Joshi Suyash S, Ninawe Nupur S, Reddy Banda Naveen, Gala Urvi, Doiphode Avani, Honaje Nilam
Department of Pediatric and Preventive Dentistry, Government Dental College and Hospital, Nagpur, IND.
Department of Pediatric and Preventive Dentistry, Ibn Sina National College for Medical Studies, Jeddah, SAU.
Cureus. 2023 Sep 6;15(9):e44795. doi: 10.7759/cureus.44795. eCollection 2023 Sep.
This study aimed to compare the effects of applying various remineralizing agents before and after acid etching on the enamel-bracket shear bond strength (SBS) in vitro. These agents included silver diamine fluoride (SDF), casein phosphopeptide-amorphous calcium phosphate (CPP-ACP), and 5% sodium fluoride (5% NaF).
All the selected teeth were divided equally into six subgroups depending on before and after acid etching and one separate control group for the in vitro study design. Eighty-four extracted premolar teeth (12 teeth in each group x seven groups, including the control group). Before acid etching, teeth in groups A1, B1, and C1 were given SDF, CPP-ACP paste, and 5% NaF, respectively. Following acid etching, all of the teeth in Groups A2, B2, and C2 received the same preventative treatments. After that, the SBS of the bonded brackets to the enamel was evaluated.
The CPP-ACP group, control group, and SDF group had the highest values for SBS prior to acid etching.The 5% NaF group had the weakest bonds, and the difference between the groups was statistically significant. The CPP-ACP group had the highest SBS following acid etching, followed by the 5% NaF group. The least bond strength was seen in the SDF group, and the difference between the three groups was significant.
When it comes to bonding orthodontic brackets, the CPP-ACP pretreatment is superior to fluoride pretreatment in terms of effectiveness. The use of these remineralizing agents resulted in favorable values that did not have any effect on the SBS and were therefore safe to use with orthodontic brackets.
本研究旨在比较在体外酸蚀前后应用各种再矿化剂对釉质-托槽剪切粘结强度（SBS）的影响。这些试剂包括氟化银胺（SDF）、酪蛋白磷酸肽-无定形磷酸钙（CPP-ACP）和5%氟化钠（5% NaF）。
根据酸蚀前后将所有选定的牙齿平均分为六个亚组，并设立一个单独的对照组用于体外研究设计。84颗拔除的前磨牙（每组12颗牙齿×七个组，包括对照组）。在酸蚀前，A1组、B1组和C1组的牙齿分别给予SDF、CPP-ACP糊剂和5% NaF。酸蚀后，A2组、B2组和C2组的所有牙齿接受相同的预防性治疗。之后，评估粘结托槽与釉质的SBS。
CPP-ACP组、对照组和SDF组在酸蚀前的SBS值最高。5% NaF组的粘结最弱，组间差异具有统计学意义。酸蚀后CPP-ACP组的SBS最高，其次是5% NaF组。SDF组的粘结强度最低，三组之间差异显著。
在粘结正畸托槽方面，CPP-ACP预处理在有效性方面优于氟化物预处理。使用这些再矿化剂产生的良好值对SBS没有任何影响，因此与正畸托槽一起使用是安全的。
