St. Apollonia

An ancient church in Rome, which is frequented with great devotion, bears the name of St. Apollonia: under whose patronage we meet with churches and altars in most parts of the Western church.

The Lives of the Fathers, Martyrs, and Principal Saints January, February, March Alban Butler

St. Petronilla, St. Apollonia, and St. Lucy, against the toothache.

Three Thousand Years of Mental Healing George Barton Cutten

As the relics of this saint were capable of curing St. Anthony's fire, so were those of St. Lucia useful in removing toothache, and those of St. Apollonia were infallible remedies in cases of hydrophobia.

The Mysteries of All Nations Rise and Progress of Superstition, Laws Against and Trials of Witches, Ancient and Modern Delusions Together With Strange Customs, Fables, and Tales James Grant

St. Apollonia; in his eyes she was as much a martyr as the others, and as such she was revered in the Alexandrian Church.

The Catholic Encyclopedia, Volume 1: Aachen-Assize 1840-1916 1913