Oral health behavior and risks during pregnancy and after birth affect the oral health of babies and toddlers. We examined the oral and gingival health and caries prevalence of 150 postpartum women shortly after giving birth and assessed their knowledge of oral hygiene using a questionnaire. We also compared the oral health knowledge of nulliparous and multiparous women. Although most participants (98.0%) understood the importance of maintaining oral hygiene in children, their overall knowledge of oral health was medium–low, regardless of the number of previous pregnancies. Only 4.6% of women received oral health advice from their obstetrician during their pregnancy. Most participants had a high gingival index score, which correlated with dental pain during pregnancy. In contrast, the number of decayed, missing and filled teeth was significantly lower in first-time mothers. There was a statistically significant positive correlation between women who regularly visit their dentist and those who regularly take their children to the dentist. Expecting mothers should be educated about their own oral health and that of their developing fetus and children. Raising awareness among obstetricians with regards to this topic may be an effective way to achieve this.
Geneseeq Prime 425-gene panel, at a mean coverage depth of 4892X (with a deduplicated mean coverage depth of 2108X). Result: Systemic tumour burden correlated with the detection of genomic alterations in cfDNA: Four of four of the patients with low tumour burden, despite minor disease progression, exhibited minimal EGFR and co-mutation allele frequencies (AFs). Conversely, significant increases in systemic (but not central nervous system) tumour burden led to increases in driver and co-mutation AFs (two our of three patients). EGFR C797S mutation and inactivating mutations in RB1 and TP53 were detected in the cfDNA of one patient nearly four months prior to the development of small cell lung cancer (SCLC) transformation confirmed on tissue biopsy with distinct transformed and untransformed areas. Both of the specific RB1 and TP53 mutations found in cfDNA have been previously associated with SCLC. Subsequent combination cisplatin-etoposide chemoradiation resulted in temporary complete remission of the transformed SCLC, corresponding to loss of RB1 mutation detection by cfDNA testing. Conclusion: Profiling of plasma cfDNA using hybrid capture deep sequencing of a large gene panel can detect early subclinical transformation of EGFR-mutated lung cancer into small cell lung cancer (i.e., neuroendocrine transformation), leading to earlier diagnosis and management of the transformed disease. Serial liquid biopsy profiling can also be used to monitor disease progression. However, detection sensitivity of tumour cfDNA largely depends on systemic tumour burden.
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