Patients were randomly divided into two equal groups where poly-oxy-methylene (POM) clip was used for Group I and poly-ether-ether-ketone (PEEK) clip for Group II. Retention force was measured at time of overdenture insertion (T0), six months (T6), and twelve months (T12) later. Results: significant difference was recorded between the two groups in initial retention forces (T0) where PEEK clip group recorded higher retention forces in comparison to POM clip group (P=0.029). However, insignificant difference was observed at (T6) and (T12). Within group comparison of mean retention values at different follow-up periods revealed significant difference for both groups. Conclusion: Within parameters of this study, it could be concluded that both POM and PEEK retentive clips can provide comparable retention forces when used with zirconia bar during 12 months period of overdenture use.   How to cite this article: Emera RMK, Altonbary GY. Retention force of zirconia bar retained implant overdenture: Clinical comparative study between PEEK and plastic clips. Int Dent Res 2019;9(3):92-8.   Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

scholarly journals MICROBIOLOGICAL ASSESSMENT OF CAD/CAM FABRICATED DENTURES & ITS CORRELATION WITH SURFACE PROPERTIES: A RANDOMIZED CLINICAL TRIAL

2021 ◽  
Vol 9 (11) ◽  
pp. 486-497
Author(s):  
Mohamed A. Abuheikal ◽  
◽  
Sherihan M. Eissa ◽  
Hisham S. El Gabry ◽  
◽  
...  
Keyword(s):  
Surface Roughness ◽  
Surface Properties ◽  
Complete Dentures ◽  
Group Iii ◽  
Group I ◽  
Significant Difference ◽  
Computer Aided ◽  
Cad Cam ◽  
3D Printed ◽  
Group Ii

Background: Computer-aided design and computer-aided manufacturing (CAD-CAM) techniques have lately become a popular treatment option for complete dentures fabrication. The two principal CAD-CAM techniques milling and 3D printing used in complete dentures construction have been approved and documented in showing clinically good results. Surface characteristics of dentures fabricated by these new techniques have a great effect on microbiological adherence to denture fitting surfaces. Aim: As other clinical trials and/or in-vitro studies evaluating the microbiological effect and its correlation with the surface roughness of the two advanced manufacturing techniques and comparing it with the conventional technique are lacking. Thus, this study aimed to further assess the microbiological and surface properties of different widely used denture base materials. Methodology: Thirty-six completely edentulous patients were selected and divided randomly into three groups Group I patients received conventional complete denture, Group II patients received CAD/CAM milled complete dentures and Group III patients received 3D printed complete dentures. All denture`s surface roughness were evaluated, also all patients were recalled after 3, 9 & 12 months respectively to evaluate the microbiological adherence. Results: Microbiological count significantly increased (P < 0.05) after 12 months in all groups, after 12 months there was a significant difference (P < 0.05) between three groups as group II (Milled) was significantly the lowest, then the group I (conventional), while group III (3D printed) was significantly the highest. Regarding surface roughness of group II (milled) was significantly the lowest, while group III (3D printed) was significantly the highest. Finally, there was a strong positive significant correlation between microbiological adherence and surface roughness in all groups as (r > 0.5). Conclusion: Group II (Milled) appeared to be the best regarding microbiological adherence and surface roughness followed by the group I (conventional) and finally group III (3D printed). Furthermore, it was evident that surface roughness has a great effect on microbiological adherence regardless of the fabrication technique utilized.

scholarly journals DIGITAL OCCLUSAL ANALYSIS AND ORAL HEALTH-RELATED QUALITY OF LIFE OF PATIENTS WITH 3D PRINTED COMPLETE DENTURES VERSUS CONVENTIONAL DENTURES

2021 ◽  
Vol 9 (12) ◽  
pp. 210-221
Author(s):  
Hisham S.El Gabry ◽  
◽  
Sherihan M. Eissa ◽  
Mohamed A. Abuheikal ◽  
◽  
...  
Keyword(s):  
Oral Health ◽  
Health Impact ◽  
Complete Dentures ◽  
Occlusal Force ◽  
Group I ◽  
Related Quality ◽  
Cad Cam ◽  
3D Printed ◽  
Group Ii ◽  
Edentulous Patients

Background: 3D printed complete dentures fabrication with computer-aided designing and computer-aided manufacturing (CAD/CAM) techniques is becoming popular nowadays. However, studies that analyzed the occlusal forces distribution using recent digital methods as T-scan III and further evaluated the dentures effect on patient`s life quality were lacking. Objectives: Evaluation of the occlusal forces distribution using T-scan III, and evaluation of the oral health-related quality of life (OHRQoL) using Oral Health Impact Profile for Edentulous Patients (OHIP-EDEN) questionnaire for 3D printed complete dentures and comparing it with conventional denture fabrication techniques. Methods: Twenty completely edentulous patients were selected and divided randomly into two equal groups according to manufacturing technique group I (patients who received conventional complete dentures), and group II (patients who received 3D printed complete dentures). For all patients, occlusal force analysis (percentage of applied occlusal force on both sides) was performed using the T-Scan III (digital occlusal analysis system). Also, OHRQoL was assessed using (OHIP-EDENT) questionnaire. Results: In the digital occlusal analysis, comparison between right and left sides regarding occlusal forces distribution revealed a significant difference in group I (conventional denture), while in group II (3D printed denture), it revealed an insignificant difference. Regarding, OHIP-EDENT patients in group I (conventional denture) revealed higher scores than group II (3D printed dentures). Also, the correlation between occlusal forces & (OHIP-EDENT) scores revealed a strong negative significant correlation. Conclusions: The 3D printed complete dentures fabricated using CAD/CAM technology proved to be more superior over conventional methods in terms of digital occlusal force analysis and Oral Health Impact Profile for Edentulous Patients (OHIP-EDENT). However, further studies are required on more patients to decide the exact superiority of one technique over the other after long-term follow-up periods.

scholarly journals Silodosin versus Tamsulosin as Medical Expulsive Therapy for Children with Lower-Third Ureteric Stones: Prospective Randomized Placebo-Controlled Study

2021 ◽  
pp. 1-6
Author(s):  
Mohamed G. Soliman ◽  
Osama El-Gamal ◽  
Samir El-Gamal ◽  
Ali Abdel Raheem ◽  
Ahmed Abou-Ramadan ◽  
...  
Keyword(s):  
Randomized Study ◽  
Study Groups ◽  
Controlled Study ◽  
Expulsion Rate ◽  
Medical Expulsive Therapy ◽  
Group Iii ◽  
Group I ◽  
Younger Age ◽  
Significant Difference ◽  
Group Ii

<b><i>Aim:</i></b> To compare the efficacy and safety of silodosin versus tamsulosin as medical expulsive therapy for stones of lower-third ureter in children. <b><i>Patients and Methods:</i></b> This prospective single-blind placebo-controlled randomized study included 167 pediatric patients who presented with distal ureteric stone (DUS) less than 1 cm. Patients were randomized into 3 groups; group I received silodosin 4 mg once daily, and group II received tamsulosin 0.4 mg while those in group III had placebo. The side effects of the used drugs, both rate and time of stone expulsion, and number of pain episodes were compared among the study groups for a maximum of 4 weeks. <b><i>Results:</i></b> Follow-up data of our patients after treatment revealed that the stone expulsion rate was significantly higher and the time to stone expulsion was significantly shorter in group I (89.3%, 12.4 ± 2.3 days) and group II (74.5%, 16.2 ± 4.2 days) compared to group III (51.8%, 21.2 ± 5.6). However, a statistically significant difference between silodosin and tamsulosin groups in favor of the former one was reported regarding the 2 studied items. Meanwhile, pain episodes requiring analgesia were statistically fewer in group I and II in contrast to placebo group. Adverse events were comparable among all groups. <b><i>Conclusion:</i></b> Silodosin provides significantly better stone expulsion rate and shorter expulsion time than tamsulosin for treatment of DUS. Both medications showed good safety profiles in children. However, further studies are required on a larger scale to confirm our results. Assessment of drug safety on younger age-group is still needed.

scholarly journals Timing of Cord Clamping and it's Effect on Haematocrit and Clinical Outcome of Neonate

1970 ◽  
Vol 33 (1) ◽  
pp. 16-21
Author(s):  
Ujjal Mitra ◽  
Md Shahidullah ◽  
Abdul Mannan ◽  
Zakia Nahar ◽  
Sanjoy Kumar Dey ◽  
...  
Keyword(s):  
Clinical Outcome ◽  
Controlled Trial ◽  
Study Groups ◽  
Delayed Cord Clamping ◽  
Usual Practice ◽  
Cord Clamping ◽  
Group I ◽  
Significant Difference ◽  
Early Cord Clamping ◽  
Group Ii

Background: It is the usual practice to clamp umbilical cord immediately after birth.There is no sound evidence to support this approach, which might deprive the newbornof some benefits, such an increase in iron storage.Objectives: The study was done to determine the effect of timing of cord clamping onneonatal venous haemoglobin and haematocrit values and clinical outcome withinneonatal period.Methodology: This was a randomized, controlled trial performed in Obstetrical Unitwith support of Neonatal Unit of Paediatrics and Department of Clinical Pathology ofBSMMU on neonates born at term without complication to mothers with uneventfulpregnancies. After obtaining written parental consent newborns were randomly assignedto cord clamping within first 15 seconds (group-I Early Cord Clamping, ECC), ataround 1 minute (group-II Late Cord Clamping, LCC) after birth. The infant's venoushaemoglobin and haematocrit values were measured at 6 hours and 24 to 48 hoursafter birth.Results: 130 mothers were selected for study purpose. Finally 98 were analyzed, 50in early cord clamping group and 48 in late cord clamping group. Mean venoushaemoglobin and haematocrit values at around 6 and 24 to 48 hours of life weremeasured. Results were within physiological limit but difference were significantbetween 2 study groups. The prevalence of anaemia (Hb <14 gm%) was notsignificantly higher in group-I than group-II but relatively more newborns were anaemicin group-I. There was no significant difference in other neonatal outcomes and maternalpostpartum events.Conclusions: Delayed cord clamping at birth increases neonatal venous haemoglobinand haematocrit values within a physiologic range. No harmful effects were observedamong both groups. Furthermore this intervention seems to reduce the incidence ofneonatal anemia. This practice has been shown to be safe and should be practicedto increase neonatal haemoglobin and haematocrit values at birth.Key words: Early cord clamping (ECC); late cord clamping (LCC).DOI: 10.3329/bjch.v33i1.5670Bangladesh Journal of Child Health 2009; Vol.33(1): 16-21

scholarly journals Effect of dexamethasone with granisetron or ondansetron for prevention of post-operative nausea vomiting in patients undergoing laparoscopic gynaecological surgery

2020 ◽  
Vol 8 (4) ◽  
pp. 1331
Author(s):  
Shailendra Kumar Sharma ◽  
Shalendra Singh ◽  
Debashish Paul ◽  
Nihar Ameta ◽  
Priya Taank ◽  
...  
Keyword(s):  
Study Groups ◽  
Double Blind Study ◽  
Antiemetic Drug ◽  
Double Blind ◽  
Patient Dissatisfaction ◽  
Group I ◽  
Significant Difference ◽  
Group Ii ◽  
High Level ◽  
Post Operative Nausea

Background: Post-operative nausea and vomiting (PONV) is generally self-limiting, associated with high level of patient dissatisfaction and may delay hospital discharge. The anaesthetist is usually blamed, despite evidence that PONV results from a variety of factors and variety of antiemetic drug available in market. With this issue we aim to compare the effectiveness of dexamethasone with granisetron or ondansetron in patients undergoing laparoscopic gynaecological surgery.Methods: 120 patients were registered in this prospective, randomized double blind study. Group I (n=60) received ondansetron 4 mg intravenously (IV)+dexamethasone 8mg I/V or II (n=60) received granisetron 1 mg IV+dexamethasone 8 mg I/V prior to anaesthesia. Post-operative data of PONV was recorded at pre-defined intervals.Results: The majority of the patients were of the age group 20-25 years (55.83%). The mean score of Group I subjects was 0.30±0.72 and that of Group II was 0.20±0.57 (p=0.43).  There are 3.33% of patients in group-I having vomiting episodes, and 1.67% of patients in group-II having vomiting episodes, none of the patients developed 2nd episodes of vomiting in either group. Thus it appears that dexamethasone in combination with ondansetron and granisetron is effective in decreasing the number of episodes of PONV. The occurrence of sickness episodes within 24 hours of surgery revealed no significant different in both groups. Haemodynamic variables showed no significant difference recorded in postoperative care unit between the study groups. The most common complaint was headache 16.67% in both groups.  Conclusions: Dexamethasone 8 mg with either granisetron 1 mg or ondansetron 4 mg showed no significant difference in antiemetic efficacy with minimal side effects and excellent patient satisfaction.

scholarly journals Masticatory Ability for a Single Implant Mandibular Overdenture Retained by Two Different Attachments: A Randomized Controlled Trial

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Marwa Abdel AaL ◽  
Amr Naguib ◽  
Ahmed Salah ◽  
Karim Foda ◽  
Nora Sheta ◽  
...  
Keyword(s):  
Controlled Trial ◽  
Study Groups ◽  
Masticatory Ability ◽  
Edentulous Mandible ◽  
Significant Difference ◽  
The Mean ◽  
Edentulous Patients ◽  
Mandibular Overdenture ◽  
Single Implant

Objective. The aim of this randomized clinical trial was to compare the masticatory ability subjectively between ball and Cendres+Métaux Locator (CM-LOC) attachment for a single implant retained mandibular overdenture throughout a 24-month follow-up period. Materials and Methods. Eighty completely edentulous patients were recruited. All patients received new complete dentures, and masticatory ability was recorded using a questionnaire (baseline record). All patients received a single implant in the midline of the completely edentulous mandible. After 3-month healing period, patients were randomized using sealed envelopes into two groups: ball or CM-LOC attachment. The same masticatory ability questionnaire was used to record masticatory ability for both groups after 2 weeks of pickup and 3-, 6-, 9-, 12-, and 24-month follow-up. Comparison between the study groups was done using Mann–Whitney U test for independent samples. Two-sided P values less than 0.05 were considered statistically significant. Results. The mean masticatory scores improved for both attachments, with no statistically significant difference between them throughout the 24-month follow-up. The CM-LOC attachment group showed a greater improvement change in masticatory ability after 6- and 12-month follow-up (−12.47 ± 12.006, −11.46 ± 14.625; P = 0.826 ), while the ball attachment group showed a slight improvement after the 24-month follow-up (−11.72 ± 12.368, −10.88 ± 11.963; P = 0.778 ). Conclusion. Single implant retained mandibular overdenture improved masticatory ability subjectively with no significant difference between both attachments used although the ball attachment showed better masticatory ability scores after 24-month follow-up.

scholarly journals Implant Stability Changes for Nonsubmerged and Submerged Protocols for a Single Implant Mandibular Overdenture Using Ball Attachment

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Ahmed Salah ◽  
Karim Foda ◽  
Mohamed Farouk Abdalla ◽  
Marwa Abdel Aal ◽  
Amr Naguib ◽  
...  
Keyword(s):  
Study Groups ◽  
First Year ◽  
Implant Stability ◽  
Edentulous Mandible ◽  
Significant Difference ◽  
The Mean ◽  
Edentulous Patients ◽  
Mandibular Overdenture ◽  
Single Implant

Objectives. To compare the changes in implant stability for the nonsubmerged (NS) and submerged (S) protocols for the single implant retained mandibular overdenture using ball attachment throughout a 24-month follow-up. Materials and Methods. Eighty completely edentulous patients were seeking to improve retention of their lower complete denture by installing a single implant in the midline of the completely edentulous mandible. At the day of implant installation, patients were randomized into 2 groups using sealed envelopes: the nonsubmerged (NS) and submerged (S) group. After a 3-month healing period, all patients were randomized using sealed envelopes into ball attachment and CM-LOC attachment. The Periotest readings (PTV) was recorded using the Periotest M device and was recorded every 3 months for the first year and then annually in the second year. The scope of this clinical trial focused only on results of the ball attachment. The Mann–Whitney U test was used for comparison between study groups for independent samples. Two-sided p values less than 0.05 was considered statistically significant. Results. There was no statistically significant difference in the mean change in PTV reading between the NS and S group at the different follow-up intervals. Initially, at the day of pickup (baseline) and 3-month follow-up, the mean PTV reading for the NS was greater than that of the S group (−4.471 ± 1.489, −4.391 ± 1.4727 ( p = 0.913 )), while the S group has shown a greater improvement in PTV than the NS group after 6-month follow-up and continued throughout the 24-month follow-up (−5.730 ± 1.7804, −50855 ± 1.2581 ( p = 1 )). Conclusion. Both the nonsubmerged and the submerged healing protocol have shown reliable Periotest readings using ball attachment for a single implant retained overdenture. The submerged group has resulted in a greater improvement in Periotest readings after the 12- and 24-month follow-up period when compared to the nonsubmerged group although this improvement was not statistically significant.

Sign in / Sign up

Export Citation Format

Share Document