geoscience.net logo
+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

Immediate periodontal bone plate changes induced by rapid maxillary expansion in the early mixed dentition: CT findings


, : Immediate periodontal bone plate changes induced by rapid maxillary expansion in the early mixed dentition: CT findings. Dental Press Journal of Orthodontics 19(3): 36-43

This study aimed at evaluating buccal and lingual bone plate changes caused by rapid maxillary expansion (RME) in the mixed dentition by means of computed tomography (CT). The sample comprised spiral CT exams taken from 22 mixed dentition patients from 6 to 9 years of age (mean age of 8.1 years) presenting constricted maxillary arch treated with Haas-type expanders. Patients were submitted to spiral CT scan before expansion and after the screw activation period with a 30-day interval between T1 and T2. Multiplanar reconstruction was used to measure buccal and lingual bone plate thickness and buccal bone crest level of maxillary posterior deciduous and permanent teeth. Changes induced by expansion were evaluated using paired t test (p < 0.05). Thickness of buccal and lingual bone plates of posterior teeth remained unchanged during the expansion period, except for deciduous second molars, which showed a slight reduction in bone thickness at the distal region of its buccal aspect. Buccal bone dehiscences were not observed in the supporting teeth after expansion. RME performed in mixed dentition did not produce immediate undesirable effects on periodontal bone tissues.

US$29.90

PMID: 25162564


Other references

Schnaufer, C.; Breer, H.; Fleischer, J., 2009: Outgrowing olfactory axons contain the Reelin receptor VLDLR and navigate through the Reelin-rich cribriform mesenchyme. Chemosensory neurons in the olfactory epithelium (OE) project axonal processes to the olfactory bulb (OB) of the brain. During embryonic stages, on their trajectory to the OB, the outgrowing axons traverse the so-called cribriform mesenchyme, whic...

Shmat'-Ko, I.; Syrovatko, V.; Antonenko, T., 1987: Transport and redistribution of tritium-containing water between apoplast and symplast with different water supply of maize tissues. Fiziologiia i biokhimiia kul'turnykh rastenii = Physiology and biochemistry of cultivated plants 19(4): 396-403

King, B.F., 1982: Morphologic and cytochemical identification of microperoxisomes in human and non-human primate placental trophoblast. Human and non-human primate placental villi (near term) were incubated in an alkaline 3,3' diaminobenzidine (DAB) medium to identify the distribution of microperoxisomes in these tissues. Catalase-positive microperoxisomes were present in sma...

Ogata, K.; Yamauchi, N.; Minamide, T., 1975: Physiological and chemical studies on ascorbic acid in fruits and vegetables. I. Changes of ascorbic acid content during maturation and storage of Okra. L-Ascorbic acid and L-dehydroascorbic acid contents declined during maturation and total ascorbic acid content at harvest was about 30 mg/100g fresh weight. Ascorbic acid content in okra grown in the open was higher than in greenhouse-grown pods,...

Wahab, M.F.; Robertson, R.P.; Raasch, F.O., 1969: Paratyphoid A fever. Annals of Internal Medicine 70(5): 913-917

Masuzawa G., 1988: Anomalous hand and nail deformities. The author has examined nail deformities recognized as being cases of an anomalous hand, comparing them with reference to similar case reports presented in the past, and has arranged the results of his examination on the basis of Iso's morpho...

D.GuoZhu, 1996: The model, background and policy of foreign agricultural insurance. The systems of agricultural insurance in various countries were discussed including those of the USA and Japan, the systems of Western Europe with special reference to Germany, and those of Asian countries and Central and South America. The degree...

Jana B.B.; Manna A.K., 1985: Color discrimination in 3 air breathing teleosts. Hue-discriminatory capacity was tested in 3 air-breathing teleosts, Channa punctatus, Clarias batrachus and Heteropneustes fossilis. Channa with well-developed eyes and efficiency of vision was successfully trained to discriminate red from green,...

Finnegan K.T.; Delanney L.E.; Irwin I.; Ricaurte G.A.; Langston J.W., 1988: The ne depleting effects of dsp 4 are not mao b dependent and do not increase with age. Society for Neuroscience Abstracts 14(1): 774

MacDonald, M.J.; Brown, L.J.; Hasan, N.M.; Stoffel, M.; Dills, D.G., 1997: Single-stranded conformational polymorphism analysis of the mitochondrial glycerol phosphate dehydrogenase gene in NIDDM. Diabetes 46(10): 1660-1661