retainers

n.

（尤指服务多年的）仆人( retainer的名词复数 )；（为保留租房而付的）租房订金；（聘请律师等的）预付费用；牙齿固位体

bearing retainer轴承承托

Clinical experience with direct-bonded labial retainers
Long-term experience with direct-bonded lingual retainers.
Device container assembly with adjustable retainers for a reticle
BLOCK WALL CONSTRUCTION SYSTEM INCLUDING USE OF CLIP RETAINERS
Correcting malaligned mandibular incisors with removable retainers.
Marginal and internal fits of fixed dental prostheses zirconia retainers
Method of stent retention to a delivery catheter balloon-braided retainers
Etched castings: an improved retentive mechanism for resin-bonded retainers.
A 3-year follow-up study of various types of orthodontic canine-to-canine retainers
Stress distribution and abutment tooth mobility of distal‐extension removable partial dentures with different retainers: an in vivo...