Differences among oral carcinomas arising de novo from those associated with oral potentially malignant disorders: a systematic review and meta-analysis.

Objective: To analyze the frequency of sequential oral squamous cell carcinomas (s-OSCC), preceded by oral potentially malignant disorders, and OSCC de novo (OSCC-dn) and explore differences in their clinicopathologic presentations.

Study Design: A structured electronic search strategy identified studies that analyzed frequency, clinical, biological, demographic, biomarkers, and prognostic features of s-OSCC and OSCC-dn according to PRISMA guidelines in PubMed, Scopus, Cochrane Library, and Google Scholar, up to January 31, 2023. Inclusion criteria were original English, Spanish, Portuguese, French, Italian, and German cross-sectional, cohort, and case-control studies.

Chronic mechanical irritation enhances the effect of tobacco and alcohol on the risk of oral squamous cell carcinoma: a case-control study in Argentina.

Objectives: Oral squamous cell carcinoma (OSCC) is a multifactorial disease. The individual effect of each risk factor for OSCC may be conditioned by the frequency of other factors. The objective of this study was to identify the association between chronic mechanical irritation (CMI) and OSCC and to analyse the influence of CMI on other important risk factors for OSCC.

[Effect of the accumulation of risk factors on the risk of oral squamous cell carcinoma].

Introduction: the causative factors of oral squamous cell carcinoma are not necessary and not sufficient causes, even the most accepted ones, such as tobacco and alcohol. Little is known about the cumulative effect of all risk factors for oral cancer. The objective of this work was to analyze whether the sum of oral cancer risk factors is associated with an increase in its risk.

Characterization of Chronic Mechanical Irritation in Oral Cancer.

. Oral mucosa could host many lesions originated by chronic mechanical irritation (CMI) from teeth or dentures, and it has been proposed as risk factor for oral cancer. Nevertheless, the features of CMI factors in oral cancer and other lesions are not assessed.

Characterization of maxillary central incisor: novel crown-root relationships.

Objectives: The periodontal biotype includes crown features of the maxillary central incisor (MCI), whereas root measures have been less studied. The aim of our study was to morphologically characterize MCI and search relationships between crown and root measures.

Material And Methods: One hundred-fifty MCIs were used.

Oral varix: a review.

Background: Ageing produces several changes on the oral cavity, and oral varix (OV) is among the most common, and they are related with some medical diseases; however, this association is not clear.

Objective: The aim of this article is to offer a review of OV, regarding aetiology, clinical and histological features, associated factors, treatment and its clinical significance.

Conclusion: Except for a higher incidence of OV in elder individuals, there is limited evidence that supports its relationship with medical conditions such us cardiovascular diseases or portal hypertension.

Assessment of maxillary central incisor crown form.

Incisor crown form is thought to be associated with different periodontal features, and it is hypothesized that there are measures of the maxillary central incisor that can be used to characterize its form. The aim of this study was to assess maxillary central incisor crown dimensions to determine morphologic groups. One-hundred fifty sound maxillary central incisors without excessive evidence of incisal wear were utilized.

Relationship between chronic trauma of the oral mucosa, oral potentially malignant disorders and oral cancer.

Background: Oral cancer represents 2%-5% of all cancers, being one of the 10 most frequent ones. Apart from oral cancer risk factors already described in literature, such as tobacco and alcohol consumption, others emerging risk factors have been proposed, such as chronic irritation from dental factors. The aim of this work was to assess the influence of chronic trauma of the oral mucosa (CTOM) in patients with oral potentially malignant disorders (OPMD) and cancer.