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At least 253 records · Page 14Linked to original sources
PubMed1975

Selective sputum cultures. A bronchial culture technique using a modified nasotracheal suction catheter with a sterile, inner telescoping cannula.

The contamination of expectorated or catheter-aspirated sputum specimens by pathogenic microorganisms which have colonized the nose and oropharynx remains a formidable obstacle to the accurate interpretation of sputum cultures. This problem is encountered in all forms of acute and chronic bronchopulmonary infection. A standard suctioning technique via a nasotracheal catheter has been modified with a telescoping sterile inner cannula to obtain uncontaminated bronchopulmonary secretions for culture. Bacteriologic results of selective bronchial cultures obtained in 18 patients following major chest surgery have provided important considerations concerning the prophylactic use of antibiotics. The telescoping cannula method is a simple, safe, and practical means of selectively monitoring the bacteriologic flora of the lower respiratory tract.

Adult↗
PubMed2000

Long-term experience with telescopically retained overdentures (double crown technique).

To evaluate the long term results of telescopically retained overdentures, 92 patients with a total of 106 overdentures on 236 teeth were examined after two to eleven years. Thirty-three teeth were lost during the follow-up period. A higher tooth survival rate of the double-crowned teeth was found under mandibular overdentures (92%) than under maxillary overdentures (86%) after five years. The palladium-silver-alloy used seemed to be more suitable for telescopic crowns than the use of precious gold-copper-alloys because of tarnishing the latter alloys.

Adult↗
PubMed2000

Long-term results of telescopic crown retained dentures--a retrospective study.

The clinical data for 250 telescopic crown retained dentures involving 617 abutment teeth preparations were collected and analysed in a retrospective study to ascertain the survival rate of the dentures and their abutment teeth. During the study period 10.6% of the abutment teeth had to be extracted. An increased number of telescopic crowns significantly improved the longevity of the prostheses and their associated abutment teeth in most denture designs, but this was not found to be the case with bilateral free-end saddle designs without an anterior bounded saddle. The use of more than four abutment teeth did not result in a higher survival rate.

Crowns↗
PubMed1999

[Telescopic anastomosis in esophageal and gastric surgery].

In 1991 we tried to adopt the telescopic anastomosis technique which had been used in bowel surgery made with the esophagus. In our method a 1.5-2 cm long stump of the distal esophagus is laid in the lumen end-to-side of the other organ (stomach, jejunum, large bowel). The oral the worst blood supplied part of the stomach has also removed and an end-to-end anastomosis has been made. We used this method in 125 patients until the end of 1997. In 89 cases during esophageal resections, and from it in 36 cases the anastomoses were made and-to-end, in 36 cases during total gastrectomies were made telescopic anastomosis leakage in the neck that healed after conservative treatment. We noticed advanced ischemic necrosis of the stomach used for replacement in 4 cases. Two of these patients healed after operative treatment. After gastrectomies all anastomosis healed without any complication. In 6 cases occurred anastomotic stenosis always after anastomotic leakage. 3 patients could be treated with dilatation, in 3 cases had to make reoperations due to stenosis. The authors emphasize that the method is simple, made in single lawyer, the sutures are not drained the lumen. They have not got strong opinion about the propensity for stenosis due to few cases.

Adult↗
PubMed1992

[A telescopic system for distance consisting of contact lens and spectacle lens for low vision patients].

A telescopic system for distance consisting of a negative contact lens (-10.0 - -20.0 D) as the eye piece and a positive spectacle lens (+8.0 - +16.0 D) as the objective, a modification of the Galilean telescope was examined. First the system was tried in 15 normal subjects, whose visual acuity was reduced to 20/200 or less by providing several occlusion membranes, and results were compared with customary full correction for distance. The best improvement of their vision by this system was achieved when the dioptric power of the spectacle was between +11.0 D and +13.75 D. This system was then applied to 78 eyes (61 patients) with visual acuity of 20/100 or less. Subjective improvement of vision was found in 55% of those patients' eyes. Eight patients out of 26 patients whose better eye acuity was 20/100 or less wanted to use this system and received prescription to result in the visual improvement, as evidenced by their continued use. This system can provide aid for low vision correction for distance.

Adolescent↗
PubMedDate not supplied

Evaluation of telescopes and forceps for endoscopic transnasal surgery on the maxillary sinus.

BACKGROUND: Contemporary endonasal surgical treatment of chronic hyperplastic paranasal sinusitis strives for microsurgical excision of all spots of irreversibly diseased hyperplastic mucosa. However, anatomy of the maxillary sinus reveals distinct hidden areas and niches that pose problems to optical and instrumental control. METHODS: The specific range of view of common telescopes (30, 45, and 70 degrees) inside the maxillary sinus after generous middle meatal antrostomy is analyzed in three different-sized anatomic specimens. The examinations are paralleled by investigations on the range of action of 14 surgical instruments. The results are visualized by means of a three-dimensional computed tomograph of all specimens. RESULTS: The different telescopes and surgical tools that are introduced via the middle meatal antrostomy reveal a specific overlap in the range of view and in the range of action, respectively. Anatomic areas that are difficult to reach e.g., are the medial and anterior parts of the sinus and the alveolar recess. An additional inferior antrostomy offers minor benefits with respect to control of the prelacrimal recess. CONCLUSIONS: Routine surgery on the maxillary sinus in case of chronic hyperplastic pansinusitis via middle meatal antrostomy does not cover all hidden niches of the sinus. The most important area that is out of sight and control is the prelacrimal recess.

Cadaver↗
PubMed1999

[A clinical study on prosthodontic treatment of periodontal problems with conical telescopic removable denture]

OBJECTIVE:Clinical study was made on curative effect of medium to severe periodontal diseases as well as those complicated with partial edentulism by conical telescopic removable denture.METHODS:14 cases of medium to severe periodontal diseases and these complicated with partial edentulism were treated with prosthodontic methods after comprehensive periodontal therapy.Examinations of both before and following prosthetic restoration of 3,12,14 months were made.Bacterial plague index,gingival index,tooth movability and masticatory efficiency were recorded,analysed and compared. RESULTS:Periodontal plague attachment was under effective control through this way,which also eliminated periodontal trauma thus preventing the relapse of periodontal diseases.Further more it can diminish tooth movability and improve masticatory efficiency continuously as time goes on.CONCLUSION:Conical telescopic removable denturs is an effective prosthetic method in treating medium to severe periodontal diseases.

Journal Article↗
PubMed2005

New telescopic crown protocol for partially edentulous patients: report of 32 cases.

In some periodontal cases, biomechanical, esthetic, medical, or economic concerns make it difficult for clinicians to employ either traditional therapy or restoration with an implant-supported prosthesis. To avoid any compromise and ensure a good result in such cases, we chose a removable telescopic prosthesis on natural teeth. In this paper we present a new clinical and technical method for the telescopic prosthesis, and we show that this is a predictable, reliable solution that is easy to realize, inexpensive, and comfortable for patients.

Adult↗
PubMed2006

[Analysis of the movement of long axis and the distribution of principal stress in abutment tooth retained by conical telescope].

OBJECTIVE: To study the movement of long axis and the distribution of principal stress in the abutment teeth in removable partial denture which is retained by use of conical telescope. METHODS: An ideal three dimensional finite element model was constructed by using SCT image reconstruction technique, self-programming and ANSYS software. The static loads were applied. The displacement of the long axis and the distribution of the principal stress in the abutment teeth was analyzed. RESULTS: There is no statistic difference of displacenat and stress distribution among different three-dimensional finite element models. Generally, the abutment teeth move along the long axis itself. Similar stress distribution was observed in each three-dimensional finite element model. The maximal principal compressive stress was observed at the distal cervix of the second premolar. CONCLUSION: The abutment teeth can be well protected by use of conical telescope.

Crowns↗
PubMed2006

[Distribution of subgingival flora after restoration of dentition defect with conical telescopic removable denture in patients with periodontitis].

PURPOSE: To assess the distribution of subgingival flora after restoration of dentition defect with conical telescopic removable denture in patients with periodontitis. METHODS: 36 spots of 18 patients were examined and recorded for periodontal depth (PD) and gingival index(GI). Samples from subgingival pocket were collected, cultured, evaluated and compared between abutment teeth group and nonabutment teeth group. Chi-square test was used to determine the difference in each of these positive detecting rates by SPSS 10.0 software. RESULTS: 3 years after restoration, the GI and PD of abutment teeth were normal, while those of the non-abutment teeth were higher. The positive rate for anaerobe in subgingival pocket after restoration, were significantly higher than that before restoration in both groups (P<0.05). CONCLUSIONS: Conical telescopic removable denture is efficient in controlling the accumulation and attachment of nosogenetic microorganisms, preventing periodontitis from recurring and is a preferred prosthesis for dentition defect with periodontitis.

Dental Abutments↗
PubMed1991

[Rehabilitation of partially edentulous cases with telescope crowns: modified, fully veneered tapered crowns].

Telescope crowns are well established as prosthodontic retainers for removable partial dentures. After a short review of the advantages and disadvantages of telescope crowns, the specifies of tapered crowns are described. By the use of appropriate tooth preparation and the fabrication of modified, fully resin-veneered tapered crowns, it is possible to improve on the crown contours and the aesthetics provided by conventional tapered crowns. Periodontal prophylactic conditions are also considered.

Aged↗
PubMed1991

[Use of telescopic crowns for rehabilitation with removable dentures. 1. Principles].

This paper sheds light on retention systems using telescope crowns in fixed and removable partial denture prosthodontics. Although relatively old in concept, these procedures are enjoying renewed interest due to the considerable progress made in precision machining at the dental laboratories. The use of these rehabilitations, simple to understand, nonetheless requires absolute precision regarding their achievement. The practitioner and dental technician must bring to this kind of work a maximum of complementarity; communication must be constant for the reciprocal understanding of the problems faced by each of them. It is important to emphasize the ease of application and the number of solutions proposed by these telescope systems which, despite the ever growing quantity of new techniques must be maintained in the prosthetic and therapeutic possibilities.

Aged↗
PubMedDate not supplied

[Articular-telescopic bridge prosthesis on loose teeth].

A clinical case is described for removable articulartelescopic bridge prosthesis of a defect, restricted distally by loose teeth (II degree of pathological looseness) and 3/4 atrophy of the alveolar bone. Compromised prosthesis has been realized by restriction and equalizing the mobility of the bridge-carriers by an articular and telescopic connection. Bulagarian articular elements have been used (TCE) for a soft contact and stabilization and sinking conical telescopes.

Denture Design↗
PubMed1989

Corrective femoral osteotomy and telescopic nailing in osteogenesis imperfecta.

Six cases of osteogenesis imperfecta with femoral deformity treated by Bailey telescopic nailing are discussed. In 4 cases the operation was bilateral. The long-term results show that this nail lengthens without compromising longitudinal growth of the bone, while providing protection from fracture and recurrence of the deformity. Thinning of the diaphyseal cortex was a significant complication in 3 femurs out of 10. Although it is more difficult to apply, the telescopic nail is preferable to traditional nailing because of its better mechanical features which allow for early weightbearing and walking.

Bone Nails↗
PubMed1986

The spectacle magnification of focal telescopes.

A generalized expression for spectacle magnification is derived and used to determine the magnification of focal telescopes used to correct ametropia and/or to view objects at finite distances. When applied to low-powered hand-held telescopes, the expression predicts a clinically negligible difference between spectacle and nominal magnification.

Eyeglasses↗
PubMed1985

Use of protected telescoping brush system in the management of bacterial pulmonary infection in intubated patients.

The diagnosis of pulmonary infection remains a major problem in the management of intubated patients with respiratory failure. We performed fibreoptic bronchoscopy and protected telescoping catheter brushing in 25 such patients, in order to assess the role of this technique in the diagnosis of bacterial pulmonary infection. All patients were intubated, demonstrated lung field opacities on chest radiograph and 23 had bacteria grown from tracheal aspirate culture. A single microorganism was recovered from plugged telescoping catheter (PTC) brush in eight patients, two or more organisms in nine patients and eight had a sterile culture. These results led to a specific management decision in 13 patients. All patients were ventilated with positive pressure and a pneumothorax, attributable to the procedure, developed in two. The difficulties in assessing the sensitivity and specificity of this technique in human studies are outlined. This procedure appears to have a useful role in the diagnosis of pneumonia in these patients and in further evaluating the importance of bacterial colonization of the airways and its relationship to parenchymal lung infection.

Adolescent↗
PubMed1982

Use of telescopic imaging in intravital microscopy: a simple solution for conventional microscopes.

Conventional microscopes can be adapted for telescopic imaging by using a projection eyepiece which focuses the image formed by a standard microscope objective at such a large distance that light emanating from points on the object leaves the eyepiece as parallel bundles. A telescopic transfer lens forms the final image in its focal plane independent of the distance between the eyepiece and the transfer lens. In the system reported in this paper, the distance between the eyepiece and transfer lens can be varied from 0 to 280 mm without appreciable vignetting or image degradation for imaging on 35 mm film or smaller formats. This allows great flexibility in the vertical location of the plane of observation while permitting rigid fixation of the recording system-transfer lens combination. By use of a 45 degrees rotatable mirror between the transfer lens and the recording systems, two or more recording systems can be securely mounted and adjusted in advance and rapid selection among them can be made during the course of an experiment.

Microscopy↗
PubMed1996

Retrieving cemented telescopic prostheses: technical note.

Advantages of telescopic prostheses are in maintenance, repair, alteration, conversion, and offsetting problems of parallelism. A cemented telescopic implant prosthesis can be retrieved by incorporating a window or recess in the copings during the wax-up and using a flat-ended instrument for disengagement of the prosthesis.

Crowns↗