Three-dimensional planning of alveolar ridge distraction by means of distraction implants

Abstract

Three-dimensional planning according to a milled model is an indispensable aid to positioning of distraction implants and therefore to directed augmentation of the alveolar ridge. Correct distractor positioning is vital for optimal subsequent prosthetic treatment.

Quantification and visualization of alveolar bone resorption from 3D dental CT images

“…Befu et al [3] proposed a method to obtain clear threedimensional images from noisy dental CT images. Also, head CT is being used in dental implantology and oral and cranio-maxillofacial surgery [4][5][6][7][8][9][10]. Concerning alveolar bone resorption, Li et al [11] detect and evaluate root decay and bone loss (resorption) on 2D dental X-ray images by a level set method and an SVM (support vector machine) classifier.…”

Three-dimensional analysis of alveolar bone resorption by image processing of 3-D dental CT images

“…2 Also, dental CT is being used in oral and maxillofacial surgery. 3,4 However, there have been no reports on methods that estimate the regions of alveolar bone resorption and automatically measure the amount of it in 3-D dental X-ray CT images using three-dimensional image processing techniques.…”

Combined Orthodontic Temporary Anchorage Devices and Surgical Management of the Alveolar Ridge Augmentation Using Distraction Osteogenesis

“…Because many alveolar defects involve the loss of bone and attached gingiva, distraction osteogenesis may be a superior predictable treatment option for increasing bone height before implant placement. 4,[17][18][19][20][21][22][23][24][25][26] Several different types of distraction devices have been discussed in the literature, [27][28][29][30] but regardless of the type used, 3-dimensional vector controls are always essential for proper reconstruction during the distraction process. Therefore, it is important to determine the correct distraction vector with a precise evaluation of the planned movement and to maintain the desired direction of the vector during the alveolar distraction process.…”

“…Therefore, it is important to determine the correct distraction vector with a precise evaluation of the planned movement and to maintain the desired direction of the vector during the alveolar distraction process. 19,20 Because the maxillary and mandibular alveolar ridges are curved, particularly in the canine area, the distractor is first angulated accordingly. However, in this position, the accurate guidance of the vector's direction is limited and most often results in a straight and flat alveolar ridge structure, rather than a curved structure.…”

“…They require only minor surgery for insertion, allow immediate loading, and are considered inexpensive. [18][19][20][21][22] Because they are anchorage devices, they can be inserted into a transported bone segment whereby the distraction vector can be controlled by the application of orthodontic forces in different dimensions and directions. [31][32][33][34][35] In this article, the authors present a new technique involving the combined orthodontic and surgical management of vertical alveolar ridge augmentation using distraction osteogenesis and TADs for better positioning of the transported bone segment during the consolidation period as required for future dental restoration.…”