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Effect of Final Irrigation Materials and Techniques on Apical Sealing Ability of Bioceramic Sealer Monika, Asteria; Ratih, Diatri Nari; Hadriyanto, Wignyo
Odonto : Dental Journal Vol 12, No 3 (2025): December 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.3.300-309

Background: One crucial function of root canal irrigation is eliminating smear layer, thus increasing apical sealing ability of endodontic sealers. This study was conducted to compare the effect of final irrigation using 17% EDTA, novel silver citrate, and 0.2% chitosan nanoparticles agitated manually, sonically, and ultrasonically on apical sealing ability of bioceramic sealers in the apical third.Method: Forty-five mandibular premolars were prepared and randomly divided into three experimental groups (n=15). Group 1 used 17% EDTA as the final irrigation, group 2 used novel silver citrate, and group 3 used 0.2% nanoparticle chitosan. Each group was divided into three subgroups (n=5), with subgroup A was using manual agitation, subgroup B using sonic, and subgroup C using ultrasonic. All teeth were obturated using single cone and bioceramic sealers. Observations were made using 120x magnification SEM. The sealer's apical sealing ability was measured by comparing cross-sectional area of obturation area with cross-sectional area of preparation area in the apical third.Result: Results of two-way ANOVA showed that there was a significant difference in final irrigation material (p<0.05), but there was no significant difference in technique and interaction of final irrigation material and technique (p>0.05).Conclusion: Irrigation materials affected the apical sealing ability of bioceramic sealers in the apical third, and 0.2% chitosan nanoparticles produced the highest apical sealing ability than other groups. There is no difference in effect of final irrigation technique and the interaction of materials and final irrigation technique on apical sealing ability of bioceramic sealers in the apical third.

Effect of Final Irrigation Materials and Techniques on Apical Sealing Ability of Bioceramic Sealer Monika, Asteria; Ratih, Diatri Nari; Hadriyanto, Wignyo
Odonto : Dental Journal Vol 12, No 3 (2025): December 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.3.300-309

Background: One crucial function of root canal irrigation is eliminating smear layer, thus increasing apical sealing ability of endodontic sealers. This study was conducted to compare the effect of final irrigation using 17% EDTA, novel silver citrate, and 0.2% chitosan nanoparticles agitated manually, sonically, and ultrasonically on apical sealing ability of bioceramic sealers in the apical third.Method: Forty-five mandibular premolars were prepared and randomly divided into three experimental groups (n=15). Group 1 used 17% EDTA as the final irrigation, group 2 used novel silver citrate, and group 3 used 0.2% nanoparticle chitosan. Each group was divided into three subgroups (n=5), with subgroup A was using manual agitation, subgroup B using sonic, and subgroup C using ultrasonic. All teeth were obturated using single cone and bioceramic sealers. Observations were made using 120x magnification SEM. The sealer's apical sealing ability was measured by comparing cross-sectional area of obturation area with cross-sectional area of preparation area in the apical third.Result: Results of two-way ANOVA showed that there was a significant difference in final irrigation material (p<0.05), but there was no significant difference in technique and interaction of final irrigation material and technique (p>0.05).Conclusion: Irrigation materials affected the apical sealing ability of bioceramic sealers in the apical third, and 0.2% chitosan nanoparticles produced the highest apical sealing ability than other groups. There is no difference in effect of final irrigation technique and the interaction of materials and final irrigation technique on apical sealing ability of bioceramic sealers in the apical third.

Effect of light-curing techniques and preheated composite types as luting agents on lithium disilicate bond strength Ekatra, Wanda Septya; Untara, Tri Endra; Ratih, Diatri Nari
Majalah Kedokteran Gigi Indonesia Vol 11, No 3 (2025): December
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.104948

he bond strength between lithium disilicate veneers and tooth structure depends on factors such as curing technique and luting agent. Preheated composite resins have been proposed as alternative luting agents due to their favorable mechanical and polymerization properties. This study aimed to evaluate the effects of conventional, ramp, and pulse light-curing techniques on the shear bond strength of lithium disilicate when preheated microhybrid and nanohybrid composite resins were used as luting agents. Forty-two maxillary premolars were prepared and randomly assigned to six groups (n = 7) based on the combination of luting agent and light-curing technique: IA (microhybrid–conventional), IB (microhybrid–ramp), IC (microhybrid–pulse), IIA (nanohybrid–conventional), IIB (nanohybrid–ramp), and IIC (nanohybrid–pulse). Lithium disilicate veneers were cemented accordingly, and shear bond strength was evaluated. Results from a two-way ANOVA indicated a significant effect of the type of preheated composite resin on the shear bond strength of lithium disilicate (p < 0.05), while no significant effect of light-curing technique was observed (p > 0.05). This study confirmed that preheated microhybrid composite resin produces greater shear bond strength compared to preheated nanohybrid composite resin. Light-curing technique does not significantly affect the shearbond strength of lithium disilicate.

Orthodontic retreatment of Class II, Division 1 malocclusion with microdontia using an interdisciplinary approach: A case report Ryza Yasha; Sarah Fitria Romadhoni; Pinandi Sri Pudyani; Ananto Ali Alhasyimi; Francisco José Vázquez-Santos; Hasna Syifa Yuniva; Diatri Nari Ratih
Dental Journal (Majalah Kedokteran Gigi) Vol. 59 No. 2 (2026): June
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/j.djmkg.v59.i2.p193-199

Background: Orthodontic treatment failure and unstable treatment results can lead to orthodontic retreatment. Excessive overjet, convexity, and upper and lower lip protrusion are common in Class II malocclusion. When combined with microdontia (smaller-than-average teeth), it presents unique challenges. Purpose: To describe retreatment of Class II, Division 1 malocclusion with microdontia using orthodontic and conservative approaches. Case: A 25-year-old female patient with a skeletal Class II relationship with bimaxillary retrognathism and protrusion of the lower incisors. An intraoral examination showed a Class II molar relationship on the right side, a deep overbite (5.47 mm), a large overjet (5.33 mm), multiple diastemas, and microdontia in tooth 22. Teeth #14, #24, #34, and 44 were extracted during a previous orthodontic treatment. Case management: Orthodontic retreatment was initiated with bracket placement using the edgewise technique. A multiloop archwire was installed to achieve leveling and alignment with a 0.14-inch stainless steel round archwire. Treatment involved bite opening with L loops, mesialization of teeth #11, #21, #12, and #22, retraction of the anterior segment, finishing, and root paralleling. After 22 months of orthodontic treatment, the brackets were debonded, and the patient received direct composite veneer treatment to reshape teeth #12 and #22. Post-retreatment facial evaluation showed a significant improvement in overall facial harmony. Intraoral examination showed Class I molar and canine relationships, good interdigitation, and adequate overbite (2.9 mm) and overjet (3.2 mm). Conclusion: Orthodontic retreatment of a Class II, Division 1 malocclusion with microdontia, when combined with conservative approaches, can significantly improve the patient’s facial profile and stomatognathic function.

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