Biomedical subjects
I Kaffe
Publications and source records attributed to I Kaffe.
Pain and anxiety in the dental office and the role of the dental assistant.
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Foreign bodies in the orofacial region.
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Foreign bodies of dental origin in the alimentary and respiratory tracts.
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Radiographic survey of the prevalence of conical lower second molar.
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Clinical evaluation of a bitewing film holder.
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Zygomatic arch interference with correct radiographic diagnosis in maxillary molar endodontics.
Five hundred twenty-four periapical radiographs taken with the bisecting-angle technique were evaluated for interference of the zygomatic arch with the apical third of the roots of the first and second upper molars. The number of interferences around the second molar apices was much larger (42 percent average) than those around the first molar apices (20 percent average). For endodontic radiographic diagnosis of the upper two molars, the bisecting-angle technique has proved to be unreliable.
A draining sinus tract of the chin. Report of a case.
A case of a relatively rare occurrence--a draining sinus tract on the chin which originated from an abscessed lower incisor--is presented. The sequence of treatment and mode of healing are discussed, and the importance of an awareness of this phenomenon for the differential diagnosis is stressed.
Talon cusp in deciduous dentition.
Talon cusp is a rare dental anomaly hitherto considered to affect permanent dentition only. A case of talon cusp in a deciduous maxillary incisor is described, suggesting that both dentitions may be affected by this anomaly.
The bitewing roentgenogram and its diagnostic importance.
The role of the bitewing roentgenogram in dentistry is reviewed, including the roentgenographic techniques used, accessories for stabilisation of the film, and execution of the roentgenograph. Common errors in application of the technique are listed. The literature on the bitewing roentgenogram is surveyed and the conclusion stated that this roentgenographic technique is a diagnostic instrument that has no substitute for the purpose of detecting incipient interproximal carious lesions and periodontal diseases in the early stages of affecting the alveolar bone. No dental examination can provide complete diagnosis without bitewing roentgenograms.
An accessory root on the first mandibular molar: case report.
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Marginal leakage in amalgam restorations and its prevention.
Marginal leakage is the penetration of fluids, bacteria and ions into the space existing between all restorative materials and cavity walls. It can cause pulp irritation, colour changes in the tooth and secondary caries, and may result in failure of the restoration. The margins of a fresh amalgam restoration invariably leak. As time passes there is a decrease in marginal leakage related to the production of corrosion products and the spreading of certain materials into the space between the tooth and the restoration. Correct cavity margin preparation and proper condensation of the restorative material minimize marginal leakage round fresh amalgam restorations. Varnish coated on the cavity walls is most important and an indispensable method for preventing marginal leakage.
[The emergency dental clinic of the Israel Dental Association (Tel Aviv branch). A review of the first eight months' work].
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Panoramic radiography in dentistry.
Examples of panoramic radiography equipment in use are briefly reviewed and the differences pointed out between those operating on the principle of tomography and other "panoramic" instruments. The various uses to which panoramic radiography is put are described and the problems involved in using them explained. The advantages and disadvantages of panoramic radiography are listed and comparisons drawn between the degree of clarity and precision for diagnosis obtained with it as against that obtained using normal periapical radiographs.
Panoramic radiography in dentistry.
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Roentgenologic study of the mental foramen.
Locating the mental foramen in periapical radiographs is of great clinical importance. One thousand full-mouth intraoral radiographs were examined, and the location of the mental foramen in both the horizontal and the vertical planes was registered. In the horizontal plane 70 per cent of the mental foramina were found to be located between the two premolars, and 22 per cent were in the apical area of the premolars. In the vertical plane the highest percentage of mental foramina was found to be located superior to the level of the apices of the premolars.
CT of cystic jaw lesions.
OBJECTIVE: Our goal was to compare the efficacy of CT with that of plain film radiography (PFR) in analyzing the three-dimensional shape and structure of cystic jaw lesions. MATERIALS AND METHODS: Twenty patients with cystic lesion of the jaw were studied by PFR and CT. The three-dimensional outline of the cyst and the distances between the cyst wall and adjacent vital teeth, cortical jaw bone, maxillary sinus, and mandibular canal were estimated on PFR and on CT scans. RESULTS: Computed tomography was superior to PFR in the demonstration of the three-dimensional bony margins of the cyst and in determination of its proximity to adjacent vital structures (p < 0.01, sign test). CONCLUSION: Application of CT is useful for diagnosis and treatment planning of cystic lesions of the jaws.