Evaluation of Cast Re‐Orientation on a Dental Surveyor Using Three Tripod Techniques: A Survey and In Vitro Study

Sayed, Mohammed E.; Busaily, Idris Ali A; Nahari, Rana J.; Hakami, Ruaa O.; Maashi, Sami M.; Ramireddy, Naveen R.

doi:10.1111/jopr.12581

Cited by 6 publications

(4 citation statements)

References 15 publications

(42 reference statements)

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“…The final position subsequent to cast orientation is crucial in a surveyor, as changes in AP and lateral tilt may result in changes in the path of insertion. [14] Passively adapted on the surveyor's horizontal shelf upon the placement of the casts which could have perhaps led to small amount of incorrect responses for the surveyor technique.…”

Section: Discussionmentioning

confidence: 99%

“…The manufacturer reported accuracy for Atrium digital protractor (Model: CR 2032) used was ± 0.1°, which was accurate enough as a guide to achieve the desired pre-determined angles. Duplicating silicone (Dupliflex-22; Protechno, Vilamalla, Girona, Spain) was then used to prepare three sets of molds for both arches, and poured in type IV dental stone (Lab Stone; Dentsply, York, PA) following the manufacturer's instructions using a vacuum mixer (Mix-R; Dentalfarm, Torino, Italy) and a laboratory vibrator [14] (MiniExport; Dentalfarm) [Figure 2a-f].…”

Section: Specimen Preparationmentioning

confidence: 99%

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Evaluation of Abutment Parallelism and Path of Withdrawal Using Three Intra- and One Extra-Oral Methods: A Survey and In vitro Study

Sayed

Dewan

Mubaraki

et al. 2020

European Journal of General Dentistry

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A dental student or a future dental practitioner needs to be trained to visualize their teeth preparations to detect any amount of undercuts present so as to minimize further clinical and laboratory problems such as over taper and open margins. introduCtionDuring teeth preparation, our main aim is always to develop a common path of placement/insertion to achieve passive and complete seating of the prosthesis. [1] Path of placement or withdrawal according to GPT is defined as: "the specific direction in which prosthesis is placed on the residual alveolar ridge, abutment teeth, dental implant abutment(s), or attachments." [2] Fixed partial denture (FPD) with unparalleled abutments will necessitate excessive seating force that often results in fractures in the veneering ceramic. In order to avoid these side effects, clinicians tend to over taper the preparation. The excessive reduction of the prepared abutments can compromise restoration retention and resistance and jeopardize the biological health of the dentin-pulp complex in vital abutment teeth. [3,4] el-Ebrashi et al. [5] and Jogerson [6] suggested an optimum convergence angle (CA) of 2.5º-6.5º to decrease stress concentrations. Jadhav et al. [7] suggested 2º-7º of taper or 4º-14º of CA to obtain maximum retention and stated some

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Section: Discussionmentioning

confidence: 99%

Section: Specimen Preparationmentioning

confidence: 99%

Evaluation of Abutment Parallelism and Path of Withdrawal Using Three Intra- and One Extra-Oral Methods: A Survey and In vitro Study

Sayed

Dewan

Mubaraki

et al. 2020

European Journal of General Dentistry

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“…A standard questionnaire was prepared according to a previously published study 15 . The questionnaire was validated, showing a Cronbach's alpha value of 0.89, reflecting an acceptable internal consistency of the study tool.…”

Section: Methodsmentioning

confidence: 99%

“…A standard questionnaire was prepared according to a previously published study. 15 Each participant was briefed about the nature of the study, given a short description of each split-cast technique, and asked to remove each pair of casts from its respective articulator. They were asked to check the articulators' knobs and ensure that all the knobs were tightened at the end of the session.…”

Section: Materials and Me Thodsmentioning

confidence: 99%

Evaluation of split‐cast techniques for remounting casts on a dental articulator: A survey and an in vitro study

Sayed

Ramireddy

Nandalur

et al. 2022

Eur J Dental Education

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Introduction This study aimed to investigate the difference between senior dental students and prosthodontic faculty members regarding their opinions, attitudes and adoption of six split‐cast techniques for remounting complete dentures. The accuracy of each technique for measurements of the vertical and the anteroposterior dimensions was assessed. Materials and Methods Six split‐cast techniques to remove the casts were compared. A total of 115 participants removed a set of casts on six different articulators, and a questionnaire survey was administered. A digital Vernier caliper was used to measure the linear dimensional changes between the laterally pindexed references on each cast. The data were statistically analysed at α = 0.05. Results There were significant differences between senior dental students and prosthodontic faculty members in their responses regarding adoption of daily practice and techniques requiring more skill (p = .001). To adopt a specific technique in daily practice, most students and faculty members chose long round die pins (36.4%) and central groove indexing (CGI; 40.7%), respectively. For techniques requiring more skills, most students and faculty members chose long rectangular die pins (30.7%) and short round dowel pins (33.3%), respectively. Conclusion Dental students preferred ShRP, whilst faculty members preferred LReP. All participants considered CGI to be the easiest amongst the techniques. For comparison with baseline measurements, both senior dental students and prosthodontic faculty members considered side notch indexing and double dowel pins to be the most accurate techniques for vertical measurements, and CGI for anteroposterior measurements.

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Recording and reproducing cast orientation by using an implant impression coping and implant analog: A dental technique

Lee

Seo

2018

The Journal of Prosthetic Dentistry

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Evaluation of Cast Re‐Orientation on a Dental Surveyor Using Three Tripod Techniques: A Survey and In Vitro Study

Cited by 6 publications

References 15 publications

Evaluation of Abutment Parallelism and Path of Withdrawal Using Three Intra- and One Extra-Oral Methods: A Survey and In vitro Study

Evaluation of Abutment Parallelism and Path of Withdrawal Using Three Intra- and One Extra-Oral Methods: A Survey and In vitro Study

Evaluation of split‐cast techniques for remounting casts on a dental articulator: A survey and an in vitro study

Recording and reproducing cast orientation by using an implant impression coping and implant analog: A dental technique

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