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Frequency severity of gingival recessions was studied with Stahl and Morris indices. The results showed that the localization of gingival recession was more important on the mandible (37%) than on the maxillary (27.6%) it, also demonstrated the importance of various etiologies and particularly the association of trauma - tooth malposition (81%).
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A clinical x-ray examination of teenagers in the age of 16-18 had been done in this submitted work as well as the clinical process of the complicated eruption of the lower third molars and all the complications connected with it were analysed at the same time. Therapeutic-prophylactical measures were worked out with the help of examinations which were carried out.
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A case is presented in which orthodontic treatment was applied to correct the axial inclination of a dilacerated maxillary central incisor. Also, it is considered that after a 24 month clinical and post-operative radiographic follow-up of the case the vitality of the tooth is maintained and the root resorption avoided.
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A clinical case of dental transposition and inclusion is described and discussed.
The alignment times of buccally displaced maxillary canines following first premolar extractions were studied in 2 groups. The control group (n = 28) comprised of cases where no appliances were used while the experimental group (n = 28) had Begg brackets bonded on the upper teeth in conjunction with Sentalloy archwire. The imbrication indices (I.I.) of all canines were recorded for both groups prior to extraction and every 5 days after extractions until the canines aligned. The results indicated that there was no significant difference in the alignment rate at 30 days and 60 days between the 2 groups. However, the alignment rates at 90 and 120 days were both significantly faster in the experimental compared to the control group (p less than 0.01). While the alignment rates at 30, 60, 90 and 120 days in the experimental group followed a plateaued curve, the alignment rates in the control group followed a cusped curve. The results indicated that a 2 months self-alignment period following premolar extractions would be justified in most cases before banding.
The natural mechanisms of eruption, mesial migration, soft tissue pressure and occlusal forces can be used by the dentist to treat malocclusion in the growing child. The author describes how planned extractions of deciduous and permanent teeth can be employed to resolve crowding, promote spontaneous alignment, and avoid centreline displacement.
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Hitherto several micromanifestations could be recognized as signals of pathognomic etiological factors indicative of aplasia, or, better, as disposition to disorders of the odontogenetic organs. Such microsymptoms are reduction of size, especially observed in upper lateral incisors (peg-shaped teeth), delayed mineralization, and dystopia of tooth-germs. Our findings suggest that many further phenomena belong to the same group of micromanifestations such as supernumerary teeth, either of typical or atypical shape (mesiodentes), supernumerary cusps and roots, gemination and fusion of teeth, infraposition of deciduous molars with a tendency to inclusion, just as undermining resorption of the (upper) second deciduous molar caused by the first molar, and, last but not least, a large distance of the germ of the (lower) second molar from the first molar as well as retention of those teeth. Such micromanifestations are theoretically important as clues on the trail of hereditary and practically useful as indicators of hyper- and hypodontia and dystopias in the same patient or among his close relatives.
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A case of inclusion and ectopia of a superior incisor resolved with the aid of a removable apparatus in reported.
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