The Influence of Different Micro-Invasive Methods on Mid-Palatal Suture Separation With Rapid Maxillary Expansion in Late Adolescence: A Randomized Clinical Trial
试验速览
- 阶段
- 不适用
- 状态
- 尚未招募
- 入组人数
- 27
- 主要终点
- CBCT Outcomes
研究概览
简要总结
This trial aims to evaluate the effect of different micro-invasive methods (piezoelectric and micro-osteoperforation) along with tooth-tooth borne RPE compare to tooth-bone borne MARPE on the amount of mid-palatal sutural separation in late adolescent patients. Null Hypothesis There is no effect of adjunctive micro-invasive methods (piezoelectric and microosteoperforation) on mid-palatal suture separation with tooth-tooth borne RPE appliance compared to tooth-bone borne MARPE
详细描述
IMTD is commonly encountered in clinical practice and is treated using tooth-borne RME. Adult patients undergoing orthodontic treatment with tooth-borne RME frequently experience slight skeletal expansion, extrusion of posterior teeth, inability to open the palatal suture, and treatment relapse. Applying expansion forces directly to the midpalatal suture with bone-borne RME miniscrew implants is an alternative method. These bone-borne RME devices had more excellent orthopedic effects and fewer dentoalveolar side effects than their tooth-borne counterparts. Several factors, including the activation rate, influence the efficacy of RME residing in bone, such as the activation rate.
Clinical activation procedures for tooth-borne RME may not apply to bone-borne infections. As there is no existing consensus on standards for bone-borne RME, it is necessary to investigate expansion methods for these devices. In addition, the quality and amount of bone production rely on the rate of sutural growth, albeit to a lesser extent. A higher expansion rate has been related to increased sutural separation. However, the exact nature of this association and the most remarkable instantaneous expansion feasible without affecting sutural bone development have not been determined.
Using direct pressures with maximum instantaneous expansion to open mature midpalatal sutures can result in significant sutural stresses, and varied MTD is commonly observed clinically and controlled with tooth-borne RME. Adult patients undergoing orthodontic treatment with tooth-borne RME frequently experience slight skeletal expansion, extrusion of posterior teeth, inability to open the palatal suture, and treatment relapse. Applying expansion forces directly to the midpalatal suture with bone-borne RME miniscrew implants is an alternative method. These bone-borne RME appliances produced more robust orthopedic results and fewer dentoalveolar side effects than tooth-borne ones. Several parameters, including activation rate, influence the effectiveness ofbone-borne RME.
Clinical activation techniques for tooth-borne RME might not apply to bone-borne RME. As there is no current consensus on standards for bone-borne RME, expansion techniques for these devices require exploration. In addition, the rate of sutural expansion influences the quality and amount of bone production, albeit to a lesser extent. Although a faster expansion rate has been related to more significant sutural separation, the exact nature of this association and the most remarkable instantaneous expansion feasible without impairing sutural bone development have not been determined. Nonetheless, using direct forces with the maximal immediate expansion to open mature midpalatal sutures might result in substantial sutural strains and varying degrees of pain. SARME was utilized to assist transverse maxillary expansion in older individuals to alleviate high sutural tension and discomfort.
It has been discovered that the midpalatal suture offers the most resistance to maxillary expansion. For successful maxillary expansion in adult patients, it is necessary to overcome bone resistance at the midpalatal suture. Numerous techniques for simplifying, securing, and improving the predictability of surgical treatments for SARME, such as piezoelectric corticotomy, have been recently investigated. The latter dramatically minimises the traumatic side effects, surgical site bleeding, and procedure and healing time associated with conventional MARPE insertion techniques. During surgery, these instruments' precision enables the creation of precise, clean, and smooth geometries.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Single (Participant)
盲法说明
Due to the nature of the trial, it is impossible to blind the investigator to the group once it is allocated. But the radiologist who uses CBCT will be blinded for the image capturing and thus allow for the blindness of the measurements extracted from the CBCT images that will be made at the soft tissue and skeletal and dental levels.
入排标准
- 年龄范围
- 14 Years 至 20 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Patients with the bilateral maxillary transverse deficiency.
- •Patient referred by orthodontists for SARME or MARPE.
- •Patients with developmental age in stage C or stage D maturation stages .
- •Patients without developmental deformity.
- •Good oral hygiene.
- •Patient with intact maxillary first premolars and first molars.
排除标准
- •Congenital maxillofacial deformities mainly cleft patients.
- •Previous orthodontic and surgical treatment on the maxilla.
- •Maxillary trauma.
- •Previous extraction in the maxillary arch.
- •Patients with periodontal disease.
研究组 & 干预措施
tooth-tooth borne RPE with MOPs
many approaches have been established to speed up orthodontic tooth movement and to decrease adverse effects. These methods are classified as, microinvasive methods include cortectomies and distraction osteogenesis and microinvasive methods include micro-osteoperforations (MOPs) and piezocision Microtrauma to the bone showed increase the synthesis of cytokines and chemokines, which are routinely released when orthodontic forces are applied . As a result, the affected area is undergoing a faster bone regeneration process
干预措施: micro-osteoperforations ,microincision (Procedure)
Tooth-Tooth borne RPE with Piezocision group
Piezosurgery is an ultrasonic micro vibration-based bone cutting method. It used as a careful, promising, and soft tissue sparing method. In addition to its simplicity of use in the clinic, scientific evidence from animal models measuring wound healing and bone formation suggests that, piezosurgery has a better tissue response than traditional bone-cutting procedures
.
干预措施: micro-osteoperforations ,microincision (Procedure)
Tooth-Bone borne RPE group (MARPE)
The MARPE is a RPE device with a rigid element that attached to palate by the aid of miniscrew, exerting the expansion force directly to the maxilla's basal bone
干预措施: micro-osteoperforations ,microincision (Procedure)
结局指标
主要结局
CBCT Outcomes
时间窗: T2:6 months after expansion.
In all groups, CBCT scans will be taken before expansion , immediately after completion of the consolidation period (3month), and 6 month after placement NFW4: Nasal floor width measured at the area of the first premolars, 5 mm above the most inferior part of the nasal floor. NFW6: Nasal floor width measured at the area of the first molars,5 mm above the most inferior part of the nasal floor. PBW4: Palatal bone width measured at the level of a line connecting the palatal root apex of the first premolars. PBW6: Palatal bone width measured at the level of a line connecting the palatal root apex of the first molars. IRD4 (Interdental Root Distance 4): The distance between the palatal root apex of the right and left first premolars. IRD6 (Interdental Root Distance 6): The distance between the palatal root apex of the right and left first molars. ICD4 (Interdental Cusp Distance 4): The distance between the mesiopalatal cusp tip of the right and left first premolars
Intraoral scanner outcomes
时间窗: T2: 6 months after expansion
the use of an intraoral scanner RW1: The arch width defines as the distance in a straight line between the palatal cusp tip of the right and left first premolars. RW2: The arch width defines as the distance in a straight line between the mesiopalatal cusp tip of the right and left first molars. PV: The palatal vault height defines as the vertical distance from the occlusal plane to the median line of the palate in the position connecting the mesiodistal center of the left and right first molars. To assess the inter and intra reliability the arch width and palatal vault height of each patient will be measured three times.
Intraoral scanner outcomes
时间窗: T0: before expansion
the use of an intraoral scanner RW1: The arch width defines as the distance in a straight line between the palatal cusp tip of the right and left first premolars. RW2: The arch width defines as the distance in a straight line between the mesiopalatal cusp tip of the right and left first molars. PV: The palatal vault height defines as the vertical distance from the occlusal plane to the median line of the palate in the position connecting the mesiodistal center of the left and right first molars. To assess the inter and intra reliability the arch width and palatal vault height of each patient will be measured three times.
Intraoral scanner outcomes
时间窗: T1:3 months after expansion
the use of an intraoral scanner RW1: The arch width defines as the distance in a straight line between the palatal cusp tip of the right and left first premolars. RW2: The arch width defines as the distance in a straight line between the mesiopalatal cusp tip of the right and left first molars. PV: The palatal vault height defines as the vertical distance from the occlusal plane to the median line of the palate in the position connecting the mesiodistal center of the left and right first molars. To assess the inter and intra reliability the arch width and palatal vault height of each patient will be measured three times.
CBCT Outcomes
时间窗: T0: before expansion
In all groups, CBCT scans will be taken before expansion , immediately after completion of the consolidation period (3month), and 6 month after placement NFW4: Nasal floor width measured at the area of the first premolars, 5 mm above the most inferior part of the nasal floor. NFW6: Nasal floor width measured at the area of the first molars,5 mm above the most inferior part of the nasal floor. PBW4: Palatal bone width measured at the level of a line connecting the palatal root apex of the first premolars. PBW6: Palatal bone width measured at the level of a line connecting the palatal root apex of the first molars. IRD4 (Interdental Root Distance 4): The distance between the palatal root apex of the right and left first premolars. IRD6 (Interdental Root Distance 6): The distance between the palatal root apex of the right and left first molars. ICD4 (Interdental Cusp Distance 4): The distance between the mesiopalatal cusp tip of the right and left first premolars
CBCT Outcomes
时间窗: T1:3 months after expansion
In all groups, CBCT scans will be taken before expansion , immediately after completion of the consolidation period (3month), and 6 month after placement NFW4: Nasal floor width measured at the area of the first premolars, 5 mm above the most inferior part of the nasal floor. NFW6: Nasal floor width measured at the area of the first molars,5 mm above the most inferior part of the nasal floor. PBW4: Palatal bone width measured at the level of a line connecting the palatal root apex of the first premolars. PBW6: Palatal bone width measured at the level of a line connecting the palatal root apex of the first molars. IRD4 (Interdental Root Distance 4): The distance between the palatal root apex of the right and left first premolars. IRD6 (Interdental Root Distance 6): The distance between the palatal root apex of the right and left first molars. ICD4 (Interdental Cusp Distance 4): The distance between the mesiopalatal cusp tip of the right and left first premolars
次要结局
- Periodontal health(T2:6 months after expansion.)
- Treatment duration(T2: 3 months after expansion)
- Soft tissue impaction(T2:6 months after expansion.)
- Treatment duration(T0: before expansion, T4:3 months after expansion, T5:6 months after expansion.)
- Soft tissue impaction(T1:3 months after expansion)
- Treatment duration(T0: before expansion)
- Treatment duration(T1:3 months after expansion)
- Periodontal health(T0: before expansion)
- Periodontal health(T1:3 months after expansion)
- Soft tissue impaction(T0: before expansion.)
研究者
Hayder Al Naseri
Ph.D. student
University of Baghdad