scholarly journals A Prospective Study on Accuracy of Computer-Based Fully Guided Versus Pilot-Guided Implant Surgery

2020 ◽  
Vol 10 (6) ◽  
pp. 1975 ◽  
Author(s):  
Hyo Joon Kim ◽  
Hee Jin Kim ◽  
Seong Yong Moon
Keyword(s):  
Bone Loss ◽  
Mean Value ◽  
Implant Surgery ◽  
Implant Placement ◽  
Significant Difference ◽  
Computer Based ◽  
Preoperative Plan ◽  
One Year ◽  
A Prospective Study ◽  
Apical Area

The aim of this study is to compare the implant placement deviations and evaluate the 1-year post-implant placement bone loss of pilot and fully guided implant placement protocols. In the first method, the pilot drill is used for guide surgery, and the following procedure is a method for performing implant surgery in a non-guided protocol. The second method is to perform fully guided surgery. A total of 74 implants in 20 patients were included. Postoperative CT scans were used to compare the implant placement deviations with the preoperative plan. In addition, bone loss was compared one year after surgery. In shoulder area, the implant deviations from the planned positions for dx(mesio-distal), dy(bucco-lingual), dz(vertical) dimensions, mean deviations with pilot-guided protocol (n = 31) were 0.50 ± 0.42 mm, 0.61 ± 0.55 mm, 0.87 ± 0.71 mm, and 1.33 ± 0.75 mm, respectively. The corresponding deviations for fully guided protocol (n = 41) were 0.50 ± 0.52 mm, 0.29 ± 0.27 mm, 0.56 ± 0.51 mm, and 0.96 ± 0.57 mm. In apical area, the corresponding deviations for pilot-guided protocol were 0.75 ± 0.72 mm, 0.61 ± 0.46 mm, 0.98 ± 0.76 mm, and 1.54 ± 0.87 mm. Deviations for fully guided protocol were 0.91 ± 0.90 mm, 0.44 ± 0.39 mm, 0.54 ± 0.51 mm, and 1.38 ± 0.76 mm, respectively. Angular deviations were 3.33 ± 3.23° with pilot-guided protocol and 3.90 ± 1.85° with fully guided protocol. The average bone loss after 1 year was 0.50 + 0.29 mm and 0.50 ± 0.24 mm, respectively. In the shoulder area, dy(bucco-lingual) of horizontal deviations, vertical deviations, and mean value of the deviations showed a statistically significant difference between fully guided and pilot-guided (p = 0.005, p = 0.033, and p = 0.023, respectively). In the apical area, vertical deviations showed a statistically significant difference. However, the mean value of the deviations did not show a statistically significant difference (p = 0.347). There was no statistically significant difference in angular deviations (p = 0.59).

scholarly journals Patient-Reported Outcome Measures (PROMs) for Two Implant Placement Techniques in Sinus Region (Bone Graft versus Computer-Aided Implant Surgery): A Randomized Prospective Trial

2020 ◽  
Vol 17 (9) ◽  
pp. 2990
Author(s):  
Ghazwan Almahrous ◽  
Sandra David-Tchouda ◽  
Aboubacar Sissoko ◽  
Nathalie Rancon ◽  
Jean-Luc Bosson ◽  
...  
Keyword(s):  
Bone Graft ◽  
Clinical Success ◽  
Implant Surgery ◽  
Implant Placement ◽  
Posterior Maxilla ◽  
Significant Difference ◽  
Patient Reported ◽  
Computer Aided ◽  
Bone Atrophy ◽  
One Year

Purpose: To assess patient-reported outcomes measures (PROMs) for two implant placement techniques in cases of sinus bone atrophy (bone graft surgery (BGS) versus computer-aided implant surgery (CAIS)), after surgery and one year later, and to evaluate the clinical success of both treatments. Methods: Sixty patients with bone atrophy in the posterior maxilla and in need of implant placement were randomly assigned to two groups, and in accordance with the case report form (CRF), 30 were treated with BGS and 30 with CAIS. Immediately after treatment and one year later, PROMs were assessed, and the clinical success of both treatments was evaluated. Results: No significant differences were found between BGS and CAIS with regard to the following: loss of implants (p = 492); patient recommendation (p = 210); duration of surgery (p = 987); pain on the intervention day (p = 512); pain in the week after intervention (p = 299); and complications in the stage of surgery (p = 1.00). Similarly, at one year, no differences were found with regard to the following: pain around implant (p = 481); infection of implants (p = 491); abnormal radiographic imaging (p = 226); occurrence of undesirable events (p = 1.00); loss of one of the implants (p = 1.00); plaque detection (p = 1.00); bleeding on probing (p = 236); and presence of keratinized mucosa (p = 226). However, a significant difference was found among BGS and CAIS with regard to the number of consultations (p = 0001); number of implants placed (p = 033); and treatment difficulty (p = 0369). Significant differences were found for peri-implantitis (p = 0481) and radiology of craterization (p = 020) in clinical examination at the first year. Conclusion: Treatment difficulty and number of consultations were higher for BGS than for CAIS, as well as peri-implantitis and bone craterization at one year, indicating significant differences between the two treatments. However, there were no statistically significant differences between BGS and CAIS regarding the other PROMs, at placement and after one year.

Comparison of the repair of permanent tympanic membrane perforations by hydrocolloidal dressing and paper patch

1995 ◽  
Vol 109 (11) ◽  
pp. 1041-1047 ◽  
Author(s):  
Odd Spandow ◽  
Sten Hellström ◽  
Michael Dahiström ◽  
Lennart Bohlin
Keyword(s):  
Simple Technique ◽  
Posterior Part ◽  
Alternative Methods ◽  
Posterior Half ◽  
Occlusive Dressing ◽  
Tympanic Membrane Perforations ◽  
Significant Difference ◽  
One Year ◽  
A Prospective Study ◽  
Inferior Quadrant

AbstractThirty consecutive patients with permanent perforations of their tympanic membranes (TM) present from 2.5 to 50 years (mean 18.7 years) were admitted to a prospective study using two alternative methods of dressings for closure of the perforations. An adhesive-coated hydrocolloid material was compared with a conventional dressing of vaseline impregnated rice paper patch after de-epithelialization of the perforation border. Nine of the permanent TM perforations (30 per cent), five with the hydrocolloidal dressing and four with the rice paper patch had healed when followed-up after one year. The size of eight of the central perforations that had healed was equal to or less than 25 per cent of the TM. Also one perforation with a size of 65 per cent had healed. Seven perforations were located in the posterior part of the TM:Jour in the posterior-superior quadrant, one in the inferior quadrant, one had engulfed the posterior half of the TM and one included the anterior-inferior quadrant. Only two perforations out of 14, with a size of 25 per cent or less, located in the anterior-inferior quadrant, healed. No significant difference was demonstrated between the two types of dressings. Both groups noted an immediate improvement in hearing of 10.8 and 9.3 dB, respectively, after application of the dressing.The study demonstrates that application of an occlusive dressing or paper patch in 30 per cent of patients can promote the healing of long-standing perforations. The chances for healing are better if the perforation is located in the posterior part of the TM. This simple technique immediately improved hearing and should be tried before a patient is referred for myringoplasty surgery.

scholarly journals “JUMPing into Diabetes Control”: A Group-Setting Self-Empowerment Lifestyle Intervention among Diabetes Patients

Healthcare ◽  
2020 ◽  
Vol 8 (2) ◽  
pp. 90
Author(s):  
Sheena Henry ◽  
Lu Shi ◽  
Virginia Alexander ◽  
Richard O’Neal ◽  
Stephen Carey ◽  
...  
Keyword(s):  
Group Intervention ◽  
Internal Medicine Resident ◽  
Mean Value ◽  
T Test ◽  
Post Intervention ◽  
Medicine Resident ◽  
Significant Difference ◽  
One Year ◽  
Paired T Test

We examined the impact of a group-based self-empowerment intervention among diabetes patients, which uses multidisciplinary education, collaborative learning, peer support, and development of diabetes-specific social capital to improve glycemic control and weight management. Thirty-five patients who had primary care established at the Prisma Health Upstate, Internal Medicine Resident clinic and held the diagnosis of diabetes for longer than one year were recruited for our single-arm pilot intervention. Each group intervention session involved one to two internal medicine resident physician facilitators, a clinical diabetic educator, and 5–10 patients. Each session had a framework facilitated by the resident, with most of the discussion being patient-led, aiming to provide a collaborative learning environment and create a support group atmosphere to encourage self-empowerment. Patients’ hemoglobin A1c level and body mass index (BMI) before the intervention and 3 to 6 months after completion were collected from the laboratory results obtained in the participants’ routine clinic visits. All graduates from this three-week intervention were invited to attend monthly maintenance sessions, and we tracked the HgbA1c measures of 29 JUMP graduates one year after the intervention, even though 13 of the 29 chose not to participate in the monthly maintenance sessions. The pre-intervention HgbA1c level averaged 8.84%, whereas the post-intervention HgbA1c level averaged 7.81%. A paired t test showed that this pre–post difference of 1.03 percentage points was statistically significant (p = 0.0007). For BMI, there was an average decline of 0.78 from the pre-intervention mean value of 40.56 to the post-intervention mean value of 39.78 (p = 0.03). Among the 29 participants who agreed to participate in our follow-up measure of their HgbA1c status one year after the intervention, a paired t test showed that there was no significant difference between the post-JUMP measure and the follow-up measure (p = 0.808). There was no statistically significant difference between the HgbA1c level of those participating in the maintenance program and that of those not participating (post-intervention t test of between-group difference: p = 0.271; follow-up t test of between-group difference: p = 0.457). Our single-arm, pilot study of the three-week group intervention of self-empowerment shows promising results in glycemic control and weight loss. The short duration and small number of sessions expected could make it more feasible for implementation and dissemination as compared with popular intervention protocols that require much longer periods of attendance, if the effectiveness of this patient group-based self-empowerment approach can be further established by randomized controlled studies in the future.

Diode Laser Trabeculoplasty in Patients with Pseudoexfoliative Glaucoma

2013 ◽  
Vol 07 (01) ◽  
pp. 14
Author(s):  
Nikola Babić ◽  
Aleksandar Miljković ◽  
Veljko Andreić ◽  
◽  
◽  
...  
Keyword(s):  
Diode Laser ◽  
Open Angle Glaucoma ◽  
Spot Size ◽  
Open Angle ◽  
Pseudoexfoliative Glaucoma ◽  
Laser Trabeculoplasty ◽  
Significant Difference ◽  
Before And After ◽  
One Year ◽  
A Prospective Study

Aim:A prospective study was carried out to examine the efficacy of diode laser trabeculoplasty (DLT) in the treatment of pseudoexfoliative glaucoma (XFG).Material and Methods:Laser trabeculoplasty was performed by Zeiss VISULAS 532s diode pumped solid state laser on 69 eyes of 40 patients with XFG and primary open-angle glaucoma. Power of 600–1,200 mW was used, with a spot size of 100 microns and a pulse of 0.10 second. One hour before DLT brimonidine 0.1 % was administered and during seven days after the treatment Dexamethasone 1 % was administered. All patients underwent complete ophthalmic evaluation before and at intervals after treatment (seven days, one, three and six months and one year postoperatively). During the follow-up period, patients were treated with the same topical anti-glaucoma medicaments as before diode laser trabeculoplasty.Results:Before treatment in XFG patients mean intraocular pressure (IOP) was 23.7±2.6 mmHg and seven days after DLT it was 16.8 ± 2.1 mmHg that is 26.9 % decrease from the baseline, on day 30 it was 14.3 ± 2.2 mmHg which is 38.3 % decrease from the baseline, after 3 months 13.9 ± 2.4 mmHg (39.0 % decrease from the baseline), after six months 13.8 ± 2.7 mmHg or 39.9 % decrease from the baseline and after one year 15.1 ± 3.1 mmHg that makes 36.3 % decrease from the baseline. No side effects (either objective or subjective) were present in examined patients.Conclusions:There is statistically significant difference between IOP before and after diode laser trabeculoplasty, so it is concluded that diode laser trabeculoplasty is an effective mode of treatment for eyes with open-angle glaucoma especially in patients with XFG.

scholarly journals Trends of Implant Placement in Relation to Crestal Bone Level in a Private Dental Institute

2020 ◽  
Vol 11 (SPL3) ◽  
pp. 358-362
Author(s):  
Rinieshah Nair R Baskran ◽  
Rajendra Prabhu Abhinav ◽  
Murugaiyan Arun ◽  
Balaji Ganesh S
Keyword(s):  
Bone Loss ◽  
Dental Implants ◽  
P Value ◽  
Marginal Bone Loss ◽  
Oral Rehabilitation ◽  
Implant Placement ◽  
Significant Difference ◽  
Bone Level ◽  
Natural Dentition ◽  
Bone Height

Dental implants provide a strong foundation for fixed or removable prosthetic teeth that are made to match natural dentition. It has become an ideal method of oral rehabilitation after missing natural dentition has been recognised as a reliable tool for dental reconstruction and aesthetics. Marginal bone loss is characterized by a reduction in bone loss is characterized by a reduction in bone level both vertically and horizontally. The levels at which dental implants are placed include sub-crystal, equi-crestal, and supra-crestal. The crestal levels affect bone height significantly. Failure to do so will lead to peri-implant bone loss which will affect the implant function and ultimately implant failure. A retrospective study was conducted based on a university setting. 615 patients with 1141 implant sites were reviewed from June 2019 to March 2020. Excel tabulation and SPSS analysis were done for data analysis. There was a statistically significant difference between the variables that included tooth region, crestal relation and site (jaw)—[p-value<0.05] The most common crestal relation of implant placement is equi-crestal implant placement. The assessment of trends of implant placement in relation to crestal bone level shows that equi-crestal implant is the most preferred crestal relation of implant placement in Saveetha Dental College.

Evaluation and comparison of type I tympanoplasty efficacy and histopathological changes to the tympanic membrane in dry and wet ear: a prospective study

2015 ◽  
Vol 129 (10) ◽  
pp. 945-949 ◽  
Author(s):  
R Shankar ◽  
R S Virk ◽  
K Gupta ◽  
A K Gupta ◽  
A Bal ◽  
...  
Keyword(s):  
Prospective Study ◽  
Success Rate ◽  
Tympanic Membrane ◽  
Histopathological Examination ◽  
Chronic Otitis Media ◽  
Type I ◽  
Significant Difference ◽  
Type I Tympanoplasty ◽  
One Year ◽  
A Prospective Study

AbstractObjective:This study aimed to compare the success rate of type I tympanoplasty in active (wet) and inactive (dry) mucosal chronic otitis media.Methods:A prospective study was performed of 35 patients each with dry ear and wet ear undergoing type I tympanoplasty in the Otolaryngology Department, Postgraduate Institute of Medical Education and Research, India. All patients underwent type I tympanoplasty between January 2010 and June 2011 by the post-auricular approach. Samples of the remnant tympanic membrane were sent for histopathological examination.Results:After a minimum follow up of one year, the success rate was 88.6 per cent for dry ears and 80 per cent for wet ears. Neither the type (p = 0.526) nor the presence (p = 0.324) of discharge influenced the success rate. Histopathological examination of the tympanic membrane margins was performed for 46 patients: of these, 19 showed evidence of vascularity and 27 did not. There was no significant difference in success rate between groups (p = 0.115).Conclusion:The success rate was not influenced by the presence of ear discharge at the time of surgery, and tympanic membrane vascularity did not influence graft uptake.

Correlation Between MRI Findings and Clinical Impairment In Patients With Shoulder Adhesive Capsulitis: A Prospective Study

2020 ◽  
Author(s):  
Romain GILLET ◽  
Francois ZHU ◽  
Pierre PADOIN ◽  
Gabriella HOSSU ◽  
Aymeric RAUCH ◽  
...  
Keyword(s):  
Signal Intensity ◽  
Adhesive Capsulitis ◽  
Mri Findings ◽  
Significant Difference ◽  
Clinical Impairment ◽  
Pain Duration ◽  
One Year ◽  
The One ◽  
A Prospective Study

Abstract Objectives: MRI diagnostic criteria of shoulder adhesive capsulitis (AC) are widely used, but there is little information available on the association between MRI findings and clinical impairment. The aim of our study was to determine the correlation of MRI findings with the Constant-Murlay Score (CMS), pain duration, and symptoms at the one-year follow-up in AC patients. Methods: MRI of 132 patients with a clinical diagnosis of shoulder AC were prospectively studied. A radiologist examined all patients and completed the CMS just prior to MRI. Pain duration was assessed. The signal intensity and the maximal thickness of the inferior glenohumeral (IGHL) and coracohumeral (CHL) ligaments were measured by two radiologists. Medical record analysis was performed in a sub-group of 49 patients to assess correlation approximately one year after the MRI examination. Results: There was a significant difference in mean pain duration score (3.8 ± 1.2 versus 3.2 ± 0.9 and 3.8 ± 1.2 versus 3.2 ± 0.9 respectively for readers 1 and 2) and in mean mobility scores (15.7 ± 8 points versus 19.6 ± 10.1 points and 15.8 ± 8.2 points versus 19.4 ± 10 points respectively for readers 1 and 2) in patients with a high IGHL signal compared to those with a low signal (P < .05). IGHL was thicker in patients with clinical improvement at one-year follow-up compared to those presenting clinical stability or worsening (P < .05). Conclusion: In shoulder AC patients, the degree of signal intensity at the IGHL was inversely related to shoulder pain duration and range of motion, and a thickened IGHL indicated a favorable outcome at one-year follow-up.

scholarly journals A Simplified Prosthetic Implant Loading Protocol: 1-Year Clinical Follow-Up Study

2020 ◽  
Vol 2020 ◽  
pp. 1-8
Author(s):  
Lorenzo Andreatta ◽  
Malin Bjursten Brailsford ◽  
Jakob Zwaan
Keyword(s):  
Bone Remodeling ◽  
Treatment Time ◽  
Treatment Protocol ◽  
Immediate Loading ◽  
Insertion Torque ◽  
Implant Stability ◽  
Implant Placement ◽  
Significant Difference ◽  
One Year

Purpose. To retrospectively investigate the one-year clinical outcome following a standardized treatment protocol for immediate loading. The protocol mandates predefined requirements for implant stability. If fulfilled, immediate loading of the implants is performed with a simplified prosthetic protocol which includes one-time impression at the time of surgery and definitive restoration within eight weeks. Methods. Twenty-five patients were treated with 48 Neoss ProActive Tapered implants. Minimum primary stability was established before subjecting the implants to immediate nonfunctional load. Definitive prostheses were delivered six to eight weeks from implant placement. Insertion torque (IT), resonance frequency analysis (RFA), intraoral radiographs, and impressions of implant positions were registered at implant placement. During clinical follow-up, RFA was measured at two, four, and six to eight weeks and six months from implant placement to monitor continued implant stability. Marginal bone level measurements were performed at implant placement, six-month, and one-year follow-up visits. Results. IT was over 40 N·cm for 46 implants. Two implants with IT <30 N·cm were both splinted to another implant with IT >50 N·cm, tightening the retention screw with low forces. No implants were lost during the observation period. Mean RFA measurements remained stable without any decrease during the initial six-month healing phase. Mean marginal bone remodeling was −0.47 ± 0.38 mm from implant placement to 1 year. No significant difference was found for marginal bone remodeling between implants placed in the healed bone or fresh extraction sockets. Conclusion. Within the limits of this study, it is concluded that using a simplified immediate loading protocol can be predictably applied to reduce the overall treatment time and the number of clinical sessions.

scholarly journals Immediate Placement and Restoration of a New Tapered Implant System in the Aesthetic Region: A Report of Three Cases

2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Caroliene M. Meijndert ◽  
Gerry M. Raghoebar ◽  
Arjan Vissink ◽  
Henny J. A. Meijer
Keyword(s):  
Patient Satisfaction ◽  
Soft Tissues ◽  
Mean Value ◽  
Implant Placement ◽  
Bone Level ◽  
Immediate Implant ◽  
The Aesthetic ◽  
One Year ◽  
Implant System

Objective. To assess the clinical, radiographic, aesthetic, and patient-centred outcomes of a new implant system applied for an immediate implant placement and restoration approach in single tooth replacement of anterior maxillary teeth. Material and Method. Three cases were treated with a bone level tapered implant. All patients were treated with the same strategy involving flapless extraction and implant placement with simultaneous augmentation. Implants were provisionally restored with a screw-retained restoration at the day of surgery. Definitive restoration was fabricated after 3 months. Follow-up was one year after definitive restoration. Results. At the 1-year follow-up, the implants were stable and no complications had occurred. Peri-implant bone levels had increased with a mean value of 0.24±0.30 mm between definitive restoration placement and 1 year of follow-up. Clinical outcome scores showed healthy soft tissues. Mean Pink and White Esthetic scores were rated 7.0 and 7.3, respectively. Mean patient satisfaction had improved from 55.7 (pretreatment) to 90.0 (1-year follow-up) on a 0-100 VAS scale. Conclusion. Immediate implant placement and restoration with the new tapered bone level implant system are accompanied by good initial clinical and radiographic results as well as high patient satisfaction.

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