Effects of Primary Tooth with Periapical Periodontitis on Permanent Successor by Imaging Studies

doi:10.13701/j.cnki.kqyxyj.2021.11.008

Abstract

Abstract: Objective: To evaluate dental anomalies in permanent teeth as a result of periapical periodontitis concerning the predecessor primary teeth. Methods: A total of 148 panoramic radiographs of children within the age range of 3 to 10 years were collected and 175 mandibular first primary molar with chronic periapical periodontitis (95 males and 80 females) were analyzed. All permanent successor were scored according to Nolla's method and compared with normal ones' of each age. The percentage of dental malposition and malformation were analyzed. The primary molar and dental follicle were scored and analyzed. Results: The dental scores of permanent successor were different from normal teeth. The differences were significant in many groups (aged in 4, 7, and 8 groups for males and 6, 7, and 9 for females, P<0.05). The percentage of permanent successor involved with dental follicle broken, malposition, and malformation were 78.94%, 42.1%, and 8.42% for male, and 82.50%, 38.75%, and 15.00% for female, respectively (P>0.05). No correlation was found between the damage level of deciduous teeth and dental follicle. Conclusion: Primary tooth with periapical periodontitis can lead to development anomaly, either acceleration or deceleration. It can also lead to malposition and malformation, which is not depended on the damage level of deciduous teeth.

Key words: primary tooth with periapical periodontitis, permanent successor, dental development

LI Ling, YANG Xihu, LI Jun. Effects of Primary Tooth with Periapical Periodontitis on Permanent Successor by Imaging Studies[J]. Journal of Oral Science Research, 2021, 37(11): 994-998.

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