Search PubMed⌕ Search

Biomedical subjects

P Reichart

Publications and source records attributed to P Reichart.

At least 73 records · Page 4Linked to original sources
PubMed1983

Three-dimensional stress distribution around a dental implant at different stages of interface development.

An anchor-type ceramic dental implant contained in a section of the mandibular molar region was modeled for finite element stress analysis. The distributions of stresses in the bone around the implant due to axial and transverse loading were calculated for different stages of normal and pathological development of the implant-bone interface. Highest stress concentrations are observed in the crestal region with transverse loading when spongy bone surrounds the implant immediately after surgery. Development of a lamina dura around the implant slightly reduces severe stress peaks, whereas ingrowth of connective tissue almost eliminates them.

Aluminum Oxide↗
PubMed1980

The involvement of the liver in Sjögren's syndrome.

Liver involvement in Sjögren's syndrome is little known in oral medicine. The involvement of the oral cavity and salivary glands is often diagnosed as an additional symptom during a general internal examination. This study shows that, even in the case of extensive liver involvement with considerable hepatic enzyme alterations, complaints in the mouth and jaw region can initially lead the patient to seek the advice of a dentist.

Female↗
PubMed1980

[A contribution to the general and specific pathology of benign odontogenic tumors].

The genesis of benign odontogenic tumours may only be understood by examining the histo- and organogenesis of tooth development. In this way, "ectomesenchymal" cells (odontoblasts and cementoblasts) can be clearly distinguished from the usual cells of the mesenchyma, as inductive effect closely connects them with ameloblasts. The influence on tumour morphology can also be shown, according to which the structureforming, metabolic and inductive powers of differentiation of the orthological mother tissue are maintained and remain effective. Combining in pairs the four histogenetic cell groups (epithelial, ectomesenchymal, neuroectodermal and mesenchymal) facilitates systematic classification and understanding of the various types of odontogenic tumours. Based on the biological characteristics of these tumours, neoplasms may be distinquished, one group of tumours more dependent on the phases of odontogenesis in contrast to a group of autonomous tumours. In this short analysis of different classifications of odontogenic tumours, the principle problems of taxonomy and terminology will be discussed.

Ameloblastoma↗
PubMed1980

[The effect of radionuclides on the rat masticatory organ].

The effects of incorporated radium nuclides were examined clinically, roentgenologically, histologically, gamma-spectrometrically, and autoradiographically in animal experiments. The experimentally induced resorption can be compared with alterations observed with man.

Animals↗
PubMed1979

[Ectodermal dysplasia and exocrine pancreatic insufficiency--a familial syndrome].

A syndrome was observed in two sisters which was characterized by a median defect of the hair of the head, hypoplasia of the ala nasi, absence of the permanent teeth, microdontia of the deciduous teeth, and exocrine insufficiency of the pancreas. This syndrome is probably autosomal regressive; the symptoms are similar to those of Johanson-Blizzard syndrome.

Child↗
PubMed1978

[Selfinduced gingival mutilations--a diagnostic and therapeutic problem].

A case of factitial gingival traumatism and trichotillomania in a hysteric 28-year-old female patient is reported. During a period of 31 months the patient presented with gingival necrosis which involved the lingual aspects of all four quadrants respectively. A wide range of diagnostical aids failed to enlighten the nature of the lesions until the patient developed an alopecia capitis which was typical for hysteric trichotillomania. The diagnostical and therapeutical aspects of selfmutilation in hysteria are discussed.

Adult↗