Partial caries removal in deep lesions: 19-30 months follow-up study

The aim of this multicenter randomized controlled clinical trial was to evaluate the effectiveness of partial caries removal followed by restoration in a single session (PDR) for deep caries lesions in Brazil (Porto Alegre and Brasilia) after 2-year follow-up. Inclusion criteria: patients with ≥ six years old presenting permanent molars with primary deep lesion, absence of periapical alterations, pulp sensitivity, absence of spontaneous pain and negative percussion test. The subjects were randomly assigned to test group - PDR, or control group - stepwise excavation (SW). SW consisted of partial removal of carious dentine, indirect pulp capping with calcium hydroxide cement, temporary filling, cavity re-opening after 60 days, removal of the remaining soft carious dentine and filling. Each group was divided according to the filling material: amalgam or resin. Clinical and radiographic evaluations were performed in annual basis. The outcomes were considered as pulp sensibility to cold test and absence of periapical alterations. There were performed 299 treatments, 153 PDR and 146 SW. There were no differences between the groups regarding baseline characteristics. After 2 years of follow-up, 204 restorations were evaluated and the therapy survival rates of PDR and SW were 95.45% and 80.85%, respectively (p=0.001). Reasons for failure: pulpitis, osteitis, hyperemia, necrosis, extraction and restoration fracture.. None variable was significantly associated with the outcome. From these results, it is possible to conclude that the PDR is a more successful treatment than SW. (Registration number at www.clinicaltrials.gov NCT00887952).

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The open, multicenters, double-arms, randomized, parallel controlled clinical trial of lobaplatin or gemcitabine combined with docetaxel as second-line therapy for advanced osteosarcoma-the effectiveness and safety analysis.

Journal of Clinical Oncology ◽

10.1200/jco.2017.35.15_suppl.e22506 ◽

2017 ◽

Vol 35 (15_suppl) ◽

pp. e22506-e22506

Author(s):

Yuanjue Sun ◽

Yang Yao ◽

Zhengdong Cai ◽

Xiuchun Yu ◽

Sujia Wu ◽

...

Keyword(s):

Clinical Trial ◽

Statistical Difference ◽

Objective Response ◽

Survival Rates ◽

Control Group ◽

Controlled Clinical Trial ◽

Second Line ◽

Second Line Therapy ◽

Line Therapy

e22506 Background: to study the progression free survival (PFS), objective response rate (ORR), overall survival (OS) and safety of lobaplatin or gemcitabine combined with docetaxel as second-line therapy for advanced osteosarcoma. Methods: the NO. of clinical trial was HNCA001,a total of 15 cases were enrolled into experiment group adopted lobaplatin combined with docetaxel,and 14 into control group received gemcitabine combined with docetaxel.The trial concluded screening, treatment and follow-up periods.21 dyas as one treatment period,they got drugs at the first day,and were evaluated the effects per two periods, treated at most 6 periods. Results: The baseline characteristics of two groups were no ststistical differences(diastolic blood pressure excluded) (P > 0.05).The PFS rates of 2,4 and 6 periods in experiment group were 87.50%、87.50% and 70.00%,83.33%,27.78% and 0 in control group,middle PFS more than 12 months in experiment group and 3.20 months in control group;while there was no statistical difference of PFS rates(χ2= 2.42,P = 0.1194).The survival rates of 2,4 and 6 periods in experiment group were 100.00%,83.33% and 83.33%,83.33%,83.33% and 0 in control group,the middle OS more than 12 months in the two groups, there was no statistical difference of survival rates (χ2= 0.65,P = 0.4196).The ORR was 6.67% in experiment group and 0 in control group(P = 1.0000).There were no adverse events occurring in the two groups. Conclusions: There is negative results of the trial,most reason may be the samples are greatly less;the next step is samples expanded and follow-up extended for the priority of lobaplatin or gemcitabine combined with docetaxel as second-Line therapy for advanced osteosarcoma. Clinical trial information: NCT02099396.

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Tapered, Double-Lead Threads Single Implants Placed in Fresh Extraction Sockets and Healed Sites of the Posterior Jaws: A Multicenter Randomized Controlled Trial with 1 to 3 Years of Follow-Up

BioMed Research International ◽

10.1155/2017/8017175 ◽

2017 ◽

Vol 2017 ◽

pp. 1-16 ◽

Cited By ~ 3

Author(s):

Alessandro Cucchi ◽

Elisabetta Vignudelli ◽

Simonetta Franco ◽

Luca Levrini ◽

Dario Castellani ◽

...

Keyword(s):

Controlled Trial ◽

Survival Rates ◽

Test Group ◽

Primary Stability ◽

Control Group ◽

Complication Rates ◽

Significant Difference ◽

Multicenter Randomized Controlled Trial ◽

Implant Crown

Purpose. To evaluate the survival, success, and complication rates of tapered double-lead threads single implants, placed in fresh extraction sockets and healed sites of the posterior jaws. Methods. The enrolled patients were randomly divided into 2 groups: in the test group (TG), all implants were inserted at the time of tooth extraction; in the control group (CG), all implants were placed 3 months after extraction. The implants were followed for a period of 1 to 3 years after loading. The main outcomes were implant survival, complications, and implant-crown success. Results. Ninety-two patients had 97 installed implants (49 in the TG, 48 in the CG). Only two implants failed, in the TG; the survival rates were therefore 95.9% (47/49) and 100% (48/48) for TG and CG, respectively. In the surviving implants, no complications were reported, for an implant-crown success of 100%. Conclusions. Although a significant difference was found in the levels of primary stability between TG and CG, single implants placed in fresh extraction sockets and healed sites of the posterior jaws had similar survival and complication rates. Crestal bone levels and peri-implant bone resorption showed similar values. A longer follow-up period is however required, to confirm these positive outcomes.

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Efficacy of four toothbrushes on removal of plaque with modified Bass technique in Dental Hygiene Students at Cali

Revista Estomatología ◽

10.25100/re.v16i2.5678 ◽

2017 ◽

Vol 16 (2) ◽

Author(s):

Pedro Castro ◽

Claudia Corral ◽

Felipe García ◽

Pilar León ◽

Carlos Humberto Martínez Cajas ◽

...

Keyword(s):

Dental Hygiene ◽

Test Group ◽

Tooth Brushing ◽

Plaque Index ◽

Control Group ◽

Controlled Clinical Trial ◽

Dental Hygiene Students ◽

Hygiene Practices ◽

Clinical Advantage

Summary: Aim: To evaluate the efficacy of four different designed toothbrushes (Colgate Microsonic ®, Colgate Twister Fresh®, Colgate 360 Sensitive® y Colgate 360®) to determine the clinical advantage on removal of plaque using modified Bass technique in dental hygiene students in Cali. Methods: This is a controlled clinical trial to compare the efficacy of four toothbrushes designs with different tooth brushing methods in 200 female dental hygiene students with ages from 15 to 43. Control group used any tooth brushing technique whereas test group used modified Bass technique. Follow up was made daily for 21 days with O´Leary Plaque Index. Results: Colgate Twister Fresh® toothbrush had more probability to reduce plaque index at any time of follow up period than other toothbrushes. Modified Bass technique had more chance to reduce plaque than other techniques but with no significant differences. Conclusions: there were no statistically significant differences between tooth brush techniques. None of the four designs of studied toothbrushes showed differences in regard to plaque elimination. Key words: Manual toothbrushes. Modified Bass tooth brushing technique. Dental plaque control. Oral hygiene practices.

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RELATED FACTORS TO RELAPSE IN DEPRESSED PATIENTS AFTER COGNITIVE BEHAVIOURAL THERAPY DURING ONE YEAR PROSPECTIVE FOLLOW-UP

Journal of Medicine and Pharmacy ◽

10.34071/jmp.2011.5.2 ◽

2011 ◽

pp. 13-19

Author(s):

Nhu Minh Hang Tran ◽

Huu Cat Nguyen ◽

Dang Doanh Nguyen ◽

Van Luong Ngo ◽

Vu Hoang Nguyen ◽

...

Keyword(s):

Cognitive Behavioral Therapy ◽

Relapse Rate ◽

Behavioral Therapy ◽

Cognitive Behavioral ◽

Control Group ◽

Controlled Clinical Trial ◽

Related Factors ◽

Depressed Patients ◽

One Year

Objectives: To determine factors impact on the relapse in depressed patients treated with Cognitive Behavioral Therapy (CBT) during one year follow-up. Materials and Methods: 80 depressed patients divided into two groups, group 1: included 40 patients treated with CBT; group 2: 40 patients on amitriptyline. Non-randomized controlled clinical trial, opened, longiditual and prospective research. Results and Conclusions: relapse rate after CBT during 1 year follow-up is 10% (compared to 25% in control group), related factors to relapse rate in depression after CBT are age and education. Shared predictors between 2 groups are severity and recurrence of depression. Key words: Depression, relapse, Cognitive Behavioral Therapy (CBT)

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Clinical and Immunological Efficacy of Mangosteen and Propolis Extracted Complex in Patients with Gingivitis: A Multi-Centered Randomized Controlled Clinical Trial

Nutrients ◽

10.3390/nu13082604 ◽

2021 ◽

Vol 13 (8) ◽

pp. 2604

Author(s):

Jin-Young Park ◽

Kyung-A Ko ◽

Ji-Yeong Lee ◽

Jae-Woon Oh ◽

Hyun-Chang Lim ◽

...

Keyword(s):

Patient Reported Outcomes ◽

Daily Intake ◽

Test Group ◽

Control Group ◽

Controlled Clinical Trial ◽

Control Groups ◽

Immunological Parameters ◽

Significant Difference ◽

Patient Reported ◽

And Control

Background: Mangosteen and propolis extracts (MAEC) have been potential therapeutic agents known to exhibit powerful antioxidant and anti-inflammatory properties. The aim of the current study was to evaluate the clinical and immunological efficacy of MAEC as well as safety and patient-reported outcomes (PROMs) on gingivitis and incipient periodontitis. Methods: This study was performed on 104 patients diagnosed with gingivitis or incipient periodontitis. At baseline, the participants were randomly allocated to either the test group, with daily intake of a single capsule containing 194 mg of MAEC for eight weeks, or control group, with placebo. Clinical periodontal evaluation and immunological parameters from saliva and gingival sulcular fluid were assessed at baseline, four, and eight weeks. Individual PROMs were assessed by OHIP-14 questionnaires. Results: There was a significant difference of modified gingival index at four and eight weeks between the test and control groups. In the test group, crevicular interleukin (IL)-6 was reduced, and the salivary matrix metalloproteinase (MMP)-9 was increased after eight weeks. PROMs were improved up to four weeks compared to placebo. Conclusion: Oral administration of MAEC would have a potential to reduce gingival inflammation clinically and immunologically in the patients with gingivitis and incipient periodontitis.

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Supragingival plaque removal with and without dentifrice: a randomized controlled clinical trial

Brazilian Dental Journal ◽

10.1590/s0103-64402012000300009 ◽

2012 ◽

Vol 23 (3) ◽

pp. 235-240 ◽

Cited By ~ 4

Author(s):

Fabricio B. Zanatta ◽

Raquel P. Antoniazzi ◽

Tatiana M. P. Pinto ◽

Cassiano K. Rösing

Keyword(s):

Clinical Trial ◽

Test Group ◽

Control Group ◽

Controlled Clinical Trial ◽

Separate Analysis ◽

Randomized Controlled Clinical Trial ◽

Significance Level ◽

Plaque Removal ◽

Randomized Controlled ◽

Removal Capacity

The aim of this study was to compare the efficacy of dental plaque removal by brushing with and without conventional dentifrice. Twenty-four students aged 17 to 28 years participated in this randomized controlled clinical trial. Quadrants 1-3 or 2-4 were randomly allocated to the test group (brushing without dentifrice) or control group (brushing with dentifrice). After 72 h of cessation of oral hygiene, Quigley & Hein (Turesky) plaque index was assessed before and after brushing by a calibrated and blind examiner. Overtime and intergroup comparisons were performed by Student's paired sample t-test at 5% significance level. The results showed that both groups after toothbrushing presented statistically significant reductions in plaque, with no differences between them (from 3.06 ± 0.54 to 1.27 ± 0.26 versus from 3.07 ± 0.52 to 1.31 ± 0.23). A separate analysis of the buccal and lingual aspects also showed no significant differences between groups. It may be concluded that the use of a conventional dentifrice during toothbrushing does not seem to enhance plaque removal capacity.

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The treatment of chronic periodontitis by non-surgical periodontal therapy in association with diode laser compared to conventional non-surgical therapy

Journal of Advanced Health Care ◽

10.36017/jahc2003-008 ◽

2020 ◽

Author(s):

Bellia Loredana ◽

Ruggiero Roberta ◽

Nicolò Michele

Keyword(s):

Surgical Treatment ◽

Diode Laser ◽

Surgical Therapy ◽

Test Group ◽

Control Group ◽

Probing Depth ◽

Baseline Test ◽

Mechanical Therapy ◽

Non Surgical Treatment

Mechanical surface treatment and removal of the above and subgingival biofilm (Tartar ablation; SRP) are considered the most suitable tools for the treatment of periodontal inflammatory diseases, with the aim of destroying bacterial bioflim, reducing bacteria, and slowing down recolonization by pathogenic microorganisms. Often, however, the only S&RP are not enough, as there are patients who are experiencing relapses. Recently, laser therapy has been suggested as a potential tool to improve the outcome of periodontal non-surgical treatment. The objective of the following study was to evaluate the clinical healing of periodontal pockets treated with mechanical therapy, scaling and root planing, and diode laser application, compared to that obtained with non-surgical mechanical therapy alone. The study was designed as a randomized controlled clinical trial. Patients in the control group (13 patients) underwent conventional non-surgical therapy only, while patients in the test group (17 patients) were associated with conventional non-surgical treatment, a laser irradiation session. At baseline and after 6 months, the parameters of probing depth (PD), bleeding on probing (BOP), gingival recession (REC) were assessed The main variable of this study was the PD (probing depth) FMPS and FMBS at follow-up improved in both groups. The FMPS baseline test group 32.59 ± 6.74 - follow up 12.00 ± 3.16. The baseline of the control group showed 33.00 ± 9.55, the follow up 13.15 ± 4.85 The FMBS baseline test group found 24.29 ± 5.01 while at follow 9.65 ± 2.69. The baseline control group 30.31 ± 7.74, Follow up 11.08 ± 2.33. There is a statistical significance. (P.VALUE 0.0001) There were no significant differences between the groups in terms of PD, CAL and BOP at baseline and at follow-up. PD Test group 4,89±1,58 3,95±0,85 0,0001 Control group 5,02±1,57 4,01±0,86 CAL (mm)Test group 0,89±2,29 0,77±1,91 Control group 0,28±1,38 0,24±1,14 REC Test group 0,19±0,49 0,19±0,51 Control group 0,06±0,29 0,57±029 BOP Test group 51,2% 23,5% Control group 54,0% 20,9% The results showed differences in both baseline and follow-up for REC. Test group 0,19±0,49 0,19±0,51-Control group0,06±0,29 0,57±029 In intra-group analyzes, there are differences between baseline and follow-up for all values, except for REC in the control group. The diode laser can be used as an appropriate device for periodontal treatments, but it can offer additional and significant benefits if used according to appropriate protocols and parameters, and especially if associated with non-surgical, manual and ultrasound periodontal instrumentation, always site-specific , as it is a tool that does not replace traditional methods.

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Effect of a Vibration System on Pain Reduction during Injection of Dental Anesthesia in Children: A Randomized Clinical Trial

International Journal of Dentistry ◽

10.1155/2021/8896408 ◽

2021 ◽

Vol 2021 ◽

pp. 1-8

Author(s):

Muhanad AlHareky ◽

Jehan AlHumaid ◽

Sumit Bedi ◽

Maha El Tantawi ◽

Mazin AlGahtani ◽

...

Keyword(s):

Clinical Trial ◽

Test Group ◽

The United States ◽

Nerve Fibers ◽

T Test ◽

Control Group ◽

Controlled Clinical Trial ◽

Clinical Trial Registry ◽

Dental Anesthesia ◽

Gate Control Theory

Background. The ‘‘gate control’’ theory suggests pain can be reduced by simultaneous activation of larger diameter nerve fibers using appropriate coldness, warmth, rubbing, pressure, or vibration. This study investigated the efficacy of a device combining cold and vibration, for needle-related procedural pain in children. Methodology. A total of 51 children aged 5–12 years participated in this randomized controlled clinical trial. Half of the children were in the control group and received maxillary buccal infiltration, by injecting 1.8 ml of 2% lidocaine with 1 : 100,000 adrenaline using topical anesthesia 20% benzocaine gel for 15 seconds, while the other half were in the test group and received the same anesthesia using a commercially available external cold and a vibrating device. A face version of Visual Analogue Scale (VAS) was used as a subjective measure to assess the child’s pain experience. The parents were requested to evaluate the child’s ability to tolerate pain using a behavioral/observational pain scale. Sound, Eyes, and Motor (SEM) scale and Faces, Legs, Activity, Cry, and Consolability (FLACC) scale were used to record the child’s pain as perceived by the external evaluator. T-test or Mann–Whitney U-test was used for scale variables, paired sample T-test or Wilcoxon rank t-test was used for before and after data, and chi-square was used for categorical variable, based on the results of normality test. Results. The results showed a statistically significant reduction in pain after the injection for the test group compared with control using VAS scale (mean = 6.68 (1.09) and 8.42 (0.50); p = 0.001 ) and FLACC scale (mean = 5.92 (1.05) and 8.16 (0.54); p = 0.002 ), but not when using SEM scale (mean 3.22 (0.42) and 4.24 (2.74); p = 0.08 ). Conclusions. Combined external cold and vibrating devices can be an effective alternative in reducing experienced pain and fear in children undergoing infiltration dental anesthesia. This study was registered with clinical trial registry of the United States National Institutes of Health (NIH) at ClinicalTrials.gov (NCT03953001).

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Immediate Loading of Implant-Supported Single Crowns after Conventional and Ultrasonic Implant Site Preparation: A Multicenter Randomized Controlled Clinical Trial

BioMed Research International ◽

10.1155/2018/6817154 ◽

2018 ◽

Vol 2018 ◽

pp. 1-8 ◽

Cited By ~ 11

Author(s):

Claudio Stacchi ◽

Teresa Lombardi ◽

Domenico Baldi ◽

Calogero Bugea ◽

Antonio Rapani ◽

...

Keyword(s):

Survival Rate ◽

Test Group ◽

Site Preparation ◽

Control Group ◽

Controlled Clinical Trial ◽

Marginal Bone Loss ◽

One Year ◽

And Control ◽

Implant Site Preparation ◽

Single Crowns

Aim. To compare implant survival rate and marginal bone loss (MBL) of immediately loaded single implants inserted by using ultrasonic implant site preparation (UISP) (test) and conventional rotary instrumentation (control). Methods. Two single implants were inserted for each patient: after randomization, test site was prepared by using an ultrasonic device (Piezosurgery Touch, Mectron, Italy) and control site was prepared by using the drills of the selected implant system (Premium AZT, Sweden & Martina, Italy), until reaching a final diameter of 3 mm in both groups. Identical implants (3.8x11.5 mm) were inserted in all sites at crestal level. Impressions were taken and screwed resin single crowns with platform-switched provisional abutments were delivered with 48 hours. Periapical radiographs were taken at provisional crown insertion (T0), 6 months (T1) and one year (T2) after prosthetic loading to measure MBL. All data were tested for normality and subsequently analyzed by paired samples t-test and forward multiple linear regression. Results. Forty-eight patients were treated in six centers with the insertion of ninety-six implants (48 test; 48 control). Four implants in four patients failed within the first six months of healing (two in test group; two in control group; no difference between groups). Forty patients (age 60.1±10.7 years; 22 female, 18 male) were included in the final analysis. Mean MBL after six months of loading was 1.39±1.03 mm in the test group and 1.42±1.16 mm in the control group (p>0.05) and after one year was 1.92±1.14 mm and 2.14±1.55 mm in test and control, respectively (p>0.05). Conclusions. No differences in survival rate and MBL were demonstrated between UISP and conventional site preparation with rotary instruments in immediately loaded dental implants: UISP, with its characteristics of enhanced surgical control and safety in proximity of delicate structures, may be used as a reliable alternative to the traditional drilling systems.

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Treatment Success and User-Friendliness of An Electric Toothbrush App: A Pilot Study

Dentistry Journal ◽

10.3390/dj8030097 ◽

2020 ◽

Vol 8 (3) ◽

pp. 97

Author(s):

Viviane Humm ◽

Daniel Wiedemeier ◽

Thomas Attin ◽

Patrick Schmidlin ◽

Stefanie Gartenmann

Keyword(s):

Pilot Study ◽

Treatment Success ◽

Test Group ◽

Plaque Index ◽

Control Group ◽

Controlled Clinical Trial ◽

User Friendliness ◽

Short Period ◽

Electric Toothbrush ◽

And Control

Electronic and mobile health (eHealth/mHealth) are rapidly growing areas in medicine and digital technologies are gaining importance. In dentistry, digitalization is also an emerging topic, whereby more and more applications are being offered. As an example, using real-time feedback, digital application software (an app) was designed to help users brush their teeth more accurately. However, there is no data on the effectiveness and haptic of such apps. Therefore, a single-blinded, randomized controlled clinical trial was designed: twenty volunteers received an electric toothbrush with an associated app to assess whether the app-assisted toothbrushing is better than without. After a short period of familiarization with the electric toothbrush, plaque index (O‘Leary et al. 1972) was recorded and subjects were assigned to the test (with app; n = 10) or the control group (no app; n = 10). At the end of the 2-week pilot study period, plaque was again assessed and participants in the test group completed a questionnaire about the app’s user-friendliness. Statistical analysis revealed no significant differences between the test and control groups. The plaque index improved on average by 8.5% points in the test and 4.7% points in the control group. Fifty percent of the test group participants were of the opinion that they had achieved better cleaning results and would recommend the app to others, although the app contributed only marginally to increased plaque removal. However, such apps may nevertheless be helpful as motivational tools, especially when tracking and monitoring cleaning data. Therefore, more development and research on this topic is indicated.

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