外伤年轻恒牙行牙髓再生治疗的研究进展

[中图分类号]R781.05[文献标志码]A [doi]10.7518/gjkq.2025065

[Abstract]Trauma can easilylead topulp necrosisandperiapical periodontitis in immature permanent teeth，and the roots thenstopdeveloping.Atthis time，immaturepermanentteetharecharacterizedbyopenapicalforamina，thinrotcanalwals，andshortrootsthataffecttheirretentionandfunctionintheoralcavityRegenerativeendodonticsisatreatment thatcanpromote thecontinuous development oftheroots of immature permanentteth.This procedure has significant clinicalsignificance in the healingof periapicallesionsandthe closureof apical foraminaas well as in increasingthe length of the rootsand the thicknessof therootcanalwals.Although most studies reported a high successrate for this procedure，failure mayoccur，including persistentrootresorptionandpersistentperiapical inflammation.Inthis paper，we provide a systematicreviewof regenerative endodontics for traumatized immature permanentteth in termsof the treat

ment process，biological rationale，clinical outcomes， andanalysisofcasesoftreatment failure to providetheoretical basis forclinicians.

[Key words]dental trauma;immature permanent teeth；pulp necrosis and periapical periodontitis;regenerative endodonticsprocedure

牙外伤是指外力作用导致牙体硬组织、牙髓组织及牙周组织损伤，外伤年轻恒牙易发生牙髓坏死及根尖周炎，因牙根未发育完全影响其在口腔内的存留和功能行使。（剩余24954字）