Abstract
Primary molars with furcation lesions have a negative impact on the child's quality of life. We determined the prevalence of furcation lesions and their influence on the root resorption process in primary molars. It is Cross-sectional study of patients aged 3 to 12 years that was apply a health questionnaire was applied and the teeth were submitted to physical examination using the International Caries Detection and Assessment System (ICDAS) and periapical radiography. Criteria for radiographic interpretation were established and assessments performed by three different specialists. The kappa coefficient measured interexaminer agreement and level of significance of 5% was adopted for all tests. The sample consisted of 26 patients and 50 primary molars. The second molar received ICDAS score 6 in 38.5% of the sample. The interexaminer agreement was almost perfect between the radiologist and pediatric dentist for caries depth on the mesial (K=0.97) and occlusal surface (K=0.97); In root resorption for mesial (K=0.89) and distal (K=0.93). The detection of furcation lesions was present in 42.3% of the sample; 50% of the teeth had at least 1/3 of the mesial root resorbed and 75% of the distal root and the presence of furcation lesions in primary molars influenced root resorption.
Highlights
Physiologic tooth resorption is essential during the process of rhizolysis of primary teeth, which results in their exfoliation and in the subsequent eruption of the permanent successors (Consolaro 2011; Harokopakis-Hajishengallis 2007, Mulia, Indiarti & Budiarjo 2018)
When a primary molar suffers pulp aggression, foramina facilitate invasion of the inter-radicular region by products derived from the bacterial metabolism, causing an inflammatory reaction in alveolar bone that results in the destruction of supporting tissues, bone resorption, and clinical attachment loss, a condition called furcation lesion (Lugliè et al 2012; Ringelstein & Seow, 1989; Smaïl-Faugeron et al 2018)
The diagnosis of furcation lesions is made based on the clinical condition of the primary tooth and radiographic examination to identify the degree of root resorption, the condition of the pulp floor, and the mineralization stage of the permanent tooth (Consolaro 2011)
Summary
Physiologic tooth resorption is essential during the process of rhizolysis of primary teeth, which results in their exfoliation and in the subsequent eruption of the permanent successors (Consolaro 2011; Harokopakis-Hajishengallis 2007, Mulia, Indiarti & Budiarjo 2018). When a primary molar suffers pulp aggression, foramina facilitate invasion of the inter-radicular region by products derived from the bacterial metabolism, causing an inflammatory reaction in alveolar bone that results in the destruction of supporting tissues, bone resorption, and clinical attachment loss, a condition called furcation lesion (Lugliè et al 2012; Ringelstein & Seow, 1989; Smaïl-Faugeron et al 2018). Furcation lesions are intimately related to the pericoronary follicle of the permanent tooth germ and can accelerate the root resorption of primary teeth, with consequent tooth loss because of persistence of the inflammatory stimulus and continuing pathologic resorption (Bolan & Rocha 2007; Harokopakis-Hajishengallis 2007; Smaïl-Faugeron et al 2018; Vieira-Andrade et al 2012)
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